CeramicSpeed 61903 Standard Cartridge Bearing

$109.99

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Bearings Made By Hand In Denmark
The results speak for themselves when every measure has been taken to ensure the very best quality of CeramicSpeed bearings. This CeramicSpeed 61903 (6903) Standard Cartridge Bearing has been hand-built and personally checked four times during the build process. Super smooth CeramicSpeed grade 3 Silicone Nitride balls are matched (within microns) with hardened steel raceways that feature an ultra-smooth polished groove.

Built To Keep Dirt And Moisture Out
The balls are held in place by a reinforced polyamide cage, and every bearing is optimised with a low viscosity CeramicSpeed "Blue Grease" to minimise friction and increase bearing life. Non-contact seals complete the bearings, keeping dirt and moisture out.

Better Than Competitors By Far
Whatever your cycling discipline Road, TT, Tri, Track, Cross, and MTB you can use CeramicSpeed bearings to capitalize on the benefits with super low friction, better power transfer, and increased bearing life. When comparing the CeramicSpeed Balls with other ceramic balls in the industry, you will find that the CeramicSpeed Balls are 15% harder, take 99% higher loads, and are 100% smoother. CeramicSpeed Balls are also 400% smoother, 128% harder, and 58% lighter than standard steel bearings normally used in the bicycle industry.
. CeramicSpeed bearings hand made in Denmark . Reinforced polyamide cage . Super smooth CeramicSpeed grade 3 Silicone Nitride balls . Non-contact seals keep dirt and moisture out . Suitable for Road, TT, Tri, Track, Cross, and MTB Specifications . Product: CeramicSpeed 61903 Standard Cartridge Bearing (6903) . Type: Standard . Product Ref: 101274 . Inner Diameter: 17mm . Outer Diameter: 30mm . Width: 7mm