AdmitJet Armor Review: The 20,000W Electric Dirt Bike With a 4-Speed Gearbox

Most electric dirt bikes have one gear and no clutch. The AdmitJet Armor is different. It pairs a 20,000W motor with a 4-speed gearbox, a clutch and even a reverse gear, in a full-size chassis built for long trail days and rough terrain. In this review we explain how that gearbox works, what the bike is like to ride, how far it goes and who it suits best.

We stock and support the AdmitJet Armor at our Middletown, NY showroom, and it is one of the bikes riders ask about most because it is so unusual. Prices on this page update automatically from our store.

AdmitJet Armor at a glance

What is the AdmitJet Armor?

AdmitJet is an electric motorcycle maker based in Nanjing, China. The Armor launched in 2023 as the brand’s flagship, and AdmitJet describes it as an electric adventure bike. In practice it sits between a full-size trail bike and a light adventure motorcycle: tall, roomy and strong enough to carry bigger riders over long distances.

The headline feature is the transmission. Instead of a single fixed ratio, the AdmitJet Armor has neutral, four forward gears and reverse, with a clutch lever like a gas bike. That gives it strong low-speed pulling power in first gear and a high top speed in fourth, a combination that single-speed electric bikes struggle to match.

AdmitJet Armor specs

The 4-speed gearbox explained

Electric motors make huge torque from zero rpm, so most electric dirt bikes use one fixed ratio. The trade-off is that the gearing has to balance acceleration against top speed. Gear the bike short and it climbs well but tops out early. Gear it tall and it is fast on open roads but less punchy in tight terrain.

A gearbox removes that compromise. In first and second gear, the AdmitJet Armor multiplies the motor’s torque for steep climbs, rock gardens and slow technical sections. In third and fourth, it stretches out for fire roads and open terrain, which is how it reaches its high top speed. The 0 position is neutral, which is handy when you are pushing the bike or waiting at a trailhead.

Reverse is the other big practical benefit. On a 238 lb bike, being able to back out of a dead-end trail, a ditch or a tight parking spot without wrestling the bike is a real help, especially for shorter riders.

Shifting feels familiar if you have ridden a gas bike: you pull in the clutch, select the gear and ease the clutch out. Unlike a gas engine, the electric motor cannot stall, so the clutch is mainly a tool for controlling traction and wheel spin rather than keeping an engine running.

Power, torque and top speed

The 20,000W motor is rated as the bike’s maximum continuous output, and AdmitJet quotes peaks above 25 kW. Through the gearbox, wheel torque reaches up to 1,000 N·m in the low gears, which is far more than single-speed bikes in this weight class can put down.

Top speed is about 78 mph, with AdmitJet quoting up to 130 km/h (around 81 mph) under ideal conditions. Real-world speed depends on battery charge, rider weight, wind and terrain. For most riders the bigger story is the flexibility: you can crawl up a rocky climb in first gear, then shift up and cruise comfortably on a gravel road.

AdmitJet Armor battery options, range and charging

The AdmitJet Armor comes with a 72V lithium battery in three sizes: 50Ah, 60Ah and 70Ah. In our store the 50Ah version is the base price, with the larger packs costing more. The 70Ah battery gives the longest range, up to 81 miles, though aggressive riding in the high gears will use energy faster.

Charging takes about 5 hours with the standard charger, so most owners charge overnight. The battery is swappable and sits in a waterproof case, which makes it practical to carry a spare for long adventure rides or to charge indoors.

Which battery should you choose?

• 50Ah: the lowest price, fine for shorter trail rides and local riding.
• 60Ah: a good middle ground for most riders and mixed terrain.
• 70Ah: the best choice for long trail days, bigger riders and adventure trips.

Water resistance: what IPX6 means

The bike carries an IPX6 rating with waterproof connectors. IPX6 means the electrical system is protected against powerful jets of water from any direction, so rain, puddles and splashes from water crossings are not a problem.

IPX6 does not mean the bike can be submerged. Avoid deep river crossings where water could rise over the motor or battery, and do not aim a pressure washer directly at the electrical parts when you clean it.

