Description: [Material]: Made of aluminum alloy, it is strong, rustproof and wear resistant, and has good stability. [Easy to Install]: Easy to install, fixed by 4 screws, quick manual disassembly, if you want to fold the scooter, it can be easily disassembled anytime without tools. [Feature]: The main function of the mounting clip is to reduce the vibration caused by looseness, making the scooter more stable, and the driving experience more comfortable and . [Function]: By providing additional support for the base of the scooter, it can effectively reduce the impact on the base during driving, reduce shaking, and prolong the service life of the parts at the same time. [Compatibility]: Specifically designed for the ninebot G30 MAX series electric skateboards. Specification: Material: aluminum alloy Size Chart: 10cmx4.9cmx5.8cm/3.94inchx1.93inchx2.28inch Package Includes: 1 fixed buckle with screw nut Note: Please allow slightly errors 1-2cm differences due to manual measurement.