BB92

Sierra Bicycle Supply Verified independent store

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The CeramicSpeed BB92 bottom bracket offers bearings with extremely low friction, improved power transfer, and a service life that far exceeds traditional steel bearings. Grade 3 S ilicon 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 Show more