This item is a universal water bottle holder for bikes. Its secure and firm wrap around arm design keeps your bottle stable and stay in place even in bumpy roads. The bottle holder can be easily installed on the handlebar, seatpost and other poles and tubes of the bike. Perfect replacement for you old storage basket. Feature - Color: Black. - Material: plastic. - Size: About 7x8x16.5 cm/2.76x3.15x6.5 inch. - Features smooth surface rack will make no scratch on you bottle kettle. - Adjustable bottle cage, to fit 55-75mm kettle or bottle holding. - Easy to mount the holder on the handlebar, seatpost and other poles and tubes of the bike. - Ultra lightweight. Adds no extra weight to your bicycle, perfect for cycling travel. - Suitable for most types of bikes, including mountain bike, road bike, and folding bike and other bikes without a storage basket.