Package Dimensions: 11.1 x 10.7 x 1.5 cm; 70 Grams Position: Front Item Weight: 70 g Fitment: For Yamaha R6 1999-2008, 2010-2022; For Kawasaki ZX6R 2001-2004, 2009-2015; For Kawasaki NINJA650 2016-2021; For NINJA400 2018-2022; For NINJA250 2013-2022; For NINJA300 2013-2022; For NINJA250sl 2014-2022; For ZX-25R 2021-2022. The distance between the mounting holes of the mirror base is 4.5 cm / 1.77 inches. Please check the mounting hole size of the mirror bases before ordering. Specifications: Condition: aftermarket item Material: High quality billet aluminum, corrosion-resistant and moisture-resistant Color: Available in Black, Red, Green, Gold, Titanium (as shown in images) Installation: Easy to install. No drilling required. Contact seller for installation support if needed. Product Description: This motorcycle mirror base serves as a direct replacement for the original mirror wind wing base. It can also be used as a standalone cover plate to seal the mirror hole when the mirror is removed. Notes: - The package does not include installation instructions. For assistance, consult a professional mechanic. - Color may vary slightly due to lighting and screen resolution differences. - Slight dimensional variations may occur due to manual measurement. Fitment: Compatible with Yamaha R6 and Kawasaki ZX6R, ZX-25R, NINJA650, NINJA400, NINJA250, NINJA300, NINJA250sl. Verify mounting hole size before purchase. Installation Size: Distance between mounting holes: 4.5 cm / 1.77 inches Material: High quality billet aluminum, corrosion-resistant and moisture-resistant Application: Rear-view mirror base accessory for motorcycle wind wings. Must be used with rear-view mirrors. Package Includes: 1 pair of motorcycle mirror bases