B008JEFRNY
Includes Reverb bleed kit, MMX clamp and shifter mount. Optional Enduro Collar (SPST9530, sold separately) shortens the travel by 20mm, when 100mm is too much of a drop. 520g (100mm travel, 30.9 x 355mm).
Rockshox Reverb A2 100 Seatpost - 34.9 x 355mm, Right,RockShox,00.6818.005.004,22169