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CeramicSpeed PF4630 Bottom Bracket: OSBB Specialized frames, 30mm Spindle, Black

Low Price: $359.00
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A bottom bracket that offers bearing with extremely low friction, improved power transfer, and a service life that far exceeds traditional steel bearings.
  • Grade 3 Silicon Nitride balls
  • Hardened races
  • Reinforced polyamide cage and non-contact seals
  • Hand built in Denmark
BB/Frame InterfaceSpecialized Alloy OSBB
Defined Color ListBlack
BB Shell Width (mm)61mm
Spindle Interface TypeBB30/PF30
Bottom Bracket Shell I.D.46
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This product was added to our catalog on April 25, 2018