CeramicSpeed BSA Threaded Bottom Bracket

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BSA is another way of stating English threading; it comes from British Standard Cycle. English threading on road bikes mean a 68mm wide, 34mm inside diameter shell with reverse thr eading on the drive side. It’s the most common threaded standard employed today. This kit works with 24mm diameter thru-axle cranks, found on Shimano, FSA, Rotor, among others.Choose between two bearings for the cups. Standard Bearings have low drag thanks to hardened-steel races and our Ceramic balls. Coated Bearings have those same balls installed on coated, hardened-steel races for longer life and less bearing drag.In the Box 2 threaded cups with bearings. 2 dust covers with built-in spacers. Spacer tube. All Round Grease. Sticker sheet. Photo Credit: Ceramic Speed Show more