AdmitJet Armor chassis, suspension and brakes

The AdmitJet Armor is built on an aluminum alloy frame with full-size wheels: a 21 in front and an 18 in rear, the same sizes used by most enduro and adventure bikes. That gives you a huge choice of tires, from knobby off-road tread to dual-sport rubber for mixed riding.

With a 35.43 in seat height and 12.51 in of ground clearance, it is a tall bike, so shorter riders should try one before buying. The 56.06 in wheelbase keeps it stable at speed, and the roughly 330 lb max load means it suits bigger riders and riders carrying gear. Disc brakes at both ends handle the stopping, and an LED headlight helps on early starts and late finishes.

How the AdmitJet Armor rides

• Trail riding: second and third gear cover most trails, with plenty of torque for roots and climbs.
• Steep hill climbs: first gear and the clutch give you precise control and huge pulling power.
• Fire roads and open terrain: fourth gear lets the bike stretch out and cruise.
• Farm and ranch work: quiet, strong and able to reverse, which makes it useful for checking fences and moving around property.
• Tight singletrack: the size and weight make it more work than a light trail bike, so it suits open trails better.

AdmitJet Armor vs Surron Storm Bee vs Talaria Komodo

These are the full-size electric bikes riders most often compare with the Armor. Prices below come straight from our store:

The Surron Storm Bee is the more refined, race-ready bike with a liquid-cooled motor and Surron’s dealer network behind it. The Talaria Komodo has the most peak power of the three. The AdmitJet Armor stands out for its gearbox, highest top speed, longest range and lowest price.

Who should buy the AdmitJet Armor?

The AdmitJet Armor is a strong fit for riders moving from gas enduro or adventure bikes who like having gears, bigger and taller riders who need a roomy full-size bike, and anyone who wants long range for exploring. Its reverse gear and quiet motor also make it popular for property and ranch use.

It is not the best choice for beginners, shorter riders or anyone who mostly rides tight, technical singletrack. A lighter bike like the Surron Ultra Bee HP or an Arctic Leopard will be easier to handle there. You can compare more full-size options in our premium electric dirt bikes range.

AdmitJet Armor pros and cons

Pros

• Unique 4-speed gearbox with neutral and reverse.
• Up to 1,000 N·m of wheel torque in the low gears.
• About 78 mph top speed and up to 81 miles of range.
• Three battery sizes, swappable, in a waterproof case.
• IPX6 water resistance and full-size 21/18 in wheels.
• High 330 lb max load.

Cons

• Heavy at about 238 lb and tall at 35.43 in.
• Gears and a clutch take time to learn for riders used to twist-and-go bikes.
• Charging takes about 5 hours.
• Smaller dealer network and aftermarket than Surron or Talaria.

Setting up the AdmitJet Armor

Start with tire pressure: about 14 to 18 psi for most off-road riding, a little higher on hardpack and gravel. Set the rear sag with you on the bike in full gear, aiming for about a third of the rear travel, then adjust damping so the bike settles quickly over bumps.

Adjust the clutch and brake levers so you can use them with one or two fingers while standing. Practice clutch control and gear changes in an open area before you head for the trails, and check all bolts, spokes and the chain after the first couple of rides.

Riding tips for an electric bike with gears

• Start in first or second gear until you know how hard the bike pulls.
• Use the clutch to feed power smoothly on loose climbs and wet roots.
• Shift up early on open trails to keep the bike calm and save energy.
• Only select reverse at a complete stop, and use it slowly.
• Stand on the pegs in rough terrain to keep the tall bike stable.

Maintenance and running costs

The AdmitJet Armor needs regular chain care on its 520 chain, brake pad checks, tire checks and suspension servicing, plus gearbox service at the intervals in the owner’s manual. There is no fuel, engine oil, air filter or top-end rebuild, so running costs are far lower than a gas bike of similar size. A full charge costs around a dollar at typical US electricity rates.

Is the AdmitJet Armor street legal?

We sell the AdmitJet Armor as an off-road electric dirt bike. Although it has an LED headlight, it does not come with the full set of DOT equipment and paperwork most states require for road registration. Ride it on private land, tracks and legal off-road areas, and check with your local DMV about any road-use options in your state.

