Experience efficient and high-volume hydration with the Pro Autoflow Valve Performance Bottle. Engineered for demanding cycling conditions, this 800ml capacity bottle ensures you stay hydrated on longer rides. It features an advanced Auto Flow nozzle that delivers a consistent and smooth stream of fluid, allowing for rapid intake when you need it most. The integrated lockable membrane guarantees leak-free transport, providing peace of mind when storing your bottle in your kit or cage. Crafted with BPA-free materials, this bottle prioritizes safety and pure taste. The inclusion of a removable exterior gripper simplifies the cleaning process, ensuring your gear stays hygienic after every ride. Its ergonomic design is specifically optimized for a secure, rattle-free fit when used with the Pro Performance Cage, making it a reliable companion for all types of terrain. This performance-oriented hydration solution combines durability, high capacity, and user-friendly features to meet the requirements of serious cyclists. Product Summary: Pro 800ml cycling water bottle, high-flow Autoflow nozzle, leak-proof locking cap, BPA-free material, bike water bottle for long rides.