h3>Make your bike faster/h3>\np>The Trek RSL Aero water bottle and bottle cage are designed for the Madone Gen 8 model but have proven that they can make other brands of racing bikes faster as well. The system complies with UCI standards. The bottle cage can also accommodate standard round water bottles, providing the perfect hydration system for cycling./p>\nh3>Product details./h3>\nol>\nli>Proven results: 1.8 watts faster at 35km/h on the Madone Gen 8 model than standard round water bottles/li>\nli>Faster on any racing bike: proven results with our aerodynamic shaping system/li>\nli>RSL Aero water bottle holder holds RSL Aero and standard round water bottles securely in place/li>\nli>Conforms to UCI standards for maximum safety at all levels/li>\nli>RSL Aero water bottle is USDA approved and is BPA and phthalate free/li>\nli>Water bottle and cap are dishwasher safe and fully recyclable/li>\nli>The RSL Aero water bottle holder is made of OCLV carbon, which is durable and lightweight/li>\nli>Includes mounting hardware to install the RSL Aero bottle cage/li>\n/ol>