Package Dimensions: 11.1 x 10.7 x 1.5 cm; 70 Grams Position: Front Item Weight: 70 g Fitment: For a certain brand R6 models from 1999 to 2018, for another certain brand ZX6R from 2001 to 2015, for a certain brand NINJA650 from 2016 to 2021, for NINJA400 from 2018 to 2022, for NINJA250 from 2013 to 2022, for NINJA300 from 2013 to 2022, for NINJA250sl from 2014 to 2022, and for ZX-25R in 2021 and 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: 100% Brand new aftermarket item. Material: High quality billet aluminum, which is corrosion-resistant and moisture-resistant. Color: 5 colors available, Black, Red, Green, Gold, Titanium (as shown in illustration). Installation: It is simple to install. No drilling required. If you have any installation problems, please feel free to contact us. Why Use Motorcycle Mirror Base? A perfect replacement for the original motorbike mirror wind wing base. It can also be used as standalone lock plates. When you remove the mirror, it can block the mirror hole. Notes: The product does not contain installation instructions. If you have any questions about that, we kindly recommend visiting a nearby mechanic for professional instructions. Color Difference: Due to the light and resolution setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to manual measurement. Fitment: Compatible with certain brand R6 and ZX6R, ZX25R, NINJA650, NINJA400, NINJA250, 300, NINJA250sl. (Please check the mounting hole size of the mirror bases before ordering.) Installation Size: The distance between the mounting holes of the mirror base is 4.5 cm/1.77 inches. Material: High quality billet aluminum, which is corrosion-resistant and moisture-resistant. Application: It is a base accessory for motorcycle rear-view mirror wind wings, which needs to be used in conjunction with rear-view mirror. Package Contains: 1 pair of motorcycle mirror bases.