Promax SP-1 Seatpost Inflatable - Closure and Fit Adjustment

- Closure and Fit Adjustment 3-straps

The best thing about this call is the life you get out of it

In more rugged terrain

Removable Low-Profile Glove Clip

Costa brings next-level Pro-formance to its best-selling Jose frame

Promax SP-1 Seatpost Inflatable - Closure and Fit AdjustmentSP 1 2 Piece Seatpost The SP 1 seatpost is our tried n true 2 piece design made to work on any bike, any ride. Combining a lightweight, 2014 aluminum alloy shaft and a cold forged, aluminum alloy head, it delivers ride after ride and looks good doing it. Length 400mm Diameter 26. 8mm, 27. 2mm, 30. 9mm, 31. 6mm Offset 20mm Material 2014 Series Alloy