Electric bike expansive Servo Brakes

1.Electric scooter Expansive servo brakes; 2.we have many series of these parts and have different mode for you choose; 3.It fit for 20-30Km/h,and for Japanese brand (karasawa brakes);after assembly Electric bike brakes we did plating. 4. We are a Japanese Independent enterprise,and we have more than 90years specializing in producing brakes for bike ,electric cycles,and wheelchairs. LOOK!!! We are a Japanese enterprise,and also is one of the master manufactories in brakes for bike,electric scooter,wheelchair parts in China; we have 90 years' in this fields;so we hope we can be established a great business relationships with you and your friends from the GLOBAL.