Avid BB7 MTB Disc Brake The Avid BB7 MTB disc brakes are some of the best mechanical disc brakes on the market today. The Avid BB7 brakes are super reliable and offer compatibility with long pull levers. Avid Tri-Align Caliper Positioning System (CPS) is easy to use for getting the perfect alignment. The strength of the Avid BB7 brakes will bring you peace of mind as you're zipping down the trail. For use with with long cable-pull levers Mono-block caliper design has outboard pad adjustment Spring tension is adjustable Caliper has 74mm mounting bolt spacing; mounting adaptors are sold separately Includes brake pads Rotor is not included Intended Use: XCWeight: tbd | Avid | Bb7 Mtb Disc Brake | Black | Front Or Rear, No Disc Or Adaptor