SRAM S-900 Disc Brake Caliper The SRAM S-900 flat mount disc brake caliper assembly offers optimized power and modulation for triathlon and time trial. Features Caliper is a spare part for use with SRAM S-900 brakes (hose is not included)2-piston, 2-piece design offers superior control, feel and heat management Crafted with durable and lightweight aluminum Flat mount only Includes steel-backed organic brake disc pads and a single pad spacer Manufacturer Part Number: 11. 5018. 066. 000 | Sram | S-900 Disc Brake Caliper Fm 2-Piston