Designed for high-end performance and durability the CeramicSpeed BSA 30 Coated Mountain Bike Bracket places its value in its extremely low friction for your best effort power transmission. BSA stands for: English-threaded bottom brackets, deriving from British Standard Cycle. On Mountain Bikes the English threading means a 73mm wide, 34mm inside diameter shell with reverse threading on the drive side. Its the most common threaded standard employed today. The Coated bearings utilise Ceramic Balls installed on wafer-thin coated, hardened-steel races for a longer life and lower mechanical friction. All CeramicSpeed products are handmade to ensure only the best material and the latest technologies are used to always achieve the highest possible quality.

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