Stamina Products Bicycle 15 4550 User Manual

Owner's  
Manual  
WARNING  
Exercise can present a health  
risk. Consult a physician  
before beginning any exercise  
program with this equipment.  
If you feel faint or dizzy,  
immediately discontinue use  
of this equipment. Serious  
bodily injury can occur if this  
equipment is not assembled  
and used correctly. Serious  
bodily injury can also occur if  
all instructions are not followed.  
Keep others and pets away  
from equipment when in use.  
Always make sure all bolts and  
nuts are tightened prior to  
each use. Follow all safety  
instructions in this manual.  
When calling for parts or  
service, please specify the  
following number.  
Model#: 15-4550  
STAMINA PRODUCTS  
MADE IN CHINA  
CAUTION:  
Weight on this product should not exceed 300 lbs.  
Product May Vary Slightly  
From Pictured.  
This Product is Produced Exclusively by  
2040 N. Alliance, Springfield, MO 65803  
Customer Service  
1 (800) 375-7520  
2008, 08  
2008 Stamina Products, Inc.  
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CALL US FIRST  
Customer Service  
1(800)375-7520  
THANK YOU FOR PURCHASING THE  
Magnetic Fusion 4550 Bike  
To help you get started, we have pre-assembled most of your  
Magnetic Fusion 4550 Bike at the factory with the exception  
of those few parts left unassembled for shipping purposes.  
Simply follow the few assembly instructions set forth in this manual.  
With regular workouts, you will be getting your body into shape  
and be on your way to achieving a happier and healthier lifestyle.  
Should you have any questions,  
please call our Customer Service Department toll-free number,  
1 (800) 375-7520  
Monday - Thursday, 7:30 A.M. - 5:00 P.M., Central Time.  
Friday, 8:00 A.M. - 3:00 P.M., Central Time.  
TELEPHONE  
CUSTOMER SERVICE  
Tel: 1 (800) 375-7520  
FAX  
ONLINE  
CUSTOMER SERVICE  
MAIL  
CUSTOMER SERVICE  
Fax: (417) 889-8064  
STAMINA PRODUCTS, INC.  
ATTN: Customer Service  
P.O. Box 1071  
Springfield, MO. 65801-1071  
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BEFORE YOU BEGIN  
Thank you for choosing the Magnetic Fusion 4550  
Although Stamina constructs its products with the  
Bike. We take great pride in producing this quality finest materials and uses the highest standards of  
product and hope it will provide many hours of quality manufacturing and quality control, there can  
exercise to make you feel better, look better, and sometimes be missing parts or incorrectly sized  
enjoy life to its fullest.  
parts. If you have any questions or problems with  
It's a proven fact that a regular exercise program the parts included with your Magnetic Fusion 4550  
can improve your physical and mental health. Too Bike, please do not return the product. Contact us  
often, our busy lifestyles limit our time and opportunity FIRST!  
to exercise. The Magnetic Fusion 4550 Bike  
If a part is missing or defective, please call us toll  
provides a convenient and simple method to begin free at 1-800-375-7520 (in the U.S.). Our Customer  
your assault on getting your body in shape and Service Staff is available to assist you from 7:30A.M.  
achieving a happier and healthier lifestyle.  
to 5:00 P.M. (Central Time) Monday through  
Before reading further, please review the drawing Thursday and 8:00 A.M. to 3:00 P.M. (Central Time)  
below and familiarize yourself with the parts that are on Friday.  
labeled.  
If you would like to contact us online, go to our  
Read this manual carefully before using the website at www.staminaproducts.com and access the  
Magnetic Fusion 4550 Bike.  
Customer Service section.  
Be sure to have the name and model number of  
the product available when you contact us.  
Computer  
Left Pedal  
Strap  
Computer Post  
Warning Label  
Pulse Sensor  
Back Cushion  
Seat Frame  
Seat  
Left  
Pedal  
Right Cover  
Front Stabilizer  
Pulse Coil Wire  
Handrail  
Wheel  
Right Pedal  
Crank  
Rear Frame  
Adapter  
Front Frame  
Rear Stabilizer  
Leveling Cap  
THE FOLLOWING TOOLS ARE INCLUDED FOR ASSEMBLY :  
Wrench  
Allen Wrench (6mm)  
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EQUIPMENT WARNING & NOTICE LABELS  
This chart is provided to help identify the warning & notice labels on the Magnetic Fusion 4550 Bike.  
Please take a moment to familiarize yourself with all of the warning & notice labels.  
Label is larger than actual size  
W1  
WARNING LABEL(89)  
5
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HARDWARE IDENTIFICATION CHART  
This chart is provided to help identify the hardware used in the assembly process. Place the washers or the  
ends of the bolts or screws on the circles to check for the correct diameter. Use the small scale to check the  
length of the bolts and screws.  
3/16"  
1/4"  
1
5/16"  
3/8"  
1/2  
1/2"  
INCHES  
0
0
1/2  
1/2  
2
3
1/2  
4
1/2  
5
1/2  
6
in.  
mm.  
