Compact 12-Inch Electric Off-Road Motorcycle
HKM-7022291 Electric Off-Road Motorcycle
The HKM-7022291 is a short-wheelbase electric dirt machine built around 12 in wheels, an aluminum alloy chassis, and a 1500 W mid-mounted motor that peaks near 3000 W. A 48 V 21 Ah pack (1008 Wh) gives 25-31 mi of trail time, and the three-stage power selector lets the same bike be gentle for a first-time rider or run out to 31 mph (50 km/h) for someone who knows what they are doing. Hydraulic disc brakes at both ends, a hydraulic front fork, and a preload-adjustable rear shock handle the terrain. Built for private land and designated off-road trails.
1500 W Mid-Drive (3000 W Peak)48 V 21 Ah / 1008 Wh Pack31 mph Top Speed25-31 mi Range12 in Knobby TiresFront and Rear SuspensionHydraulic Disc Brakes84 lb Aluminum Chassis
Motor
1500 W
3000 W peak mid-mounted drive
Battery
48 V 21 Ah
1008 Wh removable lithium
Top Speed
31 mph
50 km/h in mode 3
Range
25-31 mi
40-50 km per charge
Wheels
12 in
Air-filled off-road knobby tires
Load Capacity
265 lb
120 kg rider plus gear
Overview
Wheel size defines this machine. At 12 in front and rear the HKM-7022291 has a short wheelbase, a low centre of mass, and very little rotating inertia, so it changes direction the instant the bars move. On tight singletrack, in a pump-track bowl, or on a compact practice loop that is precisely what you want - the bike goes where you point it rather than arguing about it. Larger-wheeled machines roll over obstacles better; this one gets around them.
The 1500 W motor is mid-mounted rather than built into a wheel hub, driving the rear wheel through a chain. Putting the mass in the centre of the frame keeps the unsprung weight at the rear wheel low, which lets the rear shock actually work over rocks and roots instead of fighting a heavy hub. Peak output reaches roughly 3000 W for short bursts and torque is in the 50-60 Nm band, delivered from zero rpm with no clutch and nothing to stall.
A 48 V 21 Ah lithium pack stores 1008 Wh and returns 25-31 mi (40-50 km) of typical trail riding. Real numbers depend heavily on how you ride: continuous full-power running in loose sand drains a pack far faster than steady trail exploring. The pack locks into the frame and lifts out for indoor charging, and a full charge from empty takes 7-8 hours. Three selectable power modes cap the output, which is the practical way to both stretch range and hand the bike to a less experienced rider without worry.
Chassis hardware matches the intent. The frame is aluminum alloy, keeping the complete machine near 84 lb (38 kg) - light enough for two people to lift into a truck bed. The front fork is hydraulic and the rear shock has adjustable preload so spring rate can be matched to rider weight. Braking is hydraulic disc at both ends, which is the correct specification for a bike that will spend time descending loose ground where lever feel and modulation matter more than raw power.
Key Features
1500 W Mid-Mounted Motor, 3000 W Peak
The brushless motor sits low and central in the frame and drives the rear wheel by chain. That layout concentrates mass where it helps handling and keeps the rear wheel light so the suspension can track the ground. 1500 W continuous with roughly 3000 W available in bursts, and 50-60 Nm of torque available from a standstill, covers steep loose climbs and sharp exits out of corners.
48 V 21 Ah Removable Lithium Pack (1008 Wh)
A full kilowatt-hour of energy in a pack that unlocks and lifts out of the frame with a key. Charging happens indoors on a bench rather than requiring an outlet next to wherever the bike is parked, and a full charge from empty takes 7-8 hours. The battery management system protects against overcharge, over-discharge, short circuit, and out-of-range cell temperature.
Hydraulic Fork and Preload-Adjustable Rear Shock
The front fork uses hydraulic damping so the wheel returns under control rather than bouncing back after a hit. At the rear, the shock preload is adjustable, which means a 120 lb rider and a 220 lb rider can each get the sag right instead of one of them putting up with a chassis set for the other. Both ends work together to keep the 12 in wheels on the dirt.
Hydraulic Disc Brakes, Front and Rear
Sealed hydraulic lines actuate both calipers. On loose descents the thing that keeps a bike controllable is modulation - the ability to apply exactly the amount of braking the surface will take - and hydraulics give far finer control than cable brakes. They also stay consistent when wet or muddy and need no cable adjustment as pads wear.
Three-Stage Power Modes
A mode selector limits how much of the 1500 W the controller will release. Mode 1 keeps the bike calm and slow for a beginner, a confined space, or a first lap of an unfamiliar trail. Mode 2 is the everyday setting. Mode 3 unlocks the full 31 mph. It is also the simplest way to extend range on a long ride.
