IRD Scramjet BSA Threaded Bottom Bracket
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IRD Scramjet BSA Threaded Bottom Bracket
- External BSA, English threaded bottom brackets featuring a unique self-cleaning hybrid ceramic bearing system for the ultimate in strength and durability
- Cartridge bearing system features a single ceramic ball with the remainder being steel with steel races, combining the strength of steel and the bearing life of ceramic
- Single ceramic ball bearing pulverizes contaminates, reworks and polishes the steel races with every rotation
- Offered in 24mm (Shimano, FSA, Race Face, etc) with an expandable sleeve that fits 68mm to 100mm shells
- Bearings include a 5 year warranty
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Scramjet BSA Threaded BB, 24mm, Black |
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