The BMC RAD Dropper telescopic MTB seatpost is a model developed exclusively for the BMC Fourstroke 01 and 01 LT mountain bikes. Its oval shape is specifically adapted to the BMC frame tube for an integrated design.BMC's proprietary RAD system saves 100g on the entire assembly, resulting in a featherweight 345g dropper seat post.Size S is compatible with frames smaller than and equal to size S. Size M for M and larger frames is also available on our website. Composition of the seatpost: 1x 414.5 mm oval tube, 1x guide rail, 1x position rail, 1x inner tube for 22.5x118mm tube, 1x top cap, 1x bottom cap, 1x 20.3x22mm piston, 1x 4x140mm piston rod, 1x valve body, 1x valve stem 8x133 mm, 1x locking pin 8x22 mm, 1x locking pin guide 8x36 mm, 1x clamp
Technical specificationsTelescopic MTB seat post
RAD system
Exclusive model BMC Fourstroke 01-LT
Size S