FEATHERWEIGHT THAT PACKS A PUNCHThis race-ready mechanical disc brake takes the proven power and performance of BB7 and dials it up a few notches with its sleek "Falcon Grey" anodizing and weight-saving hardware. The lightweight Centerline rotors and all-titanium hardware saves 25 grams per wheel. So you'll be just as confident on the climbs as you are on the descents. Compatible with Red, Force, Rival and Apex levers.Technologies:Tri-Align Caliper Positioning SystemAnother original Avid technology making your life better-there's never been an easier brake to install and adjust. With Avid's Tri-Align Caliper Positioning System, aligning the caliper to the rotor literally takes seconds. Just loosen the CPS bolts a little, and then squeeze the brake lever while re-tightening the bolts. Perfect caliper alignment-just like that. • Construction: front • Material: Aluminium/ titanium screws • Weight: 170 g • Brake technology: mechanically • Intended use: Road Delivery size • Delivery: Brake caliper, HS1 brake disc, IS adapter Brake Disc • Disc brake: 6-hole (one-piece) • Braking Disc Diameter Front: 160 mm • Indication: Avid HS1 • Braking Disc Diameter Rear: 140 mm Brake caliper • Rear brake caliper: Postmount • Number of brake pistons at the front: 1 • Number of brake pistons behind: 1 • Front brake caliper: Postmount