THE MECHANICAL ADVANTAGE IS YOURS With gobs of beautifully modulated power and intuitive easy-to-use adjustability, the BB7s set the standard in the realm of mechanical disc brakes. Inboard and outboard adjustor knobs, Tri-Align Caliper Positioning System, and integrated Cable Stop spring tension adjustment ensures that our standard is everyone else&&';;s goal. Compound: Organic or Metallic Heat Sink: No Backing Plate Material: Steel Pad Shape Number: 03