10 20 30 40 50 60 70 80 90 100 110 120 130 140 150  
length  
MILLIMETERS  
6
8
10  
12  
NOTICE: The length of all bolts and screws, except those with flat heads,  
is measured from below the head to the end of the bolt or screw.  
Flat head bolts and screws are measured from the top of the  
head to the end of the bolt or screw.  
length  
After unpacking the unit, open the hardware bag and make sure that you have all the following items.  
Some hardware may be already attached to the part.  
Part No. and Description  
Qty  
56  
57  
Carriage Bolt (M8 x 1.25 x 45mm)  
Carriage Bolt (M8 x 1.25 x 75mm)  
2
4
58  
59  
Bolt, Button Head (M8 x 1.25 x 40mm)  
Bolt, Button Head (M10 x 1.5 x 15mm)  
2
6
60  
61  
64  
72  
Bolt, Hex Head (M8 x 1.25 x 80mm)  
Bolt, Round Head (M6 x 1 x 15mm)  
Screw, Round Head (M5 x 0.8 x 12mm)  
Nut (M8 x 1.25)  
1
7
4
1
75  
Acorn Nut (M8 x 1.25)  
6
76  
77  
78  
Arc Washer (M6)  
Arc Washer (M8)  
Arc Washer (M10)  
3
6
4
79  
80  
81  
Lock Washer (M6)  
Lock Washer (M8)  
Lock Washer (M10)  
3
6
6
83  
Washer (M10)  
6
2
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ASSEMBLY INSTRUCTIONS  
Place all parts from the box in a cleared area and position them on the floor in front of you. Remove all  
packing materials from your area and place them back into the box. Do not dispose of the packing materials  
until assembly is completed. Read each step carefully before beginning. If you are missing a part please call  
our toll-free number for assistance 1-800-375-7520 or e-mail us at [email protected].  
STEP 1  
Attach the FRONT STABILIZER(2), the short one with the WHEELS(52), to the front of the FRONT FRAME(1)  
with CARRIAGE BOLTS(M8x1.25x75mm)(57), ARC WASHERS(M8)(77), LOCK WASHERS(M8)(80), and  
ACORN NUTS(M8x1.25)(75).  
STEP 2  
Attach the REAR STABILIZER(4), the one with the LEVELING CAPS(53), to the REAR FRAME(3) with  
CARRIAGE BOLTS(M8x1.25x75mm)(57), ARC WASHERS(M8)(77), LOCK WASHERS(M8)(80), and  
ACORN NUTS(M8x1.25)(75).  
STEP 3  
Screw the STAND(54) all the way up into the bottom of the FRONT FRAME(1). Connect the PULSE PLUG  
WIRE(39) to the PULSE EXTENSION WIRE(40). Insert the REAR FRAME(3) into the FRONT FRAME(1)  
and secure with BUTTON HEAD BOLTS(M10x1.5x15mm)(59), ARC WASHERS(M10)(78), WASHERS  
(M10)(83), and LOCK WASHERS(M10)(81).  
NOTE: See page 12 for detailed leveling instructions to prevent rocking.  
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ASSEMBLY INSTRUCTIONS  
B.  
A.  
(Assembled  
at the factory)  
NOTE: Be careful not to damage the PULSE SENSOR WIRES(44) when attaching the HANDRAIL(6) and  
the SEAT FRAME(5).  
STEP 4  
Refer to illustration A. Attach the HANDRAIL(6) to the SEAT FRAME(5) with CARRIAGE BOLTS  
(M8x1.25x45mm)(56), ARC WASHERS(M8)(77), LOCK WASHERS(M8)(80), and ACORN NUTS(M8x1.25)  
(75).  
STEP 5  
Refer to illustration B. Slide the SEAT FRAME(5) onto the REAR FRAME(3) and lock in position with the  
ADJUSTMENT KNOB(50). Attach the STOPPERS(51) to the top end of the REAR FRAME(3) with HEX  
BOLT(M8x1.25x80mm)(60) and NUT(M8x1.25)(72). Also, please verify that the other STOPPERS(51) are  
assembled at the factory.  
8
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ASSEMBLY INSTRUCTIONS  
Socket of  
Pulse Extension  
Wire(40)  
STEP 6  
Refer to the inset drawing. Plug the PULSE COIL WIRE(42) into the SOCKET of the PULSE EXTENSION  
WIRE(40) located on the REAR FRAME(3). Clip the GROMMET PLUGS(43) onto both ends of the PULSE  
COIL WIRE(42). Connect both ends of the PULSE COIL WIRE(42) to the PULSE SENSOR WIRES(44).  
Push the plugs and excess wires back into the HANDRAIL(6) and secure with the GROMMET PLUGS(43).  
STEP 7  
Attach the SEAT(47) to the SEAT FRAME(5) with ROUND HEAD BOLTS(M6x1x15mm)(61). Attach the  
BACK CUSHION(48) to the SEAT FRAME(5) with BUTTON HEAD BOLTS(M8x1.25x40mm)(58).  
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ASSEMBLY INSTRUCTIONS  
STEP 8  
NOTE: The RIGHT PEDAL(37) has R stamped on the end of the pedal shaft. The RIGHT PEDAL(37) has  
right hand threads and is tightened by turning clockwise. The LEFT PEDAL(35) has L stamped on  
the end of the pedal shaft. The LEFT PEDAL(35) has left hand threads and is tightened by turning  
counterclockwise.  
