1.High strength aluminum alloy, sturdy, durable and anti-rust, safer for using. 2.Stylish and generous, the helmet lock will not affect motorcycle overall appearance. 3.Various colors for you to choose, it can satisfy different preference. 4.Covenient to store your helmet, effectively avoid your helmet of being stolen. 5.Practical accessory fits for RC125 RC390 RC250 Specification: Condition: New Item Type: Helmet Lock Material: Aluminium Alloy Optional Color: Black, Red, Orange, Yellow, Green, Blue Composition: Bottom mounting bracket (black part) + lock body (colorful part) Bottom Mounting Bracket Size: Approx. 120 x 40mm/4.7 x 1.6in Screw Hole: Approx. 9mm/0.4in Center Distance of Two Screw Holes: Approx. 100mm/3.9in Horizontal Helmet Lock Size: Approx. 62 x 22 x 40mm/2.4 x 0.9 x 1.6in Lock Pillar: Approx. 6mm/0.2in (Thickened, the silver part) Fitment: Fits for RC125 2014 - up Fits for RC390 2014 - up Fits for RC250 2015 - up PackageList: 1 x Helmet Lock2 x Key Note: Professional installation is strongly recommended