Zipp CeramicSpeed Bearing Kit - 61803 Modified, For Zipp 77 Front Hub Shell and 177 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
• Includes bearings and one grease syringe
• These 61803 bearings are not interchangable with the 88/188 hub 61803 bearings

• Manufacturer Number: 61803
• Material: Ceramic