Patented Design. Aluminum alloy water bottle cage for bicycles. The BV bottle cage is perfect for taking refreshments along for a ride. Reinforced plastic rim protects water bottles from bottle cage paint. Carbon Look and White in a glossy finish, Black and Silver in a sandblast anode finish. Specifications Material: Heat-treated aluminum plate Weight: 2 oz. (56g) Dimensions: 5" x 3" x 3.5".