Electric Bicycle Thumb Throttle WUXING, FT-21X Finger Throttle, 12-72V Universal,Speed Control for Ebike Pocket Razor Scooter Accessories Part, (Normal Plug (SM-3Y)) - YUNNY Ebike Kit Store

• Voltage Compatible：Adapt to 12V-72V electric bike or electric scooter controller，is a consistent quality cycling accessories Line length:The SM Plug cable length is 180 cm (70 inch) ,Waterproof Plug cable length is 25cm(9.8 inch), Please pay attention(Attention) waterproof connector can't connect to the controller directly,need a 1 to 4 Bus-cable. Easy installation:Easy to install on 22.5mm diameter handlebar. 130X thumb throttle thumb has simplify installation steps, no modification, cutting, or drilling required. Can be used after installation Signal Line Definition：The connector is 3pin(SM-3Y). There are three wires in total, namely red, black, and blue. Red is the positive pole, black is the negative pole, and blue is the signal wire.The same is true for waterproof plug Size Compatible：FT21X thumb throttle compatible with most electric bike with φ22.5 mm handlebar，most bicycle electric for adults，electric mountain bike，folding bike and some electric scooter can be used.