2 x 7/8" Handlebar Clamp. Its modification part and Universal fit for most of Electrombile / Motorcycle / Electric Bicycle / Moped / Scooter / ATV with 10mm thread screw hole. Adjustable mirror head & joint allow mirrors to be placed at optimum angle - Includes right & left sided mirrors - Screw thread: 10mm/M10 clockwise.
eBay