Help you to place the water bottle in the bike. Made of full carbon fiber, super light weight. Sturdy structure, prevent from deformation and damage. Suitable for varied types of bikes, including mountain bike and folding bike. and high quality. Easy install on set and fit for most bottles. Style: left opening Color: Black Material: carbon fiber Package Contents: 1 x bike kettle holder 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. and high quality. Help you to place the water bottle in the bike. Suitable for varied types of bikes, including mountain bike and folding bike. Sturdy structure, prevent from deformation and damage. Made of full carbon fiber, super light weight.