Disc Brakes Sram Bb7 Mtb Fr/Rr 160Bike Parts Brakes Sram Disc Brake Bb7 Mtb Graphite. Includes 160mm G2cs Rotor .front & Rear Is Brackets. When the road calls, we answer. All the features and performance of the BB7 in a disc brake package designed for the demands of the road.Specifications:Weight: 329g (160mm disc, front post mount)Caliper Design: Mechanical, two-piece forged aluminumFinish: PlatinumPad: SinteredAdjustment: Dual pad adjustment knobs, Tri-Align caliper positioning systemCompatibility: Road type leversTechnologies:Tri-Align™ caliper positioning systemAnother original Avid technology that makes your life easier: there's no easier brake to install and adjust. With Avid's Tri-Align™ caliper positioning system, aligning the caliper to the disc really only takes seconds. All you have to do is loosen the BRT bolts a bit, then push down on the brake lever while tightening the bolts. Perfect caliper alignment is as simple as that.