Altis Sigma Review – 98V and 22kW of Power on the Trail

The Altis Sigma is the newest and baddest e-moto in town, pushing out a peak power of 22.5kW from the first 98V battery on the market. It’s got a claimed range of around 40-50 miles (which I estimated but did not fully test), and some top quality components and features.

Overall, it’s a very impressive bike for $5500.

One thing I love about bikes like the Sigma is that they’ve gotten rid of all the mountain bike components. Everything from the brakes to the suspension to the wheels is proper dirt bike stuff.

Most people throw out those mountain bike parts, anyway and swap them the second they buy a new bike. Buying a new e-moto for $5500 and not feeling the need to change anything feels really good.

A few notes on weight and size up front, before I get into the ride: The weight of my bike was actually closer to 200 pounds, and you can feel it’s on the heavier side because it doesn’t have the same light-on-its-feet agility that other bikes in this price range have.

Also, because the rear seat sits so high, your legs can kind of do that chicken wing thing if you’re a taller rider. The handlebars are very close to your knees when you sit down, so it’s a tight-feeling bike, which is okay, unless you’re over six-foot-two.

“These specs are kind of insane for the money. Three years ago, if you wanted to be king of the ride, you had to have a 72V Surron with 17kW of power that cost ten grand to build.”

On the trail, I got used to that extra weight really fast, and found that the suspension is excellent.

On the speedometer, I hit 115 kph, or around 71.5 mph, but speedometers can exaggerate. As you’ll see in the video review, I take it on some fast and fun trails, full throttle in race mode.

I have been very excited to ride this bike, it’s been all over the headlines, everyone’s talking about it, and it does not disappoint. The Altis Sigma knocks out 600 Nm of torque and 22.5 kW of power and you can feel all of it.

These specs are kind of insane. Three years ago, if you wanted to be king of the ride, you had to have a 72V Surron with 17 kW of power that cost ten grand to build.

This is just my preference, but on the more technical trails, I wish I had the MX with a 16 inch rear wheel. 

The benefit of having a 16 as opposed to the 19 on the back that’s on the standard version is that you just have much more traction, feel, and control of the back tire when you’re riding off-road. 

I’m picky about my setup, but the 19-inch CST tires are perfectly fine, although you might need to replace them after a few hard rides. 

And the wheels, like the rest of the bike, just seem a little bit stronger and higher quality compared to the cheaper competition, and that definitely goes for the suspension as well. 

The Sigma features a gearbox instead of the typical belt drive you’ll find on some of the cheaper bikes. The good thing about a gearbox is that they’re just a lot stronger and will last a lot longer, and they’re more suited for an e-moto like this that’s knocking out a lot of power. 

You also get a hairpin motor instead of the typical brushless motors. I’m no expert, but apparently Teslas use hairpin motors, so that’s good. 

Ah, but wait, it gets better. You also get proper motorcycle style brakes on the Sigma, with nice, thick 3 millimeter rotors that stop on a dime. I didn’t notice any brake fade whatsoever during my ride. 

One awesome feature on this bike that I wish every other manufacturer would copy is that you can go into the settings without having to download an annoying app. 

You can adjust throttle response, regen settings, and even turn off and on the tilt and brake sensors. 

I love the throttle curve on this bike – it’s so perfectly dialed in for a bike with this much power. You can definitely get yourself in a lot of trouble on this bike if you’re a beginner. 

The only dislike I had was that this bike could be a bit bigger, it felt a little cramped, but that was only my experience. I might bring those pegs down a bit for some more leg room if I owned this bike. 

Overall, for the price, the Altis Sigma really does set a new standard for quality components. It’s going to be interesting to see how it further heats up the competition moving forward.

I rode a preproduction model and can’t wait to ride the full production version of this thing because I kept saying, “wow, this is amazing and the production version’s going to be even better.”

Thanks to Voro Motors for letting us ride their Sigma and for sponsoring our video. They’ve got a fantastic team of guys out in LA, and they’re definitely the place to pick up your Sigma. 

If you want to learn more or buy your own Sigma, hit the link below and help me feed my cats!