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THUDBUSTER
HOW THE THUDBUSTER SEATPOST WORKS
The Thudbuster seatpost is a four-bar linkage suspension. The cradle, to which
the saddle is fixed, travels in a rearward arcing motion while maintaining the
saddle's proper orientation. This system eliminates the stiction normally experi-
enced with telescoping seatposts. The telescoping seatposts move the saddle
down and forward rather than the more natural down and rearward motion
afforded by the Thudbuster.
The heart of the Thudbuster's design is a stack of two elastomers that provide
both the spring and damper components. While the damping is not indepen-
dently adjustable, the elastomer set provided with the Thudbuster enable five
different spring rate settings to finely tune the post to your weight and riding
style.
INSTALLATION
1. Note your current saddle height and fore/aft position to duplicate it with the
THUDBUSTER.
2. Remove your current saddle and seatpost.
3. Confirm your new THUDBUSTER seatpost (or shim) diameter is the same as your
old seatpost. (THUDBUSTERS are available in (11) direct fit sizes between 25.4
and 31.8 mm.)
4. Grease the shim (if applicable) and seat pillar before installing. DO NOT lubri-
cate seat tubes of Carbon frames (unless specified by the manufacturer).
5. Insert the shim (if applicable) into the bicycle frame with the split facing
rearward.
6. Install the THUDBUSTER into the bicycle frame to approximately the correct
height with the Thudbuster logo on seat pillar facing the front of the bicycle.
7. Attach the saddle with the enclosed clamp kit as shown in the illustration
(middle right) and position to the desired angle and fore/aft position.
8. Tighten the clamp bolt to 10-11 N*m (90-100 in*lb) with the provided 5 mm
hex wrench, ensuring the washer is under the bolt head.
9. Adjust the saddle height if necessary.
SET UP
THUDBUSTER seatposts can be tuned for different weight riders and riding styles
by combining the proper elastomers (spring rate) with the proper amount of
preload (travel initiation load).
tomers than those recommended for your weight. White elastomers are available
for purchase at www.canecreek.com/store.
Suspension Seatpost Instructions
SELECTING ELASTOMERS
Start with the minimum elastomer
guideline (left) for average recommen-
dations. THUDBUSTERS are shipped
with 2 each of grey, blue and black
elastomers. You may desire to in-
crease the stiffness by using harder
elastomers. Never use softer elas-
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Table of Contents
Related Manuals for Cane Creek CANE CREEK THUDBUSTER
Summary of Contents for Cane Creek CANE CREEK THUDBUSTER
- Page 1 THUDBUSTER Suspension Seatpost Instructions HOW THE THUDBUSTER SEATPOST WORKS The Thudbuster seatpost is a four-bar linkage suspension. The cradle, to which the saddle is fixed, travels in a rearward arcing motion while maintaining the saddle’s proper orientation. This system eliminates the stiction normally experi- enced with telescoping seatposts.
- Page 2 CHANGING ELASTOMERS 1. Using an 8 mm wrench and a 4 mm hex wrench, loosen the locknut. 2. Push the saddle forward slightly to remove upper nylon and steel washers. 3. Remove the skewer bolt, keeping the lower nylon washer and steel washer on the skewer. 4.
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