The Yellow Square thumb throttle is a replacement accelerator for electric scooters that owners can fit themselves: its 15 cm lead ends in a 3-pin plug that goes into the controller without soldering. It mounts on a 22 mm handlebar, has an anti-slip pad, a return mechanism and a hard-wearing ABS body.
Specifications
| Feature | Details |
|---|---|
| Part type | Accelerator (thumb throttle) |
| Intended for | Electric scooter |
| Product kind | Components |
| Connection | 3-pin connector |
| Lead length | 15 cm |
| Handlebar diameter | 22 mm |
| Button | Anti-slip pad, return mechanism |
| Material | Hard-wearing ABS plastic |
| Installation | Into the controller, no soldering |
| Range colours | Blue, red, grey |
| Condition | New |
What you get
- A repair you can do yourself — the 3-pin plug goes into the controller, no soldering.
- Proper fit — sized for a 22 mm handlebar.
- Reliable throttle release — the return mechanism resets the trigger when your thumb lifts.
- Steady thumb — anti-slip pad on the button.
- Long-lasting housing — hard-wearing ABS plastic.
- Lead with slack — 15 cm to the controller connector.
Who it is for
Riders who maintain their own Xiaomi electric scooter and want to replace a cracked or faulty throttle at home instead of visiting a workshop.
Who should look elsewhere
Owners of scooters with a different handlebar diameter or throttle connector. If the scooter ignores the throttle because of the controller or damaged wiring, a new throttle will not help.
Use and compatibility
Replacing the throttle (speed-control trigger) on an electric scooter. How to swap it:
- Switch the scooter off.
- Unplug the old throttle from the controller and remove it from the handlebar.
- Fit the new throttle on the 22 mm handlebar.
- Push the 3-pin plug into the same socket.
Compatibility according to the supplier: Xiaomi electric scooters — Mi Scooter M365, Mi Scooter Pro, Mi Scooter Pro 2, Mi Scooter 1S, Mi Scooter Essential, Mi Scooter 3, Mi Scooter 4 Pro — and scooters with a 22 mm handlebar.
What's in the box
A thumb throttle (accelerator) with its lead and 3-pin plug. The supplier does not mention mounting hardware.
Questions and answers
How do I replace the throttle myself?
Switch the scooter off, unplug the old throttle from the controller and take it off the handlebar. Fit the new one on the 22 mm bar and push its 3-pin plug into the same socket; no soldering is needed.
What does the return mechanism do?
It brings the trigger back to rest as soon as you lift your thumb, so acceleration stops on its own.
Does it fit the Mi Scooter 4 Pro?
Yes, the Mi Scooter 4 Pro is on the supplier's compatibility list together with the M365, Pro, Pro 2, 1S, Essential and 3.
Should I replace the throttle if the scooter will not move?
Only if the throttle itself is faulty. If the problem is in the controller or wiring, a new throttle will not solve it.
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