Discover The Disc Brake DifferenceDisc brakes aren’t just for mountain bikes any more. One ride with the smooth, powerful BB5 Road and you’ll know the confidence and control that disc brakes bring to your road riding adventures.Tri-Align™ Caliper Positioning System™Another 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.Tech Spec : Weight : 335 grams (160mm rotor; front post mount),Caliper Design : Mechanical, Monoblok,Finish : Platinum,Rotor : G2 CleanSweep 160mm/180mm/200mm,Pad : Sintered,Adjustment : Inboard Knob Pad Adjustment, Tri-Align Caliper Positioning,Compatibility : Road style levers,Intended Use : CX/TRK/URBAN/ROAD,International Standard,Mechanical Disc.