1Made of high quality aluminum alloy, it is durable, strong and not easy to fade. 2Comes with 2 keys for much convenience, and you can put one as a spare set. 3Easily lock and leave without worrying about someone stealing your helmet. 4This motorcycle helmet lock is a small tool to hang and hook your helmet safely. 5Stable performance and high reliability, especially designed fit for 125/250/390 2017+.1 x Motorcycle Helmet Lock2 x Keys2 x Long Screw1 x Short Screw1 x GasketCondition: Item Type: Helmet LockMaterial: Aluminum AlloyOptional Color: Red, Orange, Yellow, Green, BlueBottom Mounting Bracket Size: Approx. 153 x 30 x 30mm / 6.02 x 1.18 x 1.18inScrew Hole: Approx. 10mm / 0.4in, 9mm / 0.4inCenter Distance Between 2 Screw Holes: Approx. 50mm / 2inHelmet Lock Flat Size: Approx. 62 x 22 x 40mm / 2.44 x 0.87 x 1.57inLock Cylinder: Approx. 6mm / 0.2inFitment: Fit for 125 2017 - upFit for 250 2017 - upFit for 390 2017 - up What is the problem solved by this product?1. After parking, the helmet is not convenient to carry;How inconvenient it is to carry a helmet with a locomotive owner when strolling around the city centre, walking on the beach or shopping!2, placed on the locomotive, will be stolen if you are not careful;If your car is equipped with a helmet lock, you can directly lock the helmet on the locomotive, mainly without worrying about the theft of the helmet;The original car open mold design, the installation of the helmet lock will not affect the appearance of the locomotive! It is the best choice for locomotives. 1Made of high quality aluminum alloy, it is durable, strong and not easy to fade. 2Comes with 2 keys for much convenience, and you can put one as a spare set. 3Easily lock and leave without worrying about someone stealing your helmet. 4This motorcycle helmet lock is a small tool to hang and hook your helmet safely. 5Stable performance and high reliability, especially designed fit for 125/250/390 2017+.1 x Motorcycle Helmet Lock2 x Keys2 x Long Screw1 x Short Screw1 x Gasket