Thudbuster ST suspension seatposts provide 33mm of travel for hardtails, road bikes, tandems, or any other bike with a rigid rear end.
Parallel link construction provides optimal suspension path
Thudbuster comes with #5 medium elastomer installed, #3 Soft and #7 Firm are included in box
Stainless steel axles with PTFE-impregnated, sintered-bronze bushings
Cold-forged shaft is internally butted for higher strength
Bushings are user serviceable
Redesigned clamp provides infinite angle adjustments