Install Handlebar Faceplate; Tighten The Headset; Selecting Elastomers - REDSHIFT SHOCKSTOP SUSPENSION STEM Instructions

WARNING!
The ShockStop MUST BE INSTALLED ON YOUR BIKE WHEN INSTALLING THE PRELOAD
WEDGE BOLT (step 13). This is required so that you can apply downward force to the stem to
slightly compress the elastomers while inserting the preload bolt. Failure to apply downward
force while installing the preload bolt (#7) may cause the bolt to PERMANENTLY DAMAGE the
threaded hole in the steerer tube clamp (#2) rendering the stem UNUSABLE.
Elastomer handle(s)
outside.
Elastomer(s) above
support.
13. SEE WARNING ABOVE! To install the preload wedge (#8), apply downward force to the end of the stem
tube (see left gure below), and align the captured preload bolt (#7) with the threaded hole at the center
of the cross inside the stem tube (#1). Keeping the bolt head as low and centered as possible, begin
turning the preload bolt (#7). If you encounter signi cant resistance in the rst turn or two, unscrew the
bolt and try again, making sure that downward force is being applied to the end of the stem tube.
Push down at the end
of the stem tube
Keep bolt head as low as possible
when engaging the threads
14. Approximately 32 turns are required to fully seat the preload wedge (#8). After about 5 turns, the preload bolt (#7)
will require increasing torque to turn as the elastomers are compressed. Be sure to fully seat the preload wedge (#8)
by applying 2.5 N-m of torque. Over-tightening may damage the preload wedge. If you are riding in very
aggressive conditions (such as gravel or cobblestone), apply non-permanent thread locker (such as blue Loctite) to
the threads of the bolt (#7) to ensure the preload wedge (#8) maintains its position.
INSTALL HANDLEBAR AND FACEPLATE
15. Apply grease to the four faceplate bolts (#6a) and ensure that a lockwasher (#9) is beneath the head of each bolt.
16. Center of the handlebar in the stem and install the stem faceplate (#5) by lightly tightening the four faceplate
bolts (#6a).
17. Ensure that the gap between the faceplate (#5) and the stem tube (#1) is roughly equal above and below the
handlebar.
18. Rotate the handlebar to the desired angle.
19. Tighten the four faceplate bolts (#6a) gradually (1/4 turn at a time) in an X-pattern to a torque of 5.0 N-m.

TIGHTEN THE HEADSET

Note: Refer to your bike's user manual for guidance on tightening the headset and checking for play.
20. With the bike on the ground and able to roll, check the headset tightness by holding the front wheel brake with
one hand and placing the other hand at the top of the headset. Rock forward and back and feel for any movement
of the steerer tube relative to the headset.
21. If you can feel motion, loosen the pinch bolts (#6b) on the ShockStop, tighten the top cap (approx. ¼ turn), and
re-tighten the pinch bolts (#6b).
22. Repeat Steps 20 and 21 until there is no longer any rocking movement felt at the top of the headset during Step
20. Afterwards, check that the steering freely moves left and right with no sense of friction. If it is too tight, loosen
the two pinch bolts (#6b) and the top cap and go back to Step 20.
23. Once the headset is properly tightened, torque the 2 pinch bolts (#6b) on the ShockStop to 5.0 N-m.
Elastomer Elastomer(s)
handle(s) below
inside support
Cross-threading may occur if the
bolt is not aligned with hole

SELECTING ELASTOMERS

Yellow Orange
The ShockStop can be used with one or two elastomers of varying sti ness in order to tune the feel of the
suspension. Each elastomer has a number marking on the side, and higher numbers correspond to a sti er
feel. Below, you'll nd charts that show various elastomer con gurations ranked in order of e ective
sti ness. There are many factors that can a ect what feels right for a given rider, including rider weight,
rider position, handlebar geometry (drop vs at), stem length, riding style, and expected road conditions.
Because of this, the charts below should be used as a starting point. Once you have tried the Shockstop, you
may wish to change the elastomer combination to t your preferred ride feel.
Drop Handlebars
Rider Weight
Elastomer 1 Elastomer 2
lbs kg
< 115 < 52 60 50
115 - 135 52 - 61 70 50
135 - 155 61 - 70 70 60
155 - 185 70 - 84 80 50
185 - 205 84 - 93 80 70
> 205 > 93 90 50
Notes:
• In con gurations where Elastomer 2 is "none", do not install a 2nd elastomer (leave it empty).
• There will be a slight "breaking-in" or softening of the suspension feel during the rst ride(s) as the elastomers
settle into place.
• Additional combinations are possible. For a full chart of possible elastomer combinations, visit
www.redshiftsports.com
QUESTIONS?
If you encounter any issues while using the ShockStop, please visit www.redshiftsports.com for the most up
to date instructions and answers to frequently asked questions. You can also contact us directly at
support@redshiftsports.com or via phone at +1 484-696-4254.
WARRANTY
Redshift Sports LLC warrants that this product is free from defects in material and workmanship for one year from
the date of original retail purchase. This warranty applies to the original retail purchaser only, and is not
transferable to any subsequent purchaser(s). At their discretion, Redshift Sports will repair or replace the defective
product with the same model (or an equivalent model if an identical model is unavailable). This warranty does not
cover components that are damaged due to improper installation, improper adjustment, poor maintenance, crashes,
abuse, modi cation, misuse, or other conditions deemed abnormal or excessive by Redshift Sports LLC.
All warranty returns must be accompanied by a Return Authorization Number (RA#) and dated proof-of-purchase.
You can obtain an RA# by submitting a warranty claim at www.redshiftsports.com or by emailing
returns@redshiftsports.com.
Blue Green Black
Flat Handlebars
Rider Weight
Elastomer 1
lbs kg
< 135 < 61 50
135 - 185 61 - 84 60
185 - 215 84 - 98 70
> 215 > 98 60
Elastomer 2
none
none
none
50