For serious cyclists needing to stay hydrated on their long rides, the Cinch Carbon Fiber Bottle Cage is an essential add-on. The reliable bottle retention means your bottle won’t go missing, while the sleek design fits in with your bike’s style. In addition, the unidirectional carbon fiber material that it is constructed from gives the Blackburn® Cinch Carbon Fiber Bottle Cage an excellent strength-to-weight ratio. FEATURES: Bottle Cage Uni-directional carbon fiber materiel for excellent strength-to-weight ratio Reliable bottle retention Sleek design Includes 2 mounting bolts Dimensions: 5.51” x 3.07” x 3.07” Weight: .04 lbs.