[Wide Compatibility] Clockwise threaded screws include 2 x 8mm and 2 x 10mm, while reverse threaded screws include 1 x 8mm and 1 x 10mm. These motorcycle rearview mirrors are compatible with Z650, Z900, Z1000, Tuono V4/1290, Super Duke 200, 250, 390, 690, 790, and other models. Please refer to the product details page for specific model years. [Aerodynamic Design] The mirror folds into a wing when closed and functions as a rearview mirror when open. The aerodynamic design enhances the bike's horizontal styling, with a 25-degree wing angle relative to the ground, providing a sleek, linear appearance. It generates downforce to improve motorcycle grip and handling, especially at high speeds. Suitable for most models with mounting holes on the front windshield. Please verify hole spacing before purchase. [Design] When not in use, the rearview mirror can be rotated into a wind wing to increase downforce, improve stability, and enhance the motorcycle’s appearance. [Quality] Made from high-grade aluminum alloy, this rearview mirror is durable, corrosion-resistant, and built to last. Color: Black Material: Aluminum Alloy Package Contents: 2 x Rearview Mirror 1 x Installation Kit Note: Light reflection and differences in display screens may cause slight variations in color between the image and the actual item. Measurement may vary by +/- 1-3 cm.