Motorcycle Modification Aluminum Alloy Helmet Lock Mount Hook Fit for 125/250/390 2017+(Red ) Condition: Item Type: Helmet Lock Material: Aluminum Alloy 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.