Topeak Tri-Cage Bike Bottle Cage With saddle carrier mounting in mind, the Tri-Cage Bottle Cage employs an easy access “forward release” design, geared to stop you dropping your bottle when reaching back for some mid-ride refreshment. Built from an engineering grade polymer, the Tri-Cage not only holds your liquids, but can also support additional peripherals including the Ninja T Road tool case, the Ninja Pouch Road spare tube carrier or the Ninja Co2 Inflator. Multi-Purpose With two tyre levers also included, the Tri-Cage makes itself an essential accessory for those who like to keep thmselves hydrated and their bike in top condition while on-the-go.Features: Material: Engineering Grade Plastic/Rubber Mount: Topeak Tri-BackUp hydration mounts or other rear hydration mounting systems Cage Outer Diameter: Fits standard water bottle (up to 750cc, recommended bottle diameter 72mm - 74mm) Compatibility: Ninja TC Road, Ninja CO2, Ninja Pouch Road Size: 14.7 x 9 x 8.2 cm Weight: 74gBuy Topeak Accessories from Chain Reaction Cycles, the World’s Largest Online Bike Store.