Create Account
Sale Shop By Brand My Account

Road    Bottom Brackets

Wheels Manufacturing BB30 to Shimano BB Adapter

This adapter is required if you want to install Shimano 24mm HollowTech II cranks on a BB30 frame. In case you are wondering, a BB30 spec frame has a 42 inner diameter BB shell and a Pressfit 30 frame has a 46mm inner diameter BB shell. Made from lightweight Delrin. Does not include bearings so order those if you don't already have them.


  • 47 grams
  • Made from lightweight Delrin
  • Allows the use of 24mm Shimano HollowTech II cranks on a BB30 frame

Works on BB30 frames only - (i.e does not work on Pressfit30 frames)

Reg Price $29.95
Item #: 135420 Weight: 45g
Item is in stock