XLAB Aero TT System Bottle Streamlined to save vital time, the XLAB Aero TT System Bottle is more aerodynamic than traditional hydration systems, giving high-end performance in the most vigorous of racing conditions. Boasting a time-saving of 64 seconds on a full distance race, the Aero TT reduces drag by 50% compared to rounded bottles and holders.   Aerodynamic and Ergonomic Utilising the special XLAB Hi-Grip Deep Pocket Carbon Cage, there is no need to worry about your bottle dropping out thanks to its 2.7kg grip force. Handling your bottle is also made easy through its deep grip groove. The XLAB Aero TT System Bottle is a superb hydration system for taking off seconds while taking on fluids.Features: Material: Bottle - Taste- Free, BPA Free Polyethylene. Cage - Carbon Bottle Capacity: 590 ml Cage Grip Force: 2.7 kg (approx) Weight: System: 90 g (approx) Cage: 31 g (approx) Buy XLAB Accessories from Chain Reaction Cycles, the World's Largest Online Bike Store.