- Run Shimano HollowTech-II cranks in your BBRight frame
- Shims are based on industry standard BBRight bottom bracket shells
- Easy to install and machined for exact fit
- Shims press fit directly into BBRight bearings
- You will need the BBRight bearings already installed into the BBRight shell to start this conversion
- Removal is the opposite of installation
- You may need to gently tap them out from the opposite side