For over 20 years, Thudbuster has been the bicycle industry standard in suspension seatposts by providing unequaled comfort and reliability to riders around the world.
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The latest generation Thudbuster LT is superior to its predecessor in every way. Building on Thudbuster’s proven parallel linkage technology we have completely re-designed the seatpost for increased durability, additional suspension travel, as well as ease of use through tool-free elastomer change and a single-bolt seat clamp design.
By improving on this already legendary design, we’re confident to say that the newest generation Thudbuster is the most advanced suspension seatpost ever made.
The Thudbuster Parallel Linkage technology stays in the direct path of the natural travel of the rear wheel. As a bump lifts the back of a bicycle, the rear wheel pushes up and forward into the rider. The Thudbuster works by compressing along the exact opposite path — down and rearward — absorbing force at the same rate. This results in a natural suspension feel without being overly active, and allows for more travel without compromising pedaling position.
Single bolt fastening and angle adjustment design
Threaded, serviceable, hard anodized aluminum axles flanged PTFE bushings
Medium firm elastomer pre-installed from the factory. Extra Soft, Soft, Firm, and Extra Firm elastomers sold separately
90mm / 3.54in
27.2 – 390mm. 30.9 + 31.6 – 420mm
750 grams (31.6)
|Max Rider Weight||
250lbs / 113kg
Minimum – 146mm
Maximum – 290mm for 27.2, 320mm for 30.9 +31.6
|Diameter (Direct Fit)||
27.2, 30.9, 31.6
(additional diameters available with seatpost adapter)