40 MPH Meet the Globalkeep MA-S Electric Dirt Bike

40 MPH. 4000W. 250 N·m of torque.

Those are probably the first numbers you'll notice when you come across the Globalkeep MA-S Electric Dirt Bike. And yes, they sound impressive—but there's more to the MA-S than a list of specs.

What caught my attention is how everything comes together. You've got a large battery, 20 × 4.0-inch tires, full suspension, hydraulic brakes, and some useful smart features. Put it all together, and the MA-S is clearly aimed at riders who want to spend more time outside and less time sticking to paved roads.

So, What Is the MA-S?

At its core, the MA-S is a high-power electric dirt bike.

It uses a 4000W peak motor with 250 N·m of torque and a claimed top speed of 40 MPH. That gives it the kind of power you'd expect when riding on hills, dirt, gravel, or other less predictable surfaces.

It's not really trying to be a small commuter bike. The whole setup feels much more focused on outdoor riding.

The Tires Make a Difference

One of the things that stands out right away is the 20 × 4.0-inch tires.

They're big, wide, and made for more than smooth pavement. Whether you're riding across dirt, gravel, grass, sand, or rough trails, the wider tire setup gives the MA-S a more substantial feel.

Then there's the 6-point full suspension.

If you're planning to spend time on uneven trails, suspension matters. It helps take some of the harshness out of bumps and gives the bike a more controlled feel when the surface gets rough.

What About the Battery?

The MA-S comes with a 60V 40Ah battery, giving it 2400Wh of capacity.

Globalkeep lists up to 160 miles of range in Eco Assist mode. Of course, that's a claimed maximum, and your actual range will depend on how and where you ride.

Still, the battery is one of the bigger parts of the MA-S package. For longer outdoor rides, having that much capacity gives you more freedom to explore without constantly thinking about charging.

A Few Extras That Are Worth Mentioning

The MA-S also comes with dual hydraulic disc brakes with 180 mm rotors, along with a claimed climbing capability of up to 50°.

Then there’s APP + NFC technology.

You can use the smart system for things like keyless unlocking and smartphone connectivity. It's not the main reason I'd look at an electric dirt bike, but it's a nice touch and makes the bike feel a little more modern.

Who Might Like the MA-S?

The MA-S is designed for riders around 5'5" to 6'9" and has a maximum payload of 500 lbs.

At about 95.2 lbs, it's definitely not a lightweight bike. But that also makes sense when you look at what it's built around—large tires, a big battery, full suspension, and a high-power motor.

If your idea of a good ride is heading down a dirt trail, climbing a hill, crossing gravel, or simply finding somewhere new to explore, the MA-S fits that kind of riding much better than a typical city e-bike.

MA-S Specs at a Glance

Final Thoughts

After looking at the MA-S as a complete package, I think its appeal is pretty straightforward.

It's not trying to be a lightweight commuter or a basic e-bike. It's a bigger, more powerful electric bike aimed at riders who want to explore beyond the pavement.

The 40 MPH top speed gets your attention, the 4000W motor gives it plenty of power, and the fat tires and suspension complete the off-road-focused setup.

But sometimes you can learn more by actually seeing a bike than by reading a page full of numbers.

Check out the video below for a closer look at the Globalkeep MA-S and see what this electric dirt bike looks like in action.

Globalkeep MAS — Ride Farther. Ride Stronger. Ride Free.

Free Shipping | No Hidden Fees | Order Today