The Yellow Square throttle is a red thumb accelerator for Xiaomi electric scooters — Mi Scooter M365, Pro, Pro 2, 1S, Essential, 3 and 4 Pro — and for scooters with 22 mm handlebars. It has a hard-wearing ABS plastic body, an anti-slip pad, a return mechanism and a 15 cm lead with a 3-pin plug that connects to the controller without soldering.
Specifications
| Parameter | Value |
|---|---|
| Part type | Accelerator (throttle) |
| Intended for | Electric scooter |
| Product kind | Components |
| Colour | Red |
| Material | Hard-wearing ABS plastic |
| Connection | 3-pin connector |
| Lead length | 15 cm |
| Handlebar diameter | 22 mm |
| Button | Anti-slip pad, return mechanism |
| Installation | Plugs into the controller, no soldering |
| Condition | New |
What you get
- Solder-free repair — the 3-pin plug connects straight to the controller.
- Self-returning trigger — the return mechanism cuts acceleration the moment you let go.
- Secure thumb grip — an anti-slip pad on the button.
- Enough cable — a 15 cm lead reaches the connection point.
- Correct fit — sized for a 22 mm handlebar.
- Durable body — red hard-wearing ABS plastic.
Who it is for
Owners of Xiaomi electric scooters whose original throttle has cracked, sticks or no longer responds, and repair technicians who keep common spares for these models.
Who should look elsewhere
Riders whose scooter has a different handlebar diameter or a throttle connector other than 3-pin. If the fault is in the controller or wiring, a new throttle will not fix it.
Use and compatibility
Replacing the throttle (speed-control trigger) on an electric scooter. 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 red throttle (accelerator) with its lead and 3-pin connector. The supplier does not list any mounting hardware.
Questions and answers
Do I need to solder anything?
No. The throttle connects to the controller through a 3-pin plug.
Will it fit a Mi Scooter Essential or 1S?
Yes, the supplier lists Mi Scooter M365, Pro, Pro 2, 1S, Essential, 3 and 4 Pro, plus scooters with a 22 mm handlebar.
How long is the lead?
The lead is 15 cm long and ends in a 3-pin plug.
What other colours are available?
The range comes in blue, red and grey; this listing is red.




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