Designed for highend 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 Englishthreaded 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 waferthin coated hardenedsteel 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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