Gear and transport for the AdmitJet Armor

Wear a certified full-face helmet, goggles, gloves, boots and body armor every time you ride. At about 238 lb, the bike needs a solid ramp and a pickup, a trailer or a heavy-duty hitch carrier. Strap it down by the frame and handlebars, and remove the battery for long trips if possible.

Gears vs single-speed: which suits you?

A single-speed electric dirt bike is simpler. You twist and go, there is nothing to shift and nothing to learn, which makes bikes like the Surron Ultra Bee or Talaria Komodo very easy to ride fast. For many trail riders, that simplicity is exactly the point.

The AdmitJet Armor suits riders who want something different. Gears let you choose between maximum pulling power and maximum speed, and the clutch gives you a familiar way to control traction on loose or slippery ground. If you grew up on gas bikes, you may find the Armor feels more natural than a twist-and-go electric bike.

The trade-off is weight and complexity. A gearbox and clutch add parts, add weight and need occasional servicing. If you mostly ride tight trails or are new to dirt bikes, a single-speed bike will usually be easier to enjoy.

Long-distance and adventure riding

With up to 81 miles of range on the largest battery, the AdmitJet Armor is one of the better electric bikes for longer rides. To make the most of it, plan routes with a safety margin, keep an eye on the battery gauge and ride in the higher gears on open sections, where the motor works most efficiently.

A spare battery is the simplest way to extend a big day out. Carry a basic tool kit, a tire repair kit and a pump, and tell someone where you are riding. In cold weather, expect less range, because lithium batteries deliver less energy below about 40°F. Store the battery indoors and fit it just before you leave.

A buying checklist

• Which battery size is included in the price, and is the charger in the box?
• Is freight to your door included, and is the bike checked before it ships?
• What does the warranty cover, and who handles claims?
• Which common parts, like brake pads, chains and tires, can be sourced quickly?
• Have you checked the 35.43 in seat height suits your inseam?

Asking these questions before you buy an AdmitJet Armor, or any full-size electric bike, avoids surprise costs and delays later.

Upgrades worth considering

• Dual-sport or terrain-specific tires to match the way you ride.
• Hand guards and a skid plate to protect the levers and the underside.
• A spare battery for long days and adventure trips.
• A phone or GPS mount for navigation on unfamiliar trails.
• Lowering or suspension work if you are a shorter rider who wants more confidence at stops.

Start with protection and tires. They make the biggest difference to how the bike feels and how well it survives the occasional drop.

AdmitJet Armor FAQ

Does the AdmitJet Armor have a clutch?

Yes. It has a clutch lever and a gearbox with neutral, four forward gears and reverse. Because the motor is electric, it cannot stall like a gas engine.

How fast is the AdmitJet Armor?

About 78 mph, with AdmitJet quoting up to 130 km/h under ideal conditions.

How far can it go on a charge?

Up to 81 miles with the 70Ah battery. Range depends on battery size, terrain, rider weight and how hard you ride.

How much does it cost?

It starts at $5,999 in our store with the 50Ah battery. The 60Ah and 70Ah versions cost more.

How much does it weigh?

About 238 lb, with a max load of about 330 lb.

Is it waterproof?

It is rated IPX6, which protects against rain and strong water jets, but it should never be submerged.

Can I use it for farm or ranch work?

Yes, many owners do. The quiet motor does not spook livestock the way a loud gas engine can, first gear gives strong pulling power at walking pace, and reverse makes it easy to turn around in tight spots between fences and gates. Just keep the chain clean and check tire pressure often if you ride on rough ground every day.

Is it hard to learn the clutch and gears?

Not really. If you have ridden a gas dirt bike, it will feel familiar within minutes. If you have only ridden twist-and-go bikes, spend an hour in an open field practicing smooth starts, upshifts and downshifts. Because the motor cannot stall, mistakes are far less dramatic than on a gas bike, which makes learning much easier.

For more about the brand, visit the official AdmitJet website. Looking at premium alternatives? Read our Stark VARG guide.

AdmitJet Armor $5,999.00 – $6,399.00Price range: $5,999.00 through $6,399.00 View details Surron Storm Bee $9,399.00 – $12,798.00Price range: $9,399.00 through $12,798.00 View details 2025 Talaria Komodo $5,899.00 Original price was: $5,899.00.$5,199.00Current price is: $5,199.00. View details