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MotoTec Demon 36V 790W Electric Dirt Bike — Gas-Free Trail Power for Riders 13+

Built-to-Survive Electric Dirt Bike for Young Riders

Three speed modes — Parent controls via key lock
14-mile ride range — 36V 8Ah Li-Ion battery
Full suspension setup — Two front shocks, one rear
Disc brakes both ends — Front and rear stopping power
Knobby trail tires — 2.5x10 pneumatic on aluminum rims
  • FREE Shipping -- Ships free to your door, no minimum
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$438.95

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MotoTec 36v 790w Demon Electric Dirt Bike
MotoTec 36v 790w Demon Electric Dirt Bike
$438.95

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In the box

  • MotoTec Demon 36V 790W Electric Dirt Bike
  • Key lock with 3-speed selection
MotoTec 36v 790w Demon Electric Dirt Bike
MotoTec Demon 36V 790W Electric Dirt Bike — Gas-Free Trail Power for Riders 13+
$438.95

Built-to-Survive Electric Dirt Bike for Young Riders

The MotoTec Demon 36v 790w Electric Dirt Bike delivers real trail performance for riders 13 and up. With a 36V 8Ah Li-Ion battery, you get up to 14 miles per charge — no gas, no noise, no fumes. The steel frame, front and rear disc brakes, and dual-shock suspension make this a built-to-survive machine that handles dirt trails and backyard terrain. Three parent-selectable speeds (5, 10, 21 MPH via key lock) keep things controlled while the variable twist-grip throttle teaches real throttle discipline. A field-tested setup for introducing the next generation to grid-independent riding.

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790 Watt Motor
14-Mile Range
3 Parent Lock Speeds
Full Disc Brakes
790W
Peak Motor Output
14 Miles
Max Range Per Charge
21 MPH
Top Speed
No Gas, No Fumes, No Dependence

No Gas, No Fumes, No Dependence

Gas-powered dirt bikes chain you to fuel runs, oil changes, and noise complaints from neighbors. The MotoTec Demon cuts that tether completely. Its 36V 8Ah Li-Ion battery charges at home — no gas can, no pull start, no two-stroke smoke. At Off Grid Vault, we only carry products we would trust for our own families, and this bike earns that standard. The 790-watt rare earth neodymium motor delivers real trail power through a chain drive, while the steel frame and full suspension handle real terrain. Parent-selectable speed locks at 5, 10, or 21 MPH mean you control the throttle until your rider is ready for full power. Field-tested on dirt trails and backyard tracks alike.

Real Suspension for Real Terrain

Real Suspension for Real Terrain

The Demon is not a toy with stiff forks pretending to be a dirt bike. Two front shocks and one rear shock absorb bumps, ruts, and trail irregularities that would buck a rider off a lesser frame. The steel frame provides the rigidity needed for aggressive off-road riding while the 2.5x10 knobby pneumatic tires grip loose dirt and gravel. Aluminum rims keep rotating weight down, so the 790-watt motor puts more energy into forward motion. Front and rear disc brakes deliver consistent stopping power in wet or dry conditions — not the marginal braking you get from cable-actuated calipers. This is a built-to-survive setup designed for kids who actually ride trails, not driveways.

Parent Control Without Compromise

Parent Control Without Compromise

Three selectable speeds — 5, 10, and 21 MPH — lock via key, so you decide when your rider is ready for more power. That is not a restriction; it is a progression system. Start at walking speed while they learn throttle control and braking on the variable twist-grip. Move to 10 MPH when their reflexes sharpen. Unlock the full 21 MPH when the trail demands it. The onboard battery meter keeps you informed of charge level so you are never stranded mid-ride. A padded seat and adjustable handlebars accommodate growing riders up to 150 lbs, extending the useful life well beyond a single season. The Li-Ion chemistry holds charge longer and delivers more consistent voltage than lead-acid alternatives.

Rider Compatibility

Confirm this dirt bike matches your rider before ordering.

  • Rider weight does not exceed 150 lbs
  • Rider age is 13 years or older
  • Riding area includes dirt trails or flat open terrain

Where This Bike Shines

Designed for young riders ready to hit real dirt.

Backyard Trail Riding
Off-Grid Property Exploration
Beginner Dirt Training

Full specifications

At a glance

Dimensions
See product page
Warranty
See product page
Full specifications16 data points across 4 categories

Dimensions

Overall DimensionsSee product page
Product WeightSee product page

Power & Performance

Motor36 Volt 790 Watt (Rare Earth - Neodymium Magnet)
Battery36 Volt 8Ah Li-Ion
Speeds5, 10, 21 MPH (3 speeds, selectable with key lock)
RangeUp to 14 miles per charge
Chain DriveYes
ThrottleVariable twist-grip
Max Rider Weight150 lbs

Materials

FrameSteel
Tires2.5x10 Knobby Pneumatic
RimsAluminum
BrakesFront and rear disc
Suspension2 Front shocks, 1 Rear shock

Compliance & Warranty

Recommended Age13+
WarrantySee product page

The Off Grid Vault Promise

We stand behind every product we sell.

