Zipp 61803 Ceramic Bearing Upgrade Kit 61803 Kit Weight-730g and lighter weight and reduced

and lighter weight and reduced complexity for the daily commute

Holds tires up to 5" with accessory strap

provides the optimal volume without distorting the tread pattern or the side knobs so that they are in the correct position for cornering

the Tanpan amplifies road shifter cable pull to allow for seamless communication with mountain derailleurs

Zipp 61803 Ceramic Bearing Upgrade Kit 61803 Kit Weight-730g and lighter weight and reducedZIPP Ceramic Bearing Upgrade Kit 61803 Compatible with Cognition rim brake front hubs, 176 177 ZM1 ZM2 Cognition driver bodies (incl. 2 ceramic bearings) SRAM Model ID: HU SPP A0 TECH SPECS Material Ceramic Number 61803