Wheels Manufacturing BB30 to External - ACB - SRAM

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  • Angular contact bearings
  • Eliminates the need for adapters.
  • USA machined aluminum shell is superior in function and durability to plastic.
  • Double lip seals on all bearings with high fill rate of top quality grease
  • Threaded design eliminates creaking.
  • Dual silicone exterior seal keeps the gunk out for long life