XTR RT-MT900 rotors offer stable and versatile braking performance in the most demanding MTB conditions. - Center Lock design (alloy lockring included) - Incorporates Ice Technologies Freeza construction for superior heat dissipation - Compatible with both metal and resin brake pads

- T100 Sintered Metallic: long-life, all-condition compound - T106 Semi Metallic: no-bed, shorter-life, quieter compound - Set includes one pair of pads with retention clip

Stainless steel rotor designed for smooth and quiet braking with any disc brake caliper.

SRAM's CenterLine rotors are light-weight, quiet, smooth and robust, featuring a two-piece design with an aluminum center and steel brake track.

SRAM's Centerline Rotor delivers consistent, quiet and powerful braking. The rotor has a consistent center of friction throughout rotation to minimize vibration, so the only thing you'll notice about your brakes is how well they perform.

With a focus on reduced weight and cross-country tuned stopping power, the XTR BL-M91000 lever provides intuitive modulation so that you can explore your limits with confidence. They're paired with 4-piston calipers which offer high-performance braking with reduced input force at the fingertips. - Lever provides greater flexibility and an action-optimized cockpit layout - Quicker rebound between actions maintains rider concentration - Banjo type connection and inboard hose routing - Brakes are pre-bled for convenient setup

The pinnacle in mountain bike braking, SHIMANO XTR RT-MT900 disc brake rotors deliver superb stopping power for the most aggressive riding. The ICE TECHNOLOGIES FREEZA rotors dissipate heat to maintain braking performance on long downhill stretches. SHIMANO's CENTER LOCK mounting system makes installing and removing rotors quick and easy thanks to the spine mount and lock ring design. High-performance and consistent brake performance - Stable and versatile brake performance in the most demanding conditions New ICE TECHNOLOGIES FREEZA construction for boosting heat dissipation - Surface temperature cooled by -20°C (vs RT99, 203 mm) Rotor size - 160 mm, 180 mm, 203 mm

Shimano's XTR M9120 Enduro-style hydraulic disc brake system increases brake rigidity for greater bike control. The 4-piston calipers offer high-performance braking with reduced input force at the fingertips. - Lever can be adjusted to suit any hand or riding style with tool-free reach adjust - Lever provides greater flexibility and an action-optimized cockpit layout - Quicker rebound between actions maintains rider concentration - Banjo type connection and inboard hose routing - Brakes are pre-bled for convenient setup