Zipp relentlessly pursues faster cycling performance through continuous testing and refinement. While riding, various resistive forces, including drivetrain friction, diminish your power output. To optimize performance, durability, and cost, Zipp hubs are precisely machined to tight tolerances and equipped with premium steel bearings. For riders seeking enhanced efficiency, Zipp collaborates with CeramicSpeed to offer specialized ceramic bearing upgrade kits designed specifically for Zipp hubs and freehub driver bodies.
KEY FEATURES
Low resistance hybrid ceramic (ceramic balls and steel cages)
Measurable wattage savings between 1.5 and 9 watts
Suitable for Zipp 188 v9, 30 and 60 rear hubs
Comes with 2x 61903 bearings (ID 17mm / OD 30mm) & grease syringe
Specifications Bearing Type: Radial Bearing, Ball Bearing, for Wheels/Hubs Bearing Ø inside: 17 mm Bearing Ø outside: 30 mm Bearing Width: 7mm Bearing Material: Hybrid
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