Feature 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+.Condition: 100% Brand NewItem 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. .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 x Motorcycle Helmet Lock2 x Keys2 x Long Screw1 x Short Screw1 x GasketNoteProfessional installation is highly recommended!