Praxis Conversion Bottom Bracket - OSBB for Shimano Road

This Conversion BB is for installing a Shimano Hollowtech II steel spindle crank in an older Specialized OSBB road frame (2014 and older). This bottom bracket is made of lightweight and durable aluminum with long lasting sealed cartridge bearings.

• 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 Specialized Road (OSBB) frames
• Not for BB30, 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