Features: Premium aluminum alloy construction ensures superior anti theft performances for motorcycles and e bikes, combining lightweight durability with weather resistant protections against corrosions and physical tampering. Easy installation systems with solid cores structure and precisions lock cylinder enables instantly setup, offering enhanced anti prying capability while maintaining compatibility with most disc brake systems. Essential security solution for riders, daily commuters, and adventure travelers who require theft prevention during short stops or extended outdoor parking. Designed to safeguards motorcycles in high risk environments like crowded city centers, roadside parking zones, and expose outdoor areas vulnerable to theft attempts. Waterproof and dustproof engineering ensures consistent operations through rainstorms or muddy terrains, while universally fitment accommodates diverse motorcycle models without compatibility concerns. Specifications: Component: Aluminum Alloy Color:Black,Red Size:Approx.55mm/2.16''x45mm/1.77'' Package Includes: 1Piece Disc Brake Lock 2Pcs Key 1Piece Installation Bracket note: Please allow 1mm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual color of the item.