Version 4 Controller Model CEM80A or BGLYM16 that has one Large Yellow Plug Connector for the 24 Volt Trail Maker, Trail Climber, X-Cursion, Malibu & Newport Electric Bikes.
If you controller has a Large White Plug Connector, see part 24VMTN-220-3.
This controller can likely be fitted with most any 24 volt electric bicycle. These controllers are fairly simple. They have a red and black wire for 24 VDC input and they have several output wires which connect to: Throttle - PAS - Left Brake Safety Switch - Right Brake Safety Switch - Motor