Rear Brake Reservoir Hydraulic Foot Brake Pedal Lever Brake Hose Kit For Sting MX3 MX4 MX5 Electric Bike Motorcycle This brake kit is designed for compatibility with the Sting MX3 MX4 MX5 electric bike and motorcycle models.It includes a rear brake reservoir, hydraulic foot brake pedal lever, and brake hose.The components are engineered to work together to support braking performance.The pedal lever is built to fit standard mounting configurations and connects directly to the hydraulic system.The brake hose consistent fluid transfer from the reservoir to the caliper.Installation requires basic mechanical tools and knowledge of brake systems.The kit supports proper brake function when correctly assembled and bled. This is a non-OEM replacement part.Any trademarks or model numbers cited are used strictly to demonstrate compatibility.