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⚡ Upgrade your e-ride — power, protection, and performance in one sleek controller!
The WOOSTAR Motorcycle Speed Controller is a 48V, 1000W replacement unit designed for electric scooters, e-bikes, bicycles, and tricycles with brushed DC motors. Featuring under-voltage protection at 20V and a current limit of 21A, it ensures safe, reliable, and efficient motor control. Lightweight and metal-built, it offers seamless compatibility (excluding Razor E300S) and comes with comprehensive customer support for hassle-free installation.















| ASIN | B07LF9NS12 |
| Best Sellers Rank | 10,836 in Business, Industry & Science ( See Top 100 in Business, Industry & Science ) 11 in Motor Speed Controllers |
| Brand | WOOSTAR |
| Country Of Origin | China |
| Customer Reviews | 3.9 out of 5 stars 172 Reviews |
| Horsepower | 1000 Watts |
| Item Weight | 0.25 Kilograms |
| Item weight | 0.25 Kilograms |
| Manufacturer | WOOSTAR |
| Manufacturer Part Number | YL-A90-CO |
| Material | Metal |
| Model Number | YL-A90-CO |
| Number of Items | 1 |
| Number of items | 1 |
| UPC | 791270653057 |
| Unit Count | 1.0 count |
| Voltage | 48 Volts |
| Wattage | 1000 watts |
C**N
Works but wiring differences from my old one
It worked but I needed to repin the wires in a few places. Don't assume the power and ground are correct for your application.
S**S
Very impressed
Perfect I’m running 62v battery’s on this on my quad works really well
A**N
Brilliant
Brilliant
B**.
Wrong item wont operate.
Posted through letterbox with a thud. Not what it says. Wrong wiring, this has a 3 cable lcd speedo, lap, time,etc set up and an extra single black cable,also yellow n blue motor cables very thin and normal pair of thick with different plugs on 4 sets of extra wires, I hope this makes sense.
A**N
Ok
Moped
W**.
Need it replaced
It is not the item I ordered the wiring diagrams has extra connection I need the one that was ordered need to return and replace with proper item
W**E
Alles super
Alles super
K**I
Au top
Fonctionne parfaitement . Livraison rapide
G**U
Controller di velocità, perfettamente compatibile e montata in pochi minuti
Controller di velocità, l'ho montato in pochi minuti su un kart elettrico alimentato in corrente continua a 48 Volt, senza alcun tipo di problema di compatibilità con gli altri accessori, come ad esempio il pedale dell'acceleratore già presente sul kart. Utilizzato per qualche ora, non ha dato finora alcun tipo di problema. Approvato.
A**O
Vaie muito comprar na amazon
A minha encomenda foi super rápida, muito bem embalado, era o que estava prescrito já instalei funciona a 💯%
M**X
Returned
O sent it back didn't have same to lugs so I'd had to cut wire it still under warranty so I didn't want to do that
Trustpilot
3 days ago
2 weeks ago