[High quality materials]Full Carbon Fiber, The bike water bottle holder made of high quality Full Carbon Fiber, ultra-light, only 26g, The Water Bottle Cage Both And Strong. It Has Compression Resistance And Can Effectively Reduce The Impact Of Vibration On The Kettle And Maintain The Stability Of The Kettle During Riding. Great for road, mountain, hybrid, touring and electric bicycles..[Easy to install]The bike water bottle holder Contains screws. With installation tool and screws.Specifically designed for a cyclist, you can easily access a kettle while cycling, Use the screw to fix the bottle holder to the hole on the bicycle frame. The Bottle Cage Is Easily Secured To The Frame..[Perfect design]With side open design, Left And Right In And Out Design,it can expand to your water bottle when you need. Making The Insertion/Removal Of Water Bottles Easier And Smoother..[Firm and stable] extra strength, stylish.It is very strong and will not deform or break even with the strong impact. The and reliable installation system can ensure that your bottle can be firmly fixed and the bottle will not easily fall out of the bicycle bottle cage even the unstable riding.It Keeps a firm grip on water bottles..[Wide Application]Our Full Carbon Fiber Bicycle Bike Drink Water Bottle CageSuitable for most road bike, mountain bikes, track bike, MTB, BMX, etc. Holding power keeps the bottle in place when riding over rough terrain, The water bottle can be easily pulled out of the bottle holder as well.