Fantastic Design and Finish The water bottle cage made of high quality PC material, so you don't have to worry about it attrit s the bicycle frame. Attaching two bike bottle holders on your bike for those extra long rides. Lightweight and Portable The two bike holders only weights about 4 ounces. It is easy to carry on and clean. Secure and Sturdy Bottle Retention System Ensures a full bottle stays firmly in place when riding. Fits most standard and over sized bike water bottles. Durable quality made of high-quality PC material that is lightweight and easy to install Will not damage the bicycle frame, suitable for road, mountain, hybrid, touring, and electric bicycles Secure and sturdy bottle retention system keeps your bottle firmly in place while riding Compatible with most standard and oversized bike water bottles Quick and easy installation with necessary mounting fittings included