Browsing Cranks & Bottom Brackets

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Rotor Bottom Brackets
Rotor Threaded BB Cupset
  • Left and right 7075-T6 aluminum bottom bracket cups with stainless steel bearings (BB1-Track has all-steel bottom bracket cups)
  • Choose 24mm or 30mm spindle, traditional 1.37" x 24tpi or M36 x 24tpi (Italian)
  • See chart image for compatibility
 
item # model spindle interface shell shell ID width color in stock?
  RR7035 BSA30 30mm BSA 33.6mmx24tpi 68/73mm black NO
SRAM E-Bike Cranksets
SRAM Mountain Cranksets
SRAM X01 Eagle Crankset
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