Disc Brakes Sram Bb5 Road Rear 140Bring the power and performance of disc brakes to your cutter bar bike.Features:Road specific.Mechanical simplicity. Conforms to ISO 4210.See declaration of conformity for more details.Specifications:Application (DB): RoadBrake type: Mechanical Blade material: n/a Rec MMX clamp (not included): n/aOrientation: n/a Pad Type (Disc): Organic steel backedBracket (Disc Brake): DIR direct mount, n/a Hose length (mm): n/a Rotor (AM only): 140mm included, 160mm included, n/a Pistons: n/aPiston material: n/a Recommended rotor type: 1 piece G2 CleanSweep Weight based on: caliper only