Thread the RIGHT PEDAL(37) into the right side of the CRANK(7) as shown. Tighten the pedal securely.  
Select the RIGHT PEDAL STRAP(38) which has R marked on the bottom side of the strap. Snap the two  
hole end to the inside edge of the RIGHT PEDAL(37). Snap the other end to the outside edge of the RIGHT  
PEDAL(37) with the R mark on the bottom of the RIGHT PEDAL STRAP(38). Select adjustment holes  
which allow your foot to be easily removed from the pedals.  
Use the same procedure to attach the LEFT PEDAL(35) to the left side of the CRANK(7) and snap the  
LEFT PEDAL STRAP(36) to the LEFT PEDAL(35).  
10  
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ASSEMBLY INSTRUCTIONS  
Socket of  
Power  
Wire(86)  
STEP 9  
Run the EXTENSION WIRE on the COMPUTER(27) through the COMPUTER POST(26). Attach the  
COMPUTER(27) to the COMPUTER POST(26) with ROUND HEAD SCREWS(M5x0.8x12mm)(64).  
STEP 10  
Plug the MOTOR CONTROL WIRE(28) and PULSE PLUG WIRE(39) to the EXTENSION WIRE on the  
COMPUTER(27). Insert the COMPUTER POST(26) onto the FRONT FRAME(1) and secure with ROUND  
HEAD BOLTS(M6x1x15mm)(61), LOCK WASHERS(M6)(79), and ARC WASHERS(M6)(76).  
NOTE: Be careful not to damage the wires when attaching the COMPUTER(27).  
STEP 11  
Refer to the inset drawing. Plug the ADAPTER(88) into the SOCKET of the POWER WIRE(86) located on  
the front of the bike. Plug the ADAPTER(88) into an electrical outlet.  
11  
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SET UP INSTRUCTIONS  
Place the Magnetic Fusion 4550 Bike in the area where it will be used. It is recommended that the Magnetic  
Fusion 4550 Bike be placed on an equipment mat. The Magnetic Fusion 4550 Bike is approximately 57 3/4  
inches long x 24 3/8 inches wide x 45 1/8 inches tall (max.). (These dimensions may vary up to one inch.)  
An area 4 feet wide x 7 feet long is required for safe operation of the Magnetic Fusion 4550 Bike. Make  
sure that adequate space is available for access to and passage around the Magnetic Fusion 4550 Bike.  
LEVELING: To level the Magnetic Fusion 4550 Bike, first screw the STAND(54) located in the middle of  
the FRONT FRAME(1) all the way up into the FRONT FRAME(1) so that it is not touching the  
floor. Adjust the two LEVELING CAPS(53) on the REAR STABILIZER(4). When the LEVELING  
CAPS(53) are adjusted and the Magnetic Fusion 4550 Bike is stable, rotate the STAND(54)  
to make it contact with the floor.  
While you are adjusting the LEVELING CAPS(53) the STAND(54) must not be in contact with  
the floor. Only after the Magnetic Fusion 4550 Bike has been stabilized with the LEVELING  
CAPS(53) will you position the STAND(54) so it is in contact with the floor to provide extra  
stability for the frame.  
MOVING: The Magnetic Fusion 4550 Bike has a pair of WHEELS(52) on the FRONT STABILIZER (2).  
Lift up from REAR STABILIZER(4) to move the Magnetic Fusion 4550 Bike.  
EQUIPMENT MAT (not included)  
FUNCTION INSPECTION:  
Visually inspect the Magnetic Fusion 4550 Bike to verify that assembly is as shown in the above illustration.  
Check the function of the Magnetic Fusion 4550 Bike by turning the crank slowly through one complete  
revolution to verify that the drive train functions properly. Use the UP and DOWN buttons on the COMPUTER  
(27) to select a program and verify that the Magnetic System provides different tensions. Refer to the  
COMPUTER INSTRUCTIONS on pages 14 to 17.  
CAUTION: Locate and read the WARNING LABEL(89) on the Magnetic Fusion 4550 Bike. Make sure  
that all users read the WARNING LABEL(89).  
12  
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OPERATIONAL INSTRUCTIONS  
SEAT ADJUSTMENT  
Proper seat adjustment is important. There are twelve adjustment holes in the REAR FRAME(3). These  
adjustment holes allow users to adjust the position of the seat for efficient exercise.  
1. Rotate the ADJUSTMENT KNOB(50) counterclockwise until the pin releases when the knob is pulled.  
Pull the ADJUSTMENT KNOB(50) and slide the SEAT FRAME(5) up or down to desired position. Lock  
the SEAT FRAME(5) in position by inserting the pin of the ADJUSTMENT KNOB(50) into one of the  
adjustment holes in the REAR FRAME(3), then rotate the ADJUSTMENT KNOB(50) clockwise to lock  
the SEAT FRAME(5) securely.  
