ZIPP CeramicSpeed Bearing Kit for 77/177 Hubs - 61803

The ZIPP CeramicSpeed Bearing Kit includes 2x 61803 bearings. The hybrid ceramic bearings offer an lower resistance and wattage savings between 1.5 and 9 watts per bearing set, depending on the level and condition of your existing bearings. Suitable for: ZIPP 77 front hub shells ZIPP 177 rear hub sheels Included in delivery: 2 bearings with grease syringe Material: balls: ceramic cage: steel