Zipp 61903 Ceramic Bearing Upgrade Kit 61903 Kit Weight-220g front/rear rear (HG 8-11sp) axle/spacing

front/rear rear (HG 8-11sp) axle/spacing (mm) 12x148 Boost hole 32h color orange weight 286g

}SRAM Maven Silver Disc Brake and Lever - Rear Post Mount 4-Piston Aluminum Lever SS Hardware Black A1

We were very happy with the performance and popularity of this boot when this updated model was introduced last year

6" Compound Magi-X Bead Non-Folding Type Non-Tubeless Color Black Weight 630g

Stiff 4-piston caliper with best heat management and easier bolt access

Zipp 61903 Ceramic Bearing Upgrade Kit 61903 Kit Weight-220g front/rear rear (HG 8-11sp) axle/spacingZIPP Ceramic Bearing Upgrade Kit 61903 Compatible with ZR1 ZM2 hubs, Cognition Rear hubs, Cognition 76 disc front hubs, 176 all rear hubs (incl. 2 ceramic bearings) SRAM Model ID: HU SPP A0 TECH SPECS Material Ceramic Number 61903