2. Sit on the seat and place your feet on the pedals. You should be able to move through a complete pedal  
stroke without locking your knees or shifting your hips on the seat. The seat is too close to the pedals if  
you have more than a slight bend in your knees at the bottom of the pedal stroke. The seat is too far from  
the pedals if you have to completely straighten your knees at the bottom of the pedal stroke.  
CAUTION:  
1.  
Do not attempt to adjust the seat while you are on the Magnetic Fusion 4550 Bike.  
2.  
Always tighten the ADJUSTMENT KNOB(50) after adjusting the seat to a new position.  
LOAD ADJUSTMENT  
The load level of Magnetic Fusion 4550 Bike can be changed at any time during your workout. Use the UP  
and DOWN buttons on the COMPUTER(27) to increase or decrease your intensity level. Press the UP  
button to increase the load level. Press the DOWN button to decrease the load level.  
13  
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COMPUTER INSTRUCTIONS  
Your Magnetic Fusion 4550 Bike utilizes a magnetic braking system to create resistance for your workout.  
You control the amount and pattern of this resistance by means of the advanced computer console mounted  
at the center of the handlebar. We recommend that you use this computer console to vary your workout  
from session to session and note your progress toward your fitness goals. When used regularly in this way,  
the computer console can become an important source of motivation and interest which will help keep you  
on track.  
BUTTONS:  
/UP: Press to select programs P1 to P12. Press to increase the values of the setting mode.  
Press to increase the level of the workload when running a program.  
/DOWN: Press to select programs P1 to P12. Press to decrease the values of the setting mode.  
Press to decrease the level of the workload when running a program.  
SET: Press to confirm the selected programs P1 to P12. Press the SET button to select the  
values of the various settings.  
START/STOP: Press to start the selected program. Press the START/STOP button to stop the program.  
You can press the START / STOP button again to continue to run the current program, or  
use "  
/
" buttons to select a new program.  
MODE: Press to select the function value displays of RPM and WATT, or SPEED and CALORIES.  
RESET: Press to reset all of the function values to zero.  
FAN: Press to turn on or off, and to change the speed of the fan on the COMPUTER(27) in  
sequence as follows: Low Speed  
High Speed  
OFF  
14  
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COMPUTER INSTRUCTIONS  
PROGRAM NUMBER  
HEART RATE CONTROL PROGRAMS  
CALORIE/WATT  
TIME  
SPEED / RPM  
DISTANCE  
AGE /TARGET H.R.  
HEART RATE  
HEART SYMBOL  
PROGRAM PROFILE  
LCD DISPLAY INSTRUCTIONS  
PROGRAM: Displays programs for selection during setup, from P1 to P12. Displays the selected  
program during exercise.  
TIME: Displays the time. Counts upward from one second to 99:59 minutes. Counts down  
from preset value.  
SPEED/RPM: Displays the current speed from zero to 99.9 miles per hour, or RPM from zero to 999  
RPM. Press the MODE button to select the display of SPEED or RPM.  
DISTANCE: Displays the distance from zero to 999.9 miles.  
CALORIE/WATT: Displays the calorie consumption from zero to 999.9 Kcal, or WATT from zero to 999.9  
WATT. Press the MODE button to select the display of CAL or WATT.  
NOTE: The calorie and watt readouts are an estimate for an average user. It should be  
used only as a comparison between workouts on this unit.  
AGE/  
When you select the Heart Rate Control Programs, P11 or P12, you must input your  
TARGET H.R.:  
age. This value affects only the Heart Rate Control Programs. Press the SET button  
until the AGE/TARGET H.R. display is flashing and use the "  
/
" buttons to input  
your age.  
When the Heart Rate Control Programs, P11 or P12, are selected, the target heart rate  
value will be shown during exercise.  
Displays heart rate in beats per minute from 40 to 240 beats per minute.  
HEART RATE:  
To display the heart rate, you must grasp the Pulse Sensors on both sides of the handrail,  
one in each hand. The heart symbol " " will begin flashing when the computer senses  
your heart rate. Your heart rate will be displayed approximately five (5) seconds after the  
heart icon is displayed. If you do not place your hands correctly and 60 seconds passes  
without a heart rate reading, the computer will turn off the heart rate circuit. If this occurs,  
press the MODE button to restart the heart rate circuit, place your hands back on the  
Pulse Sensors correctly, and the heart rate readout will appear.  
15  
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COMPUTER INSTRUCTIONS  
PROGRAM DESCRIPTIONS  
This computer contains 12 different programs. You can preset the program time and the computer will  
divide the time chosen into 10 intervals. If you do not set the program time in advance, the computer will  
default to a 30 minute workout time.  
(P1) MANUAL  
MANUAL PROGRAM: P1 is a manual program allowing the user to have  
full manual control of the workload. Use the " " button to increase the  
load. Use the " " button to decrease the load.  
PRESET PROGRAMS: P2 to P10 are preset automatic programs. The profiles are shown on the face of  
the computer. Use the " " button to increase the load level of the program. Use the " " button to decrease  
the load level of the program.  
(P2) ROLLING  
(P3) VALLEY  
(P4) FAT BURN  
(P7) RANDOM  
(P10) MOUNTAIN  
(P5) RAMP  
(P6) FITNESS TEST  
(P8) PLATEAU  
(P9) INTERVALS  
16  
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COMPUTER INSTRUCTIONS  
HEART RATE CONTROL PROGRAMS: P11 and P12 are preset automatic Heart Rate Control Programs.  
