Motocycle Bundle Insta360 ONE R, ONE X and ONE Sports Video Action Camera Sports Accessory Motorcycle BundleThe compatible diameter range of handlebar is 0.89cm~2.8cm (0.35in~1.1in);When using the extension rod, be sure to stick a stability insert to the screw points;Keep the thumb screws on the same side when using two extension rods, and keep them straight. Your shot will be cleaner!Apply the 3M stickers 24hrs in advance to a smooth surface at room temperature, make sure you press your mount firmly onto the sticker.Make sure you keep the screws nice and tight with the provided wrench.