VeloChampion Evo Race Bike Water Bottle Cage - Black for Road or MTB Nylon construction is durable, supple and attractive. Adjustable elastomer rubber tensioner: absorbs vibrations and adapts to the shape of the bottle, gripping it tightly for peace of mind in sprints and on rough sections Laser printed Evo Race silver logos/detailing for a long lasting race look Size: Designed for standard size bottles. Weight: 42g