1.[Easy to Install]: This Titanium alloy Bicycles Water Bottle Holder fits on most bikes, is weatherproof, waterproof to use, can easily and quickly mount to your bike frame, and is convenient to take out. 2.[ ]: The Water Bottle Cage for Mountain Bike, simple and practical, is lightweight and compact in size. The kettle rack is installed on the frame, and placing the kettle on the frame is suitable for most bikes. 3.[]: Bike Water Bottle Holder is made of titanium alloy material, with fine workmanship, stable structure, more solid, wear resistant, , high strength, not easy to deform, and can be used long time. 4.[Retention System]: The water bottle cage with construction no matter whether riding on the road rough terrain, can hold the bottle tightly, will not sway and fall off, and will not deform or break when encountering strong impact.