Topeak Tri-Backup Elite 90

. The Topeak Tri Backup Elite 90 is specifically designed for reducing air drag as much as possible and is intended for use with Triathlon saddles, which have vertical rails. This mount enables you to store one or two bottles directly behind your saddle so they will not interfere with your aerodynamic finesse. It also houses an integrated Micro Air booster and CO2 cartridges for the ultimate in reliability Features Material CNC Aluminium Hydration Capacity One or two bottles up to 750cc each Compatibility Ninja TC Road, Ninja Pouch Road Ninja CO2 Tri Cage series Dimensions 8.6 x 7.6 x 7.4cm Mount V rail section of saddle, compatible with CrMo, Ti, & Carbon rails Max Load 2.5kg Added Features 1x Micro AirBooster, 2x 16g CO2 cartridges included, angle adjustable cage Weight 102gBuy Topeak Accessories from Chain Reaction Cycles, the World's Largest Online Bike Store.