Thudbuster LT G4 Seatpost - 27.2 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