The Haro Baseline U-Brake is a fantastic entry into the Baseline model series providing a cost effective and easy to install brake caliper. Installation and adjustment is made extremely simple with Springhanger system eliminating the need to perfectly match individual spring rates in order to have the brake pads contact the rim properly. Plus, the lack of conventional springs leaves extra room around the brake bosses for big tires. Take the hard work out of brake installation with the Haro Baseline U-Brake. Features: Forged 6061 aluminum Springhanger technology for easy self-adjustment SPS system pads with female bolts Extra clearance for big tires Specifications: Weight: 5.54 oz