Smooth surface: Bicycle water bottle holder's smooth surface will not wear the bicycle frame and will ensure the safety of your bicycle. Widely used: Bike cup cage is used for round pipes of motorcycles, strollers, bicycles, wheelchairs, boats, golf carts, etc. Easy to install: When your bicycle is equipped with bottle cage fixing screws on the pre-drilled bicycle or seatpost, you can fix the bicycle bottle cage to the front tube. Suitable for: Bike cup holder is suitable for bottles or cups with a diameter of only 5-6 cm. The adjustable and elongated bottom of this bicycle bottle cage allows the cup holder to be firmly fixed on the crossbar. Nylon material: Bike water bottle cage is made of tougher, crack-resistant, and thicker nylon material. This bicycle bottle cage is strong, durable and light. Delivery Quantity: 1 Piece Product color: black Product size: 14*6*16.3cm