Clear vision, driving safety-Adopted6.1 inch super large convex glass lens,It will supply you high definition, wider vision, simply seeing the upcoming car via our motorcycle rear view mirror and know the situation behind, helping to ride safely Heavy Duty Structure-High strength impact ABS shell, genuine oversize 6.1inch convex mirror, using 11.5MM steel mirror rod. It is shockproof, shakeproof, corrosion resistant and suitable for all weather condition Adjustable Angel-Ball joint, 360 degrees rotation head, allows you to freely adjust it up & down or left & right for the best comfortable viewing angle Easy Installation & Widely Compatible-Simple installation with 10mm clockwise threaded bolt and 7/8″(22mm) handlebar mount clamps, designed for most brands of motorbike, Dirt Bike, BMX Bicycle, Street Bike, ATV, and Scooter, etc. CAUTION: Pls confirm the size carefully before ordering Product Description Suitable for: This motorcycle mirror with the 10mm clockwise thread bolt