12 in Air-Filled Knobby Off-Road Tires
Deep tread blocks with wide spacing dig into loose dirt, sand, and gravel and clear mud rather than packing with it. Air-filled construction lets you tune pressure to the surface - lower for grip on loose climbs, higher for hardpack and fire road. The compact 12 in diameter is what gives the bike its quick, flickable character.
LED Headlight and Tail-Light
An LED headlight and tail-light run directly off the main pack, so there is nothing separate to charge. Late-afternoon rides that run past dusk do not have to end early, and the tail-light keeps you visible to other riders on a shared trail.
Motocross Cockpit: High-Rise Bars, Long Seat, Serrated Pegs
A high-rise motocross handlebar gives leverage and room to move, the long flat seat lets you shift weight forward for climbs and back for descents, and serrated footpegs hold boot soles even when wet and muddy. The riding position is designed to be worked from standing, not just sat on.
Full Specifications
Model
HKM-7022291 | Electric Off-Road Motorcycle
Frame Material
Aluminum alloy off-road frame
Motor
1500 W mid-mounted brushless motor, approximately 3000 W peak
System Voltage
48 V DC
Battery
48 V 21 Ah lithium-ion (1008 Wh), removable and lockable
Charger
48 V smart charger, 100-240 V input
Charging Time
7-8 hours from empty
Battery Cycle Life
Approximately 800 charge cycles to 80 percent capacity
Top Speed
31 mph (50 km/h) in the highest power mode
Range Per Charge
25-31 mi (40-50 km), varies with terrain, rider weight, and power mode
Climbing Grade
Up to approximately 20 degrees
Torque
50-60 N.m at the motor
Final Drive
Chain drive from the mid-mounted motor to the rear wheel
Brakes
Hydraulic disc, front and rear
Suspension
Hydraulic front fork + rear shock with adjustable preload
Tires
12 in air-filled off-road knobby tires, tube type
Wheels
12 in front and 12 in rear off-road rims
Seat
Long flat motocross-style seat
Display
LCD readout: speed, battery level, and selected power mode
Throttle
Twist throttle on the right grip, proportional response
Lighting
LED headlight and tail-light powered by the main battery
Load Capacity
265 lb (120 kg) rider plus gear
Vehicle Weight
Approximately 84 lb (38 kg) including battery
Seat Height
Approximately 29 in (74 cm)
Certifications
CE, RoHS; battery cells UN38.3 tested
Battery, Range, and Charging
The 48 V 21 Ah pack holds 1008 Wh. On an off-road machine that number translates into ride time rather than commuting distance, because trail riding uses energy in bursts: hard acceleration out of a turn, a loose climb, a short flat-out straight, then coasting. Typical mixed trail use returns 25-31 mi (40-50 km). Continuous full-throttle running in deep sand can halve that; steady exploring in mode 1 or 2 can beat it.
The pack unlocks with a key and lifts out of the frame, so charging happens wherever you keep a bench rather than wherever you park the bike. Budget 7-8 hours from fully empty on the supplied charger. Below 40 F (4 C) the pack temporarily gives up 10-20 percent of usable capacity and recovers as it warms - worth knowing before a cold-morning session, since the shortfall reads as an early low-battery warning rather than a fault.
Tip: Let the pack cool for 20-30 minutes after a hard session before putting it on the charger. Charging a hot lithium pack accelerates cell ageing more than almost anything else you can do to it.
For storage longer than a month, leave the pack at 30-70 percent charge and top it up every 4-6 weeks. Riders who run winter seasons often keep a second pack so one is always warm and charged while the other is on the bike.
Daily Use & Care
- Check and adjust chain tension before every session. A loose chain on a mid-drive machine can derail under power and damage the case; an over-tight chain wears the sprockets and the motor bearing.
- Clean and lubricate the chain after every dusty or muddy ride. Off-road grit is far harder on a chain than road use.
- Set tire pressure for the surface and check it cold: lower for grip on loose climbs, higher for hardpack and fire road.
- Wash mud off the frame, calipers, and shock body with a low-pressure hose. Never point a pressure washer at the motor case, the battery bay, or the fork seals.
- Re-torque the axle nuts, triple clamp, handlebar clamp, and footpeg bolts after each of the first few rides, then check them weekly.
- Inspect brake pad thickness and rotor condition monthly. Off-road grit accelerates pad wear far beyond road-going rates.
- Charge indoors at room temperature on a non-flammable surface, and unplug once the charger indicator turns green.