You must input your age and always hold the pulse sensors on the HANDRAIL(6) with both hands when  
using the Heart Rate Control Programs. P11 is programmed to use 60% of your maximum heart rate as  
your target heart rate zone workout goal, and P12 is programmed to use 85% of your maximum heart rate  
as your target heart rate zone workout goal; therefore, P11 will be a less intense workout than P12.  
(P11) 60% MAX H.R.  
(P12) 85% MAX H.R.  
As you exercise, the program will monitor your pulse  
and adjust the workload automatically to keep you  
working within a zone that is plus or minus 5 beats per  
minute of your target heart rate. Your age and the  
program you selected will determine your heart rate  
zone.  
For example, if your age is 30, your maximum heart  
rate is 190. If you selected P11, your workout will keep  
you within a target heart rate zone that is plus or minus  
5 beats per minute of 60% of your maximum heart  
rate: 190 x 60% = 114 so your heart rate zone is 109  
to 119. The program will monitor your pulse and adjust  
the workload automatically to keep your pulse within  
the heart rate zone during your workout.  
COMPUTER OPERATION  
STEP 1: POWER ON  
Pedaling or press any button.  
STEP 2 : SELECT PROGRAM  
Press the "  
/
" buttons until the desired program is displayed.  
STEP 3: SET THE PROGRAM TIME (AND INPUT AGE FOR HEART RATE CONTROL PROGRAMS)  
Press the SET button, the TIME function mode will appear with the display flashing "0:00". Press the SET  
button again to pass setting the program time. Or use the "  
/
" buttons to set the program time, from 5  
minutes up to 99 minutes with 1 minute increments. Press the SET button to confirm the setting. Press the  
START/STOP button to start the program.  
When you select the Heart Rate Control Programs, P11 or P12, you must input your age. Press the SET  
button until the AGE/TARGET H.R. display is flashing and use the "  
/
" buttons to input your age. Press  
the SET button to confirm the setting. Press the START/STOP button to start the program.  
1. The program will not start until you press the START/STOP button.  
NOTE:  
2. If you don't set the program time, the computer will count up from one second up to 99:59  
minutes, and use the default workout time, 30 minutes, to cycle run the program profile.  
3. The computer will count down from the program time that you set. When the timer counts down  
to zero, the computer will alert you with an audible alarm that your workout is complete. You can  
press any button to stop the audible alarm.  
17  
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COMPUTER INSTRUCTIONS  
OPERATION DESCRIPTIONS  
1. To stop a running program, press the START / STOP button. In this mode, you can press the  
START/STOP button again to continue to run the current program. Or, you can use the "  
/
" buttons  
to select a new program. The function values of DISTANCE and CALORIE will continue to accumulate.  
2. When you complete a program, press the START /STOP button to stop the program. You can use the  
"
/
" buttons to select a new program. The function values of DISTANCE and CALORIE will continue  
to accumulate. This will allow you to run several programs and still know the total DISTANCE and CALORIE  
during the workout.  
3. If you want to restart with a new program, press the RESET button to reset all of the function values to  
zero. Use the "  
/
" buttons to select a new program.  
4. The computer will shut off automatically after 4 minutes of inactivity, and the function values, DISTANCE  
and CALORIE, will be kept.  
POWER SOURCE:  
The computer uses the ADAPTER(88) as a power source. Use the Magnetic Fusion 4550 Bike with the  
adapter plugged into an electrical outlet.  
NOTE: Batteries are not required in the compartment on the back of the COMPUTER(27) of the Magnetic  
Fusion 4550 Bike.  
STORAGE  
1. To store the Magnetic Fusion 4550 Bike, simply keep it in a clean dry place.  
2. Adjust the SEAT FRAME(5) to the lowest position. The Magnetic Fusion 4550 Bike is approximately  
57 3/4 inches long x 24 3/8 inches wide x 38 5/8 inches tall (max.). These dimensions will vary. Please  
measure your Magnetic Fusion 4550 Bike if exact dimensions are needed.  
3. To move the Magnetic Fusion 4550 Bike, lift the REAR STABILIZER(4) and the bike will roll on the  
WHEELS(52) on the FRONT STABILIZER(2).  
MAINTENANCE  
The safety and integrity designed into the Magnetic Fusion 4550 Bike can only be maintained when the  
Magnetic Fusion 4550 Bike is regularly examined for damage and wear. Special attention should be given  
to the following:  
1. Use the UP and DOWN buttons on the COMPUTER(27) to select a program and verify that the Magnetic  
System provides different tensions. The Magnetic System should provide many years of use.  
2. Use a wrench to verify that the pedals are tightened securely. If tightening is required, remember that the  
left pedal has left hand threads and is tightened by turning counterclockwise. The right pedal has right  
hand threads that are tightened by turning clockwise.  
3. Verify that the WARNING LABEL(89) is in place and easy to read. Call Stamina Products immediately at  
1-800-375-7520 for a replacement WARNING LABEL(89) if it is missing or damaged.  
