This is the SRAM Force 22 caliper rim brake. The SRAM Force 22 Brakes was designed with light weight, performance, and streamlined aesthetics as our guiding principles. Featuring Dual Pivot performance and a proprietary pad compound, the SRAM Force Brake delivers high power with low weight. Intelligent engineering combines cold-forged arms, stainless steel main pivot bolts, and a powerful return spring for positive engagement and release. Features: Dual Pivot design increases braking power and enhances progressive feel. SRAM /SwissStop(TM) Compound with Adjustable Cartridge Holder convex washers Cold-Forged Arms, Stainless Steel Pivot Bolt Specifications: Weight: 280 (pair) Technology Highlight(s): Dual Pivot Material: Cold-Forged Aluminum Arms, Stainless Steel Pivot Bolt Pad / Holder: SRAM / SwissStop(TM) Compound with Adjustable Cartridge Holder convex washers QR: Indexed