Crupi Seatpost Extender

PRODUCT DETAILS The Crupi Seatpost Extender lets you raise your current seat position to cool off after a grueling race, or cruising your neighborhood. Includes water cage bottle mounts (Cage not included). Extenders only available in black. Size: 22.2 x 370mm  26.8 x 408mm  27.2 x 408mm  Recommendations:  You will need a extra 31.8mm seat post clamp to tighten your seat/post into the seat post extender (or a 25.4mm clamp with the 22.2mm extender).