Free Shipping on Every OrderShips free to your door — no minimums, no fine print.
30-Day Performance GuaranteeIf it doesn't perform as specified, we make it right — uninstalled, in original packaging.
Vetted for Real-World UseEvery product we carry meets our build quality and performance standards before it earns a listing.
★★★★★
“Bought this for my son's 14th birthday. We live on 5 acres with actual dirt trails, and this thing handles them better than I expected. The speed lock is perfect — started him at 5 MPH and he earned his way up. Battery lasts all afternoon. No gas, no noise complaints from the neighbor. Exactly what we wanted.”
F
First L.Prescott, AZ

MotoTec Demon 36v 790w Electric Dirt Bike

The MotoTec 36v 790w Demon Lithium Electric Dirt Bike is the ultimate kids ride! Great for driveway and backyard fun, cruise over bumps and speed through dirt trails with ease. Comes standard with front & rear suspension, front & rear brakes, parent selectable speeds and large knobby tires. The Lithium battery is substantially lighter, offers more performance and most importantly a longer ride time. In optimum conditions, up to 14 miles per charge.

SAFETY FIRST – ALWAYS WEAR YOUR HELMET AND ALL SAFETY EQUIPMENT AND OBSERVE SAFE RIDING RULES! A parent’s decision to allow his or her child to ride this product should be based on the child’s maturity, skill and ability to follow rules.


Demon 36v 790w Specs

  • Motor: 36 Volt 790 Watt (Rare Earth – Neodymium Magnet)
  • Battery: 36 Volt 8Ah Li-Ion
  • Speeds: 5, 10, 21 MPH (3 speeds, selectable with key lock)
  • Recommended Age: 13+
  • Max Rider Weight: 150 lbs
  • Chain Drive: Yes
  • Frame: Steel
  • Tires: 2.5×10 Knobby Pneumatic
  • Rims: Aluminum
  • Brakes: Front and rear disc
  • Suspension: 2 Front shocks, 1 Rear shock
  • Throttle: Variable twist-grip
  • Seat: Padded (single rider)
  • Handlebars: Adjustable Forward/Back
  • Battery Meter: Yes
  • Key Start: Yes
  • Charging Time: 4-6 hours
  • Charger Included: Yes
  • Assembly Required: Yes
  • Wheelbase: 34 inches
  • Seat Height: 23 inches
  • Min Ground Clearance: 9 inches
  • Product Size: 49x22x32 inches
  • Product Weight: 53 lbs


Your Satisfaction with MotoTec is Guaranteed:

  • 30 Day Parts Warranty
  • Free Shipping & Lowest Price Guarantee

Additional information

Color

Lithium Blue, Lithium Green, Lithium Orange, Lithium Purple, Lithium White

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Frequently Asked Questions

Consider what you avoid: no gas, no oil, no spark plugs, no two-stroke mix. A gas-powered bike at a similar price point costs more to operate every single month. The Li-Ion battery charges from a standard outlet, and the 14-mile range means full afternoons of riding between charges. At $439, you are paying once for years of trail riding with minimal maintenance overhead. That is the math that matters.
Every product we carry is vetted before it earns a listing. We are not a marketplace dumping ground where incompatible or underperforming products hide behind thousands of reviews. When you buy from Off Grid Vault, you get a 30-day performance guarantee — if it does not perform as specified, we make it right. Our team actually knows the products, and you can reach a human who understands what you bought. That accountability does not exist on generic marketplace platforms.
The three-speed key lock is designed exactly for this scenario. Lock the bike to 5 MPH while your rider learns throttle control and braking basics on the variable twist-grip. The padded seat, adjustable handlebars, and 150 lb weight capacity mean they will not outgrow it in one season. Front and rear disc brakes provide forgiving, consistent stopping power. Start slow, build confidence, then unlock higher speeds when they are ready. The full suspension handles the inevitable mistakes.
Charge time depends on the charger used, but a standard Li-Ion charger for a 36V 8Ah battery typically completes a full charge in 4 to 6 hours. The onboard battery meter lets you monitor charge level during rides so you are not guessing when it is time to head back. With up to 14 miles per charge in optimum conditions, most riders get a full afternoon of trail riding before needing to plug in.
The 790-watt rare earth neodymium motor delivers instant torque without warm-up, hesitation, or carburetor tuning. The steel frame matches the durability of gas-frame construction. Where the Demon pulls ahead is maintenance: no oil changes, no air filters, no fuel stabilizer for winter storage, no spark plug replacement. The Li-Ion battery is lighter than a lead-acid equivalent and delivers consistent voltage through the full discharge cycle. Disc brakes front and rear match or exceed what you find on comparable gas models. This is not a toy — it is a field-tested dirt bike without the gas headache.
Some assembly is required — this is standard for shipped dirt bikes to prevent damage in transit. The steel frame, suspension, motor, and drivetrain arrive pre-built. You will need to attach the handlebars, front wheel, and make final adjustments. Basic tools are all that is needed. If you have questions during assembly, contact our team — we stand behind what we sell and will help you get your rider on the trail.
SKU: MT-Dirt-Lithium_Blue Category: Brand:

The Off Grid Vault Promise

We stand behind every product we sell.

Free Shipping on Every Order Ships free to your door — no minimums, no fine print.
30-Day Performance Guarantee If it doesn't perform as specified, we make it right — uninstalled, in original packaging.
Vetted for Real-World Use Every product we carry meets our build quality and performance standards before it earns a listing.

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About mototec Electric Dirt Bikes

mototec is a trusted manufacturer of premium electric dirt bikes. OffGridVault is an authorized dealer offering the full mototec lineup with free delivery, price match guarantee, and expert support.

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