What's in the Box
- 1 x HKM-7022291 electric off-road motorcycle, approximately 85 percent pre-assembled
- 1 x 48 V 21 Ah removable lithium battery pack
- 1 x 48 V smart charger with 100-240 V input
- 2 x Battery keys
- 1 x Toolkit with hex wrenches and axle spanner
- 1 x Pair of serrated footpegs (pre-installed)
- 1 x Set of plastics and fender hardware
- 1 x Illustrated user manual and assembly guide
Frequently Asked Questions
Is this street legal?+
No. The HKM-7022291 is an off-road recreational vehicle intended for private property and designated off-road trails. It is not configured or certified for public road use. Check local rules for off-highway vehicles before riding anywhere other than land you own or have permission to use.
How much assembly is required?+
The machine arrives approximately 85 percent assembled. You fit the front wheel, align and bolt the handlebar, install the fenders and plastics, and check brake and chain adjustment. Budget 45-60 minutes with the supplied tools. Verify chain tension and all axle and clamp torque before the first ride.
What age or size rider is this suited to?+
The 29 in (74 cm) seat height and 265 lb (120 kg) load rating suit teenage and adult riders who can comfortably reach the ground and control the machine. Riders under 16 should ride only under direct adult supervision, in mode 1, and in full protective gear.
Why 12 in wheels instead of something larger?+
A 12 in wheel gives a short wheelbase, low seat height, and very little rotating inertia, which makes the bike quick to turn and easy to control in tight spaces. The trade-off is that it does not roll over large obstacles as smoothly as a big-wheel machine, so it favours pump tracks, practice loops, and tight trail over rocky open terrain.
What is the real range on a charge?+
Plan for 25-31 mi (40-50 km) of mixed trail riding. Continuous full power in deep sand or up sustained climbs can cut that close to half; steady riding in a lower power mode extends it. Rider weight, tire pressure, and temperature all move the figure.
Can it be ridden in the rain or through water?+
Light rain and wet trail are fine, and the electronics carry a splash-resistant rating. Do not ride through water deep enough to reach the motor case or the battery bay, and do not pressure-wash the machine - high-pressure water passes seals that shrug off rain without difficulty.
Does the battery come out for charging?+
Yes. It unlocks with the supplied key and lifts clear of the frame in seconds, so it can be charged on a bench indoors. Charging in place also works if that suits your setup better.
What routine maintenance does it need?+
Far less than a combustion dirt bike - no oil, filters, spark plug, or carburettor. The recurring jobs are chain tension and lubrication, tire pressure, brake pad thickness, fastener torque, and keeping the fork seals clean. Everything else is inspection.
Service & Policies
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24 Months Warranty Service
The product is covered by a 24-month warranty from the delivery date against manufacturing defects. Coverage includes parts and labor; normal-wear items are excluded.
CERoHSUN38.3 Battery1008 Wh PackHydraulic BrakesFront and Rear SuspensionOff-Road Use
Why Choose the HKM-7022291
Three Modes, Two Skill Levels, One Bike
The mode selector is not a gimmick on a machine like this. Mode 1 makes the bike genuinely approachable for someone learning throttle control; mode 3 releases the full 31 mph for a rider who has earned it. Households with more than one rider get real use out of that.
Mid-Drive Mass Where It Belongs
Hanging a motor in the rear hub makes the wheel heavy and the suspension lazy. Mounting it low and central keeps unsprung weight down so the rear shock can follow the ground, and it puts the mass between your feet where it helps the bike turn.
Twist and Go, No Clutch, No Gears
Full torque is available from zero rpm, so there is no clutch to slip, no gear to select, and nothing to stall on a technical climb. For a new off-road rider that removes most of the coordination barrier; for an experienced one it means attention goes to the line rather than the drivetrain.
Quiet Enough to Ride Without Complaints
An electric drive on a chain is a fraction of the noise of a two-stroke. That matters practically: private land near neighbours, early mornings, and shared trails all become viable when the loudest sound is tire knobs on dirt.
Light Enough to Load Alone
At roughly 84 lb (38 kg) the machine can be lifted into a truck bed or van by two people, or wheeled up a ramp by one. Aluminum construction is what buys that, and it is the difference between a bike that gets ridden regularly and one that stays in the garage.
Simple, Sealed, Serviceable
No fuel, no oil, no filters. Sealed hydraulic brake lines, a covered and lockable battery bay, and a splash-resistant electrical system mean that after a muddy ride the routine is a rinse, a chain lube, and a charge.
