Mount on a wide variety of import cruiser-style motorcycles or any other motorcycle with 10 mm mirror mounts When installing Whisker lights, adapters have to be drilled through the center with a 1/8" bit to allow electrical wires to exit mirrors. Bottom of hole in hand controls may have to be drilled as well. Chamfer edges of holes to prevent insulation chafing.. ADAPTER STLTH MIR RH BLK