Feature:1. Applicable Model: Aluminum alloy rear brake diskis suitable for LOSI 1 or 4 Promot MX Electric Motorcycle. It closely fits the original machine hole position with accurate shape and size.2. Modern Metal Design: The rear brake disk for LOSI 1:4 Promoto MX Motorcycle adopts a modern metal design, with eddy current carving on the outer ring, which is more realistic.3. Aluminum Alloy Material: Motorcycle rear brake disc is made of aluminum alloy material. It t is durable, abrasion resistant, has high strength and a more refined appearance.4. Aluminum Alloy Rear Brake Disc Rotor: In addition to aesthetics, aluminum alloys do not bend like plastic under pressure or high environmental temperatures.5. Installation and Disassembly: The installation and disassembly of the rear brake disc is convenient, and you can directly replace the original plastic parts or damaged parts to obtain higher strength.Specification:Item Type: Rear Brake Disk For LOSI 1:4 Promoto MX MotorcycleMaterial: Aluminum AlloyWeight: Approx. 7g or 0.2ozApplicable Model: Suitable for LOSI 1 or 4 Promot MX Electric Motorcycle.Package List:1 x Brake Disk