ITEM NAME:Carbon Fiber Bicycle Bottle Holder Cycling Water Bottle Cage MTB Road Bike Features: Constructed by carbon fiber out of mold-in technique, durable and practical. Help you to easy access to kettles during cycling. Embedded screw design ensures smooth placement without affecting speed change. Specifications: Item type: Bicycle bottle holder Material: Carbon fibre&;nbsp; Colour: Black Compatible with mouth diameter: 70-74cm bottles. Package includes: 1* Bicycle bottle holder Notes:&;nbsp; Transition: 1cm=10mm=0.39inch&;nbsp; 1. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you!&;nbsp; 2. Please allow 1-3cm measuring deviation due to manual measurement..Material: Carbon fibre&;nbsp;. Item type: Bicycle bottle holder. 1 Bicycle bottle holder. Help you to easy access to kettles during cycling. Constructed by carbon fiber out of mold-in technique, durable and practical.