Carbon fiber is a new material with excellent mechanical properties elastic and strength are very good only 2/3 of the density of aluminum alloy. This product adopts pure carbon fiber manufacturing design beautiful light to reduce the total weight of the cycling equipment.This high quality quick release style mount is designed for water bottle. Very comfortably to use very comfortably to mountbecause there are some mount holes in the middle of the holder to mount on the vertical or horizontal axe of the bike.And it is very to pick the bottle up and drink water during the riding. Perfectly for cyclist for the long journey . - Model: RASTON TST-BC3009 - Color:Black + multi-color - Material: Carbon fiber - Easy installation - Holds your water bottle firmly while riding