Thudbuster LT G4 Seat Post - 30.9 mm
Thudbuster Long Travel (LT), 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, Natural suspension feel without being overly active and allows for more travel without compromising pedaling position, 90 mm / 3.5” of travel, 5 mm (unweighted) setback, Medium firm elastomer pre-installed from the factory, Elastomer — 2-piece design, tool-free elastomer change for various rider weights, Seat Clamp — Single bolt fastening and angle adjustment design, Pivots — Threaded, serviceable, hard anodized aluminum axles flanged PTFE bushings