4. It is the sole responsibility of the user/owner to ensure that regular maintenance is performed.  
5. Worn or damaged components shall be replaced immediately or the Magnetic Fusion 4550 Bike removed  
from service until repair is made.  
6. Only Stamina Products supplied components shall be used to maintain/repair the Magnetic Fusion  
4550 Bike.  
7. Keep your Magnetic Fusion 4550 Bike clean by wiping with an absorbent cloth after use.  
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CONDITIONING GUIDELINES  
How you begin your exercise program depends on your physical condition. If you have been inactive for  
several years or are severely overweight, start slowly and increase your workout time gradually. Increase  
your workout intensity gradually by monitoring your heart rate while you exercise.  
Remember to follow these essentials:  
Have your doctor review your training and diet programs.  
Begin your training program slowly with realistic goals that have been set by you and your physician.  
Warm up before you exercise and cool down after you work out.  
Take your pulse periodically during your workout and strive to stay within a range of 60% (lower  
intensity) to 90% (higher intensity) of your maximum heart rate zone. Start at the lower intensity, and  
build up to higher intensity as you become more aerobically fit.  
If you feel dizzy or lightheaded you should slow down or stop exercising.  
Initially you may only be able to exercise within your target zone for a few minutes; however, your aerobic  
capacity will improve over the next six to eight weeks. It is important to pace yourself while you exercise so  
you don't tire too quickly.  
To determine if you are working out at the correct intensity, use a heart rate monitor or use the table below.  
For effective aerobic exercise, your heart rate should be maintained at a level between 60% and 90% of  
your maximum heart rate. If just starting an exercise program, work out at the low end of your target heart  
rate zone. As your aerobic capacity improves, gradually increase the intensity of your workout by increasing  
your heart rate.  
Measure your heart rate periodically during your workout by stopping the  
exercise but continuing to move your legs or walk around. Place two or three  
fingers on your wrist and take a six second heartbeat count. Multiply the results  
by ten to find your heart rate. For example, if your six second heartbeat count  
is 14, your heart rate is 140 beats per minute. A six second count is used  
wrist pulse  
because your heart rate will drop rapidly when you stop exercising. Adjust the  
intensity of your exercise until your heart rate is at the proper level.  
Target Heart Rate Zone Estimated by Age*  
Target Heart Rate Zone  
(55%-90% of Maximum Heart Rate)  
Average Maximum  
Heart Rate 100%  
Age  
20 years  
25 years  
30 years  
35 years  
40 years  
45 years  
50 years  
55 years  
60 years  
65 years  
70 years  
110-180 beats per minute  
107-175 beats per minute  
105-171 beats per minute  
102-166 beats per minute  
99-162 beats per minute  
97-157 beats per minute  
94-153 beats per minute  
91-148 beats per minute  
88-144 beats per minute  
85-139 beats per minute  
83-135 beats per minute  
200 beats per minute  
195 beats per minute  
190 beats per minute  
185 beats per minute  
180 beats per minute  
175 beats per minute  
170 beats per minute  
165 beats per minute  
160 beats per minute  
155 beats per minute  
150 beats per minute  
*For cardiorespiratory training benefits, theAmerican College of Sports Medicine recommends working  
out within a heart rate range of 55% to 90% of maximum heart rate. To predict the maximum heart  
rate, the following formula was used: 220 - Age = predicted maximum heart rate  
19  
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WARM-UP and COOL-DOWN  
Warm-Up The purpose of warming up is to prepare your body for exercise and to minimize injuries.  
Warm up for two to five minutes before strength training or aerobic exercising. Perform activities that raise  
your heart rate and warm the working muscles. Activities may include brisk walking, jogging, jumping jacks,  
jump rope, and running in place  
Stretching Stretching while your muscles are warm after a proper warm-up and again after your strength  
or aerobic training session is very important. Muscles stretch more easily at these times because of their  
elevated temperature, which greatly reduces the risk of injury. Stretches should be held for 15 to 30 seconds.  
Do not bounce.  
Suggested Stretching Exercises  
Lower Body Stretch  
Place feet shoulder-width  
apart and lean forward.  
Keep this position for 30  
seconds using the body as a  
natural weight to stretch the  
backs of the legs.  
DO NOT BOUNCE!  
When the pull on the back  
of the legs lessens,  
Floor Stretch  
While sitting on the floor,  
open the legs as wide as  
possible. Stretch the upper  
body toward the knee on the  
right leg by using your arms  
to pull your chest to your  
thighs. Hold this stretch 10  
to 30 seconds.  
DO NOT BOUNCE!  
gradually try a lower  
position.  
Do this stretch 10 times.  
Repeat the stretch with the  
left leg.  
Bent Torso Pulls  
Bent Over Leg Stretch  
Stand with feet shoulder-  
width apart and lean forward  
as illustrated. Using the  
arms, gently pull the upper  
body towards the right leg.  
Let the head hang down.  
DO NOT BOUNCE!  
While sitting on the floor,  
have legs apart, one leg  
straight and one knee bent.  
Pull the chest down to touch  
the thigh on the leg that is  
bent, and twist at the waist.  
Hold this position at least 10  
seconds. Repeat 10 times  
on each side.  
