CeramicSpeed T47/73 Bottom Bracket

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The CeramicSpeed T47/73 bottom bracket offers bearings with extremely low friction, improved power transfer, and a service life that far exceeds traditional steel bearings. Grade 3 Silicon Nitride balls Coated races increase bearing service life by increasing hardness of race and reducing corrosion Reinforced polyamide cage and non-contact seals Hand built in Denmark CeramicSpeed products with coated bearings include a 6-year warranty CeramicSpeed T47/73 Bottom Bracket - Shimano MTB, Coated Races, Black Spindle Interface Type: Shimano Hollowtech II Bottom Bracket Shell I.D.: 47 BB Shell Width (mm): 73 Defined Color: Black BB/Frame Interface: T47 Show more