uxcell a15121400ux0417 2pcs Black Motorcycle Street Bike Rear View Side Mirrors 10mm/8mm, 2 Pack Universal fits most Cruiser street bike motorcycle with 10mm/ 8mm thread Material: plastic mirror housing + aluminum stem; Color: Black; Quantity: a pair The size of mirrors: 14 x 5. 5 cm/ 5. 5 x 2 inches Flat glass mirror: Offers more realistic size and distance of objects in the mirror Easy to install, no modification is required.