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In the never ending quest to make adaptive athletes faster in their racing wheelchairs and handcycles, Zipp is constantly testing and refining. As your wheels spin, there are a known set of resistive forces continually stealing energy away from your athletic efforts. One of these forces is drivetrain friction.
But, for adaptive athletes looking for that extra advantage, Zipp has partnered with CeramicSpeed to create a ceramic upgrade bearing kit designed specifically for wheels that take size 61803 & 61903 bearings! This is usually for a racing whelechair wheel or handcycle wheel. Always check with your wheel manufacturer before purchasing. What are you waiting for?! Gain a competitive edge over the competition, with Zipp CeramicSpeed Bearing Upgrade Kit!
1 Kit Includes: x1 61803 & x1 61903 Bearings Sizes
Facts....
• Lowest resistance hybrid ceramic (ceramic balls and steel cages) available.
• Measurable wattage savings between 1.5 and 9 watts per bearing set, depending on the level and condition of your existing bearings.
*NOTE: 1 Kit includes 2 bearings (61803 & 61903), for ONE wheel. Quantity of 2 Kits required for 2 wheels.
Most items ship within 2-3 business days