Bottles/Cages

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

The Aero HC Bracket Kit from Profile Design lets you attach a water bottle and computer mount in between your aero extensions. It fits aero extensions from 85mm to 120mm wide so you can use the bars of your choosing.

The Vise Kage is a rear mounted firm-hold bottle retaining system to smooth airflow in the aero position. Recommended for Profile Design rear-mount systems. - Nylon Glass Fiber non-marking construction - Weight: 27g

Profile's Stryke Kage ensures you’ll never lose your bottle again. Constructed of injection-molded nylon/fiberglass, this incredibly strong cage provides a great grip and doesn’t leave marks on bottles. Plus, this cage is super light, too.