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CeramicSpeed

CeramicSpeed 61903 Standard Bearing - (6903) SKU: BB9903

Regular price $110.00 USD
Regular price Sale price $110.00 USD
CeramicSpeed 61903 Standard Bearing - (6903). CeramicSpeed cartridge bearings are an upgrade option for any cycling discipline. These bearings provide extremely low friction improved power transfer and a service life that far exceeds traditional steel bearings.
  • Grade 3 Silicon Nitride balls
  • Hardened steel races
  • Reinforced polymide cage and non-contact seal to keep dirt and moisture out
  • High resistance to poor lubrication
  • Can be used for any cycling discipline
  • Sold as each
  • Hand built in Denmark
    • TECH SPECS
    Bearing I.D. (mm) 17
    Manufacturer Number 61903 (6903)
    Bearing O.D. (mm) 30
    Material Ceramic
    Thickness 7
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