Zipp CeramicSpeed Bearing Kit - 61803, 30/60 88 Front Hub Shell, 188 Rear Hub Shell and 30/60/S9 Rear Free Hub Body, Pair

Zipp Cartridge Bearings

• Measurable wattage savings between 1.5 and 9 watts per bearing set, depending on the level and condition of your existing bearings
• Kit includes (2) bearings and (1) grease syringe for one wheel
• One kit required for: Zipp 88, 30 and 60 front hubs Zipp 188v8 rear hubs Zipp ALL free hub driver bodies
• Note: 88 front and 188v9 rear hubs are on all 2014 and newer Zipp 202, 303, 404, 808
• These 61803 bearings are not interchangable with the 77/177 hub 61803 bearings

• Bearing O.D. (mm): 26
• Bearing I.D. (mm): 17
• Manufacturer Number: 61803
• Material: Ceramic
• Thickness: 5