This rear-mounted hydration system holds two bottles and attaches directly in front of seatpost for easy hydration on the go.

– Full angular adjustment allows bottles to be rotated
– 6061-T6 aluminum construction
– Brackets included to mount two Co2 cartridges
– Fits 31.6mm to 27.2mm seatpost with shims (included)
– Includes two cages and 6061-T6 Aluminum clamp and extension