5/16" Harley-Davidson Mirror Stem Adaptors Fit 10mm Yamaha Bikes

Mirror stem adaptor so you can fit those fabulous american Harley/Kuryakyn 5/16" mirrors to your Yamaha 10mm stem holes. Includes left hand thread adaptor for right hand side. Made by Kuryakyn, locknuts allow the mirror to be positioned for maximum effectiveness. Sold in pairs.