Adapter for mounting a water bottle to bicycle handlebars — secure, lightweight, and compatible with a wide range of bikes. Key benefits Secure fixation: Engineered to clamp firmly to handlebars so your water bottle stays in place throughout your ride, reducing rattling and the chance of loss. Broad compatibility: Includes three spacer sizes to fit handlebars with diameters from 2 mm to 35 mm, making it suitable for many road, hybrid, and mountain bike models. Durable, lightweight construction: CNCmachined from aluminum alloy with a matte black finish for longlasting performance without adding unnecessary weight. What it does for you Keeps your bottle accessible on handlebars when framemounted cages aren't available or you prefer a different placement. Provides a stable, reliable attachment that withstands everyday riding and varied terrain. Adapts easily to different handlebar sizes using the included spacers. Features Material: CNCmachined aluminum alloy for strength and low weight Finish: Matte black Compatibility: Fits handlebar diameters from 2 mm to 35 mm with three included spacer sizes Function: Secure handlebar mounting for water bottles Practical use scenarios Commuting: Mount a water bottle to the handlebars of a city or folding bike that lacks convenient frame mounts for quick access during short trips. Offroad trails: Attach a bottle to wider handlebars on mountain or gravel bikes where frame cages are occupied or inaccessible. Touring or rental bikes: Use the adapter on bikes with nonstandard frame geometries or on rental/loaner bikes to ensure you always have a secure hydration option. What's included Adapter unit plus three spacer sizes to achieve a snug fit across the stated handlebar diameter range. Notes Designed specifically for handlebar mounting of water bottles. Follow standard installation torque and safety checks before riding.