The Shims are based on industry standard BB30 bottom bracket shells and are easy to install and machined for exact fit. You will need the 6806 bearings already installed into the BB30 shell to start this conversion.
Please Note - Not compatible with Cannondale Synapse Frames from 2015 due to a wider BB Shell.
Run Shimano Hollowtech-II cranks in your BB30/PF30 frame. This system will adapt any 24mm NON TAPERE..
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