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
Wheels Manufacturing BB86/92 Outboard ABEC-3 BB for 24mm (Shimano) Cranks - Blac
Wheels Manufacturing Small Bearing Installation Press Press-2 Black - Used