[Hold Tight] Bicycle water bottle holder has a secure and sturdy hold that will ensure that the bottle stays firmly in its place even when riding fast or on bumpy trails [Less Scratch]Bicycle water bottle cage provide easy use and are less likely to scratch the finish on most water bottles. [Durable & Highly Resilient] MTB water bottle cage is made alloy-6061 it's light and highly resilient, making it perfect for road or trail applications. [Suitable for Most Bike Bottle] MTB water bottle holder arm that wrap around bottle fits most standard & over sized bike water bottles, 20-27.2 including 20.3, 24, 25 & 27 oz / ounces (600, 650, 750 & 800 ml sizes). [Easy to Install] Bike bottle cage is easy to install and comes with 2 screws per bottle cage that will give it a firm hold against the threaded holes on your bike’s frame.