Feature: 1. Made of high quality aluminum alloy, it is durable, strong and not easy to fade. 2. Comes with 2 keys for much convenience, and you can put one as a spare set. 3. Easily lock and leave without worrying about someone stealing your helmet. 4. This motorcycle helmet lock is a small tool to hang and hook your helmet safely. 5. Stable performance and high reliability, especially designed fit for 125/250/390 2017+. Specification: Condition: 100% Brand New Item Type: Helmet Lock Material: Aluminum Alloy Optional Color: Red, Orange, Yellow, Green, Blue Bottom Mounting Bracket Size: Approx. 153 x 30 x 30mm / 6.02 x 1.18 x 1.18in Screw Hole: Approx. 10mm / 0.4in, 9mm / 0.4in Center Distance Between 2 Screw Holes: Approx. 50mm / 2in Helmet Lock Flat Size: Approx. 62 x 22 x 40mm / 2.44 x 0.87 x 1.57in Lock Cylinder: Approx. 6mm / 0.2in Fitment: Fit for 125 2017 - up Fit for 250 2017 - up Fit 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.. Package List: 1 x Motorcycle Helmet Lock2 x Keys2 x Long Screw1 x Short Screw1 x Gasket Note: Professional installation is highly recommended!