Controls & Indicators
Ignition Switch
Key or button switches the drive system on and off
Mode Selector
Handlebar switch selects power mode 1, 2, or 3
Twist Throttle
Right-hand grip; proportional response with no clutch or gear selection
Speedometer
Live speed on the LCD, switchable between mph and km/h
Battery Gauge
Segmented charge indicator on the display
Light Switch
Handlebar switch toggles the LED headlight and tail-light
Preload Collar
Rear shock preload collar sets spring rate for rider weight
Pre-Ride Safety Checklist
- Check chain tension and lubrication. This is the single most important pre-ride item on a mid-drive machine.
- Set tire pressure cold for the surface you plan to ride, and inspect the knobs and sidewalls for cuts.
- Squeeze both brake levers. They should firm up well before the grip, with no sponginess indicating air in the hydraulic line.
- Confirm the battery is seated and locked and the display shows the state of charge you expect.
- Check axle nuts, triple clamp, handlebar clamp, and footpeg bolts for torque, and rock the bike with the front brake on to check for fork play.
- Select mode 1 and test the throttle at walking pace in a clear area before committing to a trail.
- Wear full off-road protective equipment: a DOT-compliant or off-road helmet, goggles, gloves, long sleeves, long trousers, and over-the-ankle boots.
- Set the rear shock preload for your weight before the ride rather than adjusting it on the trail.
Quick Troubleshooting
The motor does not respond to the throttle.+
Confirm the ignition is on and the display shows charge, the battery is locked in place, and neither brake lever is being held - the cut-off sensors disable drive while a lever is pulled. Check the selected mode is above zero. If an error code appears on the display, note it and contact support.
The chain came off during a ride.+
Chain tension is almost always the cause. Set it to the slack specified in the manual with a rider seated, and check that the rear axle is square in the swingarm so the sprockets are aligned. Inspect both sprockets for hooked or worn teeth and replace the chain and sprockets as a set if they are.
Range dropped noticeably.+
Check tire pressure and how much time you have been spending in mode 3. Cold weather also temporarily reduces capacity. If the drop exceeds 30 percent in warm conditions after many charge cycles, the pack is approaching the end of its service life.
The brake lever feels soft or travels closer to the grip.+
Sponginess in a hydraulic system means air in the line, a leak, or worn pads. Stop riding and have the system inspected and bled. Do not continue a session on compromised brakes, particularly on descents.
The front end deflects or feels harsh over roots.+
Check fork seals for oil weeping and the stanchions for scoring, and confirm the axle pinch bolts are torqued so the fork legs are not twisted. If the fork is dry and straight, the issue is usually tire pressure - a few psi makes a large difference on 12 in wheels.
The display shows an error code and the machine will not move.+
Switch the system off, wait 30 seconds, and switch it back on. If the code returns, record the exact code and what you were doing, then contact support - codes map to specific faults in the controller, motor, throttle, or battery circuits.
Certifications & Standards
The HKM-7022291 is produced in a facility operating under an ISO 9001 quality management system. The lithium cells and the assembled 48 V pack carry the test documentation normally required for lithium-ion transport and sale.
- CE - European Conformity marking covering the electrical assembly.
- RoHS - Restriction of Hazardous Substances compliance for the electronics.
- UN38.3 - Battery transport safety testing, required for lithium-ion shipping by air, sea, and road.
- MSDS - Material Safety Data Sheet available for the battery pack on request.
- ISO 9001 - Quality management system certification held by the manufacturing facility.
Important Safety Notes
This is an off-road recreational vehicle, not a road machine. It is intended for private property and designated off-road trails only. Read the manual fully before the first ride, start in mode 1, and build up throttle and brake control in an open area before riding unfamiliar terrain.
- Wear full protective equipment on every ride: a DOT-compliant or off-road helmet, goggles, gloves, elbow and knee protection, long sleeves and trousers, and over-the-ankle boots.
- Do not exceed the 265 lb (120 kg) load capacity, which includes the rider and all carried gear.
- Riders under 16 should ride only under direct adult supervision and with the power mode limited.
- Do not ride on public roads, sidewalks, or bike paths. Confirm local off-highway vehicle rules before riding anywhere you do not own.
- Do not ride through water deep enough to reach the motor case or battery bay, and do not pressure-wash the machine.
- Charge only with the supplied charger, indoors, at room temperature, on a non-flammable surface, and never leave a charging pack unattended overnight.
- Do not open, puncture, or modify the battery pack. Damaged lithium cells can vent and ignite.
- Let the motor and pack cool between hard sessions, and reduce speed sharply on wet rock, loose gravel, and steep descents.
HKM-7022291 · 1500 W mid-mounted brushless motor (approximately 3000 W