Wheels Mfg BB30 to 24mm Adapter
An elegant, lightweight and trouble-free solution for adapting 24mm standard cranks to new BB30-standard frames.
The Wheels Manufacturing BB30 Shim adapts 24mm Shimano Hollowtech II (or similar) cranks to work on BB30 frames.
Simply tap the adapters into the 6806 bearing in the BB shell, install the spindle and cranks.