Topeak OMNI Backup Elite Bottle CageThe Topeak OMNI Backup Elite Bottle Cage enables you to mount one or two water bottles on the rear of your saddle for easy access, increased aerodynamics and provides the ultimate in convenience. Especially useful on bikes which do not have mounts for bottle cages (many full suspension and E-bikes) or simply if you would like to carry a few extra bottles of water or electrolytes for longer cycling sessions.Features:Material: CNC Aluminium Capacity: One or two bottles (up to 750cc each) Compatibility: Tri-BackUp Air Station, Ninja TC Road, Ninja CO2+ Road, Ninja Pouch+ Road, Water bottle cages Dimensions: 8.7 x 8.1 x 7.3cm Mount Style: V rail section of saddle Saddle Rail Compatibility: CrMo, Ti, & Carbon Max Load: 2.5kg Weight: 93gBuy Topeak Accessories from Chain Reaction Cycles, the World’s Largest Online Bike Store.