Secure and Sturdy:The water bottle cage is suitable for bikes with pre-drilled screws holes, if the package received is missing screws, please contact us! The water bottle cages has arms that wrap around the bottle for a secure and firm hold so you don't have to worry about it falling out during you ride on bumpy trails. Make sure a full water bottle is securely fastened while riding Wear- Quality:The bike water bottle holder made of high quality PC material, ultra-light, only 35g, not attrit the bicycle frame and easy to install. Great for road, mountain, hybrid, touring and electric bicycles Easy to Install: With installation tool and two pairs of screws. Even if your kids go to Install. It takes less than 60 seconds to install these bicycle water bottle holder. Use an 3mm Hex wrench to secure the stainless steel bolts to the bike rack. IMPORTANT: Check if your bike frame has threaded holes before you buy Universal Fit:This water bottle holder is designed to fit most sized of cycling water bottles. Specifically designed for a , it allows you to access your water bottle while riding easy access at all times. NOTE: if you receive your shipment and are missing bicycle bottle pocket accessories, please inform us and we follow up closely Colorful Design: Has a nice finish that doesn't scratch or mark the bottle. Perfect color match to your frame. It is more and flexible, not only suit for standard size bike water bottles, likes 20 21 ounce size, but also the disposable water bottles or coke Bike Water Bottle Holder Experience rides with our water bottle cage featuring rounded corners. With a focus on safety and protection, our cage is designed to prevent any potential scratches or damage to your bike frame. Easy Access While Riding: Stay hydrated effortlessly with our bike bottle carrier. Designed to fit most cycling water bottles, it ensures easy access while you're on the move. Quench your thirst without slowing down. Color: Black Material: PC Package Contents: 1 * bottle holder 2 * screws Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.