These shims press-fit directly into existing 6806 BB30 bearings.
Wheels Manufacturing Adapter BB30 to 24mm Cranks, fits Shimano. WMBB30-SHIM
Wheels Manufacturing BB30 To 24mm Shimano Adapter Cups
Wheels Manufacturing BB30 Outboard Wheel Set 24mm Shimano
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Wheels Manufacturing Shimano Cromoly Rear Wheel Axle Solid 10mm x 1 174mm
Wheels Manufacturing Shimano Cromoly Rear Wheel Axle Spindle Hollow 10mm Thread