Easton Sports headset Adjuster BearTrap User Manual

Easton  
BearTrap  
Headset adjuster  
ongratulations on your purchase of an Easton BearTrap  
• Make sure that the top of the steerer tube is between 1 mm and 3  
mm below the top of the stem.  
WARNING!  
Headset Adjuster. To ensure the best performance and longest  
Riding a bicycle with a steerer tube that is recessed more than  
3 mm below the top of the stem’s steerer clamp can result in  
component failure (Figure 1).  
C
service life from your Headset Adjuster, please read and  
WARNING!  
carefully follow these installation instructions.  
Riding a bicycle with a steerer tube that is recessed more than  
3 mm below the top of the stem’s steerer clamp can result in  
component failure.  
CAUTION!  
• Reassemble the fork, headset, BearTrap and stem as above. Turn  
the BearTrap so that the adjuster screw is forward and its head  
faces to the right. This orientation will keep the BearTrap out of  
harm’s way and will facilitate easy adjustments.  
All Easton products should be installed by a qualified bicycle  
mechanic using appropriate professional tools. Easton assumes no  
liability for products which are improperly installed.  
• Using a 2.5 mm hex-wrench, turn the BearTrap adjuster screw  
counter-clockwise until the headset is properly adjusted.  
WARNING!  
• Tighten the stem’s steerer clamp bolts to the torque specified by  
the stem manufacturer.  
• Install the top cap on the stem.  
Failure to follow these instructions can result in component fail-  
ure. Component failure can lead to loss of control of the bicycle  
and result in serious personal injury or death.  
• Double check all controls and cables to make sure brakes and  
shifters are functioning and adjusted correctly. Do not ride your  
bike until you have checked all adjustments.  
• Double check that the top of the steerer tube is between 1 mm  
and 3 mm below the top of the stem.  
1. Before you start  
• Using a 2.5 mm hex-wrench, turn the BearTrap adjuster screw  
counter-clockwise until the headset is properly adjusted.  
• Make sure that your fork steerer is long enough to accommodate  
the BearTrap. The BearTrap is 8 mm tall and can be adjusted to  
almost 9 mm tall. If you do not have a total of at least 8 mm of  
spacers on the steerer tube, your steerer is too short to accommo-  
date the BearTrap. You will need to replace the fork.  
• After taking a test ride, recheck the tightness of all fasteners and  
make any necessary adjustments.  
• Install the top cap on the stem.  
3. Installing the BearTrap on a new fork  
• Complete installation and adjustment of handlebars,  
control levers, etc.  
CAUTION!  
Do not cut the fork steerer until you are certain of the length it  
needs to be.  
WARNING!  
• Double check all controls and cables to make sure brakes and  
shifters are functioning and adjusted correctly. Do not ride your  
bike until you have checked all adjustments.  
Riding a bicycle with a steerer tube that is recessed more than  
3 mm below the top of the stem’s steerer clamp can result in  
component failure (Figure 1).  
• Prepare the fork and headset according to their manufacturers’  
instructions.  
• After taking a test ride, recheck the tightness of all fasteners and  
make any necessary adjustments.  
• Support the bike in a good quality work stand before starting  
disassembly. Although it may not be necessary in every case, we  
recommend that you remove the front wheel of the bike.  
• Once the headset is installed in the frame, insert the fork and,  
using rubber bands or a strap, secure the fork in the frame.  
4. Maintenance  
• Before every ride, check headset adjustment and adjust the  
BearTrap adjuster screw as needed.  
• Make sure that the BearTrap is at its lowest adjustment by turning  
the adjuster screw clockwise until it stops; then slip the BearTrap  
over the steerer and seat it firmly against the headset.  
2. Replacing spacers with an BearTrap  
• Remove the headset top cap and loosen the stem bolts.  
• Periodically recheck the tightness of all fasteners and make any  
necessary adjustments.  
• While holding the fork in place in the head tube, lift the stem off  
the fork steerer tube and support it off to the front or side of the  
bike. You should not need to remove any cables or other handlebar  
mounted controls.  
• Put the stem on the steerer and seat it firmly against the BearTrap.  
Tighten the stem’s steerer clamp bolts just enough to keep every-  
thing in place.  
WARRANTY  
This EASTON product is warranted to be free of defects in materials  
and workmanship for five (5) years from date of purchase. Warranty  
is for the original owner only and proof of purchase is required. This  
warranty is in lieu of all other warranties. ANY IMPLIED WARRANTIES  
OF FITNESS FOR A PARTICULAR PURPOSE OR WARRANTIES  
OF MERCHANTABILITY ARE LIMITED TO THE DURATION OF THE  
EXPRESSED WARRANTY. Depending on individual state laws, the  
above exclusion may not apply to you. This warranty gives you spe-  
cific rights. You may have other legal rights depending on the state  
in which you reside.  
• Check the stem height to make sure it is where you want it. Adjust  
by adding spacers if necessary.  
• With rubber bands or a strap, secure the fork so that it does not  
fall out of the frame.  
• Clearly mark the steerer along the top of the stem; then disas-  
semble and remove the fork.  
• Make sure that the BearTrap is at its lowest adjustment by turning  
the adjuster screw clockwise until it stops.  
• Cut the fork steerer tube so that its top will be exactly 3 mm below  
the top of the stem and the cut is absolutely square to the steerer.  
We strongly recommend using professional steerer cutting tools.  
• Remove 8 mm of spacers and replace them with the BearTrap.  
Install the BearTrap with the adjuster screw forward and its head  
facing to the right. This orientation will keep the BearTrap out of  
harm’s way and will facilitate easy adjustments.  
Please consult the Contact Us page of the Easton web site <www.  
eastonbike.com> for warranty contact information. Select U.S.  
Dealers or International Distributors depending on your location.  
• Pushing the fork up into the frame with one hand, reinstall the  
stem; seat it firmly against the BearTrap and any spacers; check  
to make sure the headset is in place; and tighten the steerer  
clamp bolts to the torque specified by the stem manufacturer.  
BEFORE  
AFTER  
2
Headset cap screw  
1
1.0 –3.0 mm  
Headset cap  
Headset cap  
BearTrap (shown here  
with spacer)  
Existing spacers  
Fork steerer  
Headset  
Fork steerer  
Headset  
2.5 mm  
hex  

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