The Mission Cease V2 Brake is constructed from die-cast aluminum to create a brake that is strong and lightweight. Extra wide tires are no issue as the Cease V2 features wide arm bends so that modern tire widths are not an issue. The Mission Cease V2 is a brake set that works. Specifications: Type: 990 U-Brake Material: Die-Cast Aluminum Includes: Brake, Bolts, Pads, and Straddle Cable Weight: 5.9 oz