Hold the position a minimum  
of 10 seconds. Repeat  
pulling the upper body to the  
left leg. Do this stretch  
several times slowly.  
Remember to always check with your physician before starting any exercise program.  
Cool-Down The purpose of cooling down is to return the body to its normal, or near normal, resting state  
at the end of each exercise session. A proper cool-down slowly lowers your heart rate and allows blood to  
return to the heart. Your cool-down should include the stretches listed above and should be completed after  
each strength training session.  
20  
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LIMITED WARRANTY  
MODEL 15-4550  
WARRANTY  
Stamina Products, Inc. warrants that this product will be free from defects in materials and workmanship  
under normal use, service and proper operation for a period of 90 days on the parts and three years on the  
frame from the date of the original purchase from an authorized retailer. THIS WARRANTY SHALL NOT  
APPLY TO ANY PRODUCT WHICH HAS BEEN SUBJECT TO COMMERCIAL USE, ABUSE, MISUSE,  
ALTERATION OF ANY TYPE OR CAUSE OR TO ANY DEFECT OR DAMAGE CAUSED BY REPAIR,  
REPLACEMENT, SUBSTITUTION OR USE WITH PARTS OTHER THAN PARTS PROVIDED BY STAMINA  
PRODUCTS, INC. Commercial use includes use of the product in athletic clubs, health clubs, spas,  
gymnasiums, exercise facilities, and other public or semipublic facilities whether or not the product's use is  
in furtherance of a profit making enterprise, and all other use which is not for personal, family, or household  
purposes.  
To implement this limited warranty, send a written notice stating your name, date, and place of purchase and  
a brief description of the defect along with your receipt to Stamina Products, Inc. P.O. Box 1071, Springfield  
Missouri, USA, 65801-1071, or email us at [email protected], or call us at  
1-800-375-7520. If the defect is covered under this limited warranty, you will be requested to return the  
product or part to us for free repair or replacement at our option. NO ACTION FOR BREACH OF THIS  
LIMITED WARRANTY MAY BE COMMENCED MORE THAN ONE (1) YEAR AFTER THE DATE THE  
ALLEGED BREACH WAS OR SHOULD HAVE BEEN DISCOVERED. NO ACTION FOR BREACH OF  
ANY IMPLIED WARRANTY MAY BE COMMENCED MORE THAN ONE (1) YEAR AFTER DELIVERY OF  
THE PRODUCT TO THE PURCHASER. This limited warranty is not transferable. IF ANY PART OF THE  
PRODUCT IS NOT IN COMPLIANCE WITH THIS LIMITED WARRANTY OR ANY IMPLIED WARRANTY,  
THE REMEDY OF REPAIR OR REPLACEMENT IS THE EXCLUSIVE REMEDYAVAILABLE TO YOU. In  
the event that the purchaser makes any claim under this limited warranty or any implied warranty, the  
Warrantor reserves the right to require the product to be returned for inspection, at the purchaser's expense,  
to the Warrantor's premises in Springfield, Missouri. Return of the enclosed warranty registration card is not  
required for warranty coverage, but is merely a way of establishing the date and place of purchase.  
Stamina Products, Inc. SHALL NOT BE LIABLE FOR THE LOSS OF USE OF ANY PRODUCT, LOSS OF  
TIME, INCONVENIENCE, COMMERCIAL LOSS OR ANY OTHER INDIRECT, CONSEQUENTIAL,  
SPECIAL OR INCIDENTALDAMAGESDUE TO BREACH OF THEABOVE WARRANTY ORANY IMPLIED  
WARRANTY.  
This limited warranty is the only written or express warranty given by Stamina Products, Inc. This warranty  
gives you specific legal rights, and you may also have other legal rights which vary from state to state.  
ANY OTHER RIGHT WHICH YOU MAY HAVE, INCLUDING ANY IMPLIED WARRANTY OR  
MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, IS LIMITED INDURATION TO THE  
DURATION OF THIS WARRANTY.  
The laws in some jurisdictions restrict the rights of manufacturers and distributors of consumer goods to  
disclaim or limit implied warranties and consequential and incidental damages with respect thereto. If any  
such law is found to be applicable, the foregoing disclaimers and limitations of and on implied warranties  
and consequential and incidental damages with respect thereto shall be disregarded and shall be deemed  
not to have been made to the extent necessary to comply with such legal restriction.  
