SHIMANO XTR BL-BR-M9100 DISC BRAKE The XTR M9100 caliper features a MONO-BODY design which is machined from a single cold forged block to maximize rigidity and a pair of ceramic pistons for perfect, Rider Tuned stopping power. FEATURES High-performance brake control -Higher braking force with reduced input force at finger tips highly linear response, and braking power, stroke, and time lag reduced by 30% compared with M9000 High rigidity -New high rigidity brake hose and 1-piece aluminum caliper Lightweight -26 g lighter (vs. BL/BR-M9000 with disc brake rotor) Straight hose connection Include: Brake Caliper Brake Lever Hose - Pre-Bled Brake Pad Caliper Bolts Rotor: MT900 (Optional) **Depending on the size rotors you are using you may need an additional post mount or is mount adapter to fit these calipers to your application. Please contact us and we can provide them in your order for an additional charge.** If you need Olive insert (for changing the rear hose length), please contact us before placing order SKU: BR-M9100