Zipp CeramicSpeed Bearing Kit - 61803 x1, 61903 x1, For Sub-9/Super-9 Hub Shell

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
• One kit required for: Zipp Super-9, 900 tubular and Sub-9 disc rear hubs
• Includes bearings and one grease syringe
• Note: 88 front and 188v9 rear hubs are on all 2014 and newer Zipp 202, 303, 404, 808

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