Browsing Cranks & Bottom Brackets from Interloc Racing Design

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Interloc Racing Design » Cranks & Bottom Brackets from Interloc Racing Design



Road/Track & Cross Cranksets
Bottom Brackets
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 that feature a single ceramic ball with the remaining being steel with steel races, combining the strength of steel and the bearing life of ceramic
  • The 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
  
item # model interface shell width color in stock?
  RD-4120 Scramjet 24mm spindle English 68-100mm silver YES
  RD-4121 Scramjet 24mm spindle English 68-100mm black YES