Feature:1. Aluminum Alloy: Made of premium aluminum alloy material, this electric bike drum brake is sturdy, durable and not easy to rust and corrosion. Has a long service life.2. Complete Accessories: The brake set for electric bike comes with complete small accessories including keys, which is convenient for installation and use.3. Easy to Install and Disassemble: Strong practicability, simple operation. It is convenient for you to install and remove, saving you time and effort. Convenient and practical.4. Lightweight and Portable: This drum brake set for electric bike is lightweight and easy to carry. A great replacement for your old or broken one.5. Reliable: The electric bike servo brake assembly is reliable to use. Owns higher stability and better durability, you can use this brake to increase performance of electric bike.Specification:ItemType: Electric Bike Drum BrakeMaterial: Aluminum alloyGross Weight: 710g / 25.0oz.Package List:1 x Brake4 x Accessories2 x Key