Wheels Manufacturing PF30 for Shimano Bottom Bracket Works For Specialized OSBB

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Bottom bracket for PF30 frames to Shimano Cranks, ideal bottom bracket for Specialized OSBB road frames with Shimano cranks.

  • 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