Features: brand new and high quality Application: This Electric Scooter Brake Device is designed for M365 electric scooter. Premium Material: This Electric Scooter Disc Brake is made of high quality Metal material, strong, no rust, wear resistant and long service life. Good quality not only can provide a safer guarantee- for your life, but also good materials can increase product life. High Performance: This Scooter Disc Brake is manufacted accoring to strict standards, Built to meet standard specification, strictly follow factory quality control. Long life and durable.Good performance. Increasing your brake safety. Easy and Convenient installation: This Electric Scooter Brake Device is easy to install and remove, no need complicated tools, convenient for using. Can be installed in a short for time. Standard Specification: This Electric Scooter Brake conforms to strict quality control standards, dependable to use. Built to meet standard specification, strictly follow factory quality control. Specifications: Material:Metal+ABS 5 Hole Diameter: Approx.11cm/4.33inches 6 Hole Diameter: Approx.12cm/4.72inches for M365 Package Includes: 1x Brake Lever 1x Disc note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thanks for your understandings.