21  
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PRODUCT PARTS DRAWING  
FRONT  
BACK  
22  
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PARTS LIST  
PART#  
PART NAME  
QTY  
1
2
3
4
5
6
7
8
Front Frame  
Front Stabilizer  
Rear Frame  
Rear Stabilizer  
Seat Frame  
Handrail  
Crank  
Bearing Housing  
Ball Bearing  
Inside Bearing Collar  
Outside Bearing Collar  
Bearing Washer  
Bearing Snap Washer  
Bearing Nut  
Pulley  
V-Ribbed Belt  
Idler Arm  
1
1
1
1
1
1
1
2
2
1
1
1
1
2
1
1
1
1
1
1
1
2
2
1
1
1
1
1
1
1
1
1
1
2
1
1
1
1
1
1
1
1
2
2
2
2
1
9
10  
11  
12  
13  
14  
15  
16  
17  
18  
19  
20  
21  
22  
23  
24  
25  
26  
27  
28  
29  
30  
31  
32  
33  
34  
35  
36  
37  
38  
39  
40  
41  
42  
43  
44  
45  
46  
47  
Idler Wheel  
Idler Wheel Spacer  
Tension Spring  
Magnetic Unit  
Eyebolt  
Tension Bracket  
Tension Cable  
Motor  
Computer Post  
Computer  
Motor Control Wire  
Sensor Wire  
Magnet  
Mounting Bracket  
Left Cover  
Right Cover  
Cover Cap  
Left Pedal  
Left Pedal Strap  
Right Pedal  
Right Pedal Strap  
Pulse Plug Wire  
Pulse Extension Wire  
Securing Plug  
Pulse Coil Wire  
Grommet Plug  
Pulse Sensor Wire  
Pulse Sensor  
Foam Grip  
Seat  
23  
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PARTS LIST  
PART#  
PART NAME  
QTY  
48  
49  
50  
51  
52  
53  
54  
55  
56  
57  
58  
59  
60  
61  
62  
63  
64  
65  
66  
67  
68  
69  
70  
71  
72  
73  
74  
75  
76  
77  
78  
79  
80  
81  
82  
83  
84  
85  
86  
87  
88  
89  
90  
91  
92  
Back Cushion  
Bushing  
Adjustment Knob  
Stopper  
Wheel  
Leveling Cap  
Stand  
Rectangular Plug (30mm x 60mm)  
Carriage Bolt (M8 x 1.25 x 45mm)  
Carriage Bolt (M8 x 1.25 x 75mm)  
Bolt, Button Head (M8 x 1.25 x 40mm)  
Bolt, Button Head (M10 x 1.5 x 15mm)  
Bolt, Hex Head (M8 x 1.25 x 80mm)  
Bolt, Round Head (M6 x 1 x 15mm)  
Bolt, Flat Head (M8 x 1.25 x 20mm)  
Bolt, Flat Head (M10 x 1.5 x 45mm)  
Screw, Round Head (M5 x 0.8 x 12mm)  
Screw, Round Head (M4 x 15mm)  
Screw, Round Head (M4 x 25mm)  
Screw, Round Head (M5 x 15mm)  
Screw, Big Round Head (M5 x 15mm)  
Thin Nut (3/8" - 26 x 5/32" thick)  
Nut (3/8" - 26 x 9/32" thick)  
Nut (M6 x 1)  
1
2
1
4
2
2
1
3
2
4
2
6
2
7
1
1
4
4
5
4
3
2
2
2
2
1
1
6
3
6
4
3
6
6
1
2
1
2
1
1
1
1
1
1
1
Nut (M8 x 1.25)  
Nylock Nut (M8 x 1.25)  
Nylock Nut (M10 x 1.5 x 9mm thick)  
Acorn Nut (M8 x 1.25)  
Arc Washer (M6)  
Arc Washer (M8)  
Arc Washer (M10)  
Lock Washer (M6)  
Lock Washer (M8)  
Lock Washer (M10)  
Large Washer (ø16.5 x ø32 x 1mm thick)  
Washer (M10)  
Washer (M10 x ø20 x 1mm thick)  
Round Plug (25.4mm)  
Power Wire  
Nut  
Adapter, Output 9VAC, 1 amp  
Warning Label  
Wrench  
Allen Wrench (6mm)  
Manual  
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NOTES  
25  
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FAX/MAIL ORDERING FORM  
Please do not return the product. For your convenience, Stamina's Customer Service Department can be  
reached by email at [email protected] or toll free at 1-800-375-7520 (in the U.S.).  
Should a part be missing or a defective part found, please call us from 7:30 A.M. to 5:00 P.M. Central Time,  
Monday through Thursday and 8:00 A.M. to 3:00 P.M. on Friday or fill out the fax sheet ordering form below  
and fax it to (417)889-8064. Our Customer Service Department will be able to assist you with your problem  
and the part will be mailed directly to your house.  
TELEPHONE  
FAX  
ONLINE  
MAIL  
CUSTOMER SERVICE  
Tel: 1 (800) 375-7520  
CUSTOMER SERVICE  
Fax: (417) 889-8064  
CUSTOMER SERVICE  
STAMINA PRODUCTS, INC.  
ATTN: Customer Service  
P.O. Box 1071  
Springfield, MO. 65801-1071  
Detach and Mail or Fax the Form Below  
Stamina Products, Inc.  
P.O. Box 1071  
Springfield, MO 65801-1071  
Mr./Ms:  
Address:  
City:  
Apt. #:  
Zip Code:  
State:  
IMPORTANT: We must have your phone number in order to process the order!  
Phone #: (  
)
Work Phone #: (  
)
Date Purchased:  
Model #:  
Purchased From:  
IMPORTANT : Before filling out the form below make sure you have the right information.  
Refer to the parts list to make sure you're ordering the right parts!  
PART #  
1
DESCRIPTION  
QUANTITY  
1
EXAMPLE:  
Rear Unit Assembly  
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