Note: There are subtle differences between the controllers for the Zebra/ D5 cadence and D5 torque versions. Description: This item is HIMIWAY brushless motor controller, it can provide steady speed and sensitive control of braking and direction changes. Features: Application--It suitable for several models, choose the model you want. Premium Material--It made of aluminium alloy, this brushless controller is sturdy and durable. Sensitive Control--This item is a brushless motor controller, it can provide steady speed and sensitive control of braking and direction changes. High Performance--The wires and interfaces are durable, and ensure low malfunction of long time use. Easy to Use-- The interfaces have instruction labels on them for your easy installation.