Feature 1Quality aluminum alloy, high strength, firm, durable and anti-rust, safe to use. 2Original standard, generous styling, the helmet lock will not affect motorcycle overall appearance. 3Different colors for you to choose, it can satisfy different preference. 4Covenient to store your helmet, and effectively avoid your helmet of being stolen. 5Practical accessory fits for Yamaha YZF R1M/R1S/R6Condition: 100% Brand NewItem Type: Helmet LockMaterial: Aluminium Alloy Optional Color: Black, Red, Orange, Yellow, Green, BlueComposition: Bottom mounting bracket (black part) + lock body (colorful part)Bottom Mounting Bracket Size: Approx. 105 x 75mm/4.1 x 3inScrew Hole: Approx. 9mm/0.4inCenter Distance of Two Screw Holes: Approx. 60mm/2.4inHorizontal Helmet Lock Size: Approx. 62 x 22 x 40mm/2.4 x 0.9 x 1.6inLock Pillar: Approx. 6mm/0.2in (Thickened, the silver part)Fitment: Fits for Yamaha YZF R1M 2015-2018 Fits for Yamaha YZF R1S 2015-2018 Fits for Yamaha YZF R6 2017-2019 .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 Helmet Lock2 x Key2 x Black GasketNoteProfessional installation is strongly recommended