- 5/16" - 18/10mm adapter - Mount mirrors on a wide variety of import cruisers-style motorcycles or any other motorcycle with 10mm mirror adapters. - Order special right-hand reverse thread adapter for mounting mirrors to right side of Yamaha models (part number DS-302149).

Sold as a pair of 2

Note: 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.