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Praxis Conversion Bottom Bracket - Shimano Road BB30/PF30

Praxis Conversion Bottom Bracket - Shimano Road BB30/PF30

This Conversion BB is for installing a Shimano Hollowtech II steel spindle crank in either BB30/PF30 road frame or older Specialized OSBB road frame.  This bottom bracket is made of lightweight and durable aluminum with long lasting sealed cartridge bearings.

  • New updated design with Rubber expanding collet.
  • This version for Shimano™ Hollowtech II steel spindle road cranks only.
  • Designed precisely to Shimano bearing stance & chain line spec.
  • Forged & machined heat-treated 7075 T6 Aluminum
  • For 68MM BB30/PF30 and older Specialized OSBB Road frames
  • Not for BBRight, BB386EVO, BB30A, BB86, BB92 frames
  • Steel version:Enduro 2437
  • Ceramic Version:Enduro 2437 Angular contact, Grade5 balls, ABEC5 Assembly
  • 68mm version cannot be used for MTB Cranks