Rear-view mirrors with shank provided with a thread M10 x 1.25 mm right (adapter included with filettatira M10 x 1.25 mm left). The mirrors are approved and of high quality in aluminum and chrome. Part of FORNIRUTA: 1 pair of mirrors with thread M10 x 1.25 mm right 1 adapter with thread M10 x 1.25 mm left measures: total dimension in width: 185 mm total height: 190 mm diameter mirror: 100 mm length of the shank ca. 180 mm for knowing the thread suitable to your bike click on the button "instructions".