Brand: PRO BIKE TOOLFeatures: Stay Hydrated on Your Ride - Quick & Easy access to your bike water bottle when you need it. Great for road, mountain, hybrid, touring & electric bicycles. Buy 2 bottle cages to stay hydrated for those extra-long rides, so you can go the distance!Secure and Sturdy Bottle Retention System - ensures a full bottle stays firmly in place when riding, whether you're out riding fast on roads or bumpy trails. Tested and approved with vibration and drop tests. Fits most standard & over sized bike water bottles, including the following sizes: 20, 21, 25, 24, 25 & 32 oz / ounces (500, 550, 650, 750 & 950 ml sizes). Note: not compatible with regular plastic bottles or metal insulated water bottles.Sleek and Modern Design - made from Nylon and Glass Fiber, our bike water bottle holder is both stiff and light weight at only 46 grams. The top of the bottle cage features a unique 'high collar' design to improve the stability and retention of water bottles.Quick & Easy to Install - Mount on your bike frame in under 60 seconds. Long oval mounting holes allow for fine-tuning of position on frame, especially on E Bikes with large batteries. 2 stainless steel bolts included. Important Note: Bike frame requires threaded holes for installation for bottle cage installation. Bottle cage only designed to be mounted on bike frame - seat post tube and/or angled down tube.Pro Quality - Were so confident about the quality of our products that if you have any product issues, were very happy to either provide a Refund or a Replacement.