[Wear-Resistant Quality]The bicycle water bottle holder is made of high-quality PC material, ultra-light, will not wear the bicycle frame, and is easy to install Great for road bikes, mountain bikes, hybrid bikes, touring bikes and e-bikes. [Safe and Strong]The water bottle holder has arms that wrap around the bottle, providing a safe and secure hold, so you don't have to worry about it falling off when riding on bumpy trails. [Universal Fit]This water bottle holder is designed to fit most sizes of cycling water bottles. Designed specifically for cyclists, allowing you to easily access your water bottle at all times while riding Make sure filled water bottles are securely secured while riding. Colour:BlackandRed Material:pc Package Contents: 10x Bicycle Gradient Water Bottle Cage 20x Screws 10x Wrench 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.