Designed for highend performance and durability the CeramicSpeed BSA SRAM GXP Coated Mountain Bike Bracket places its value in its extremely low friction and ultrahighquality construction 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 The CeramicSpeed BSA SRAM GXP Coated Mountain Bike Bracket pairs SRAM and Quarq 2422mm spindle cranks to the BSA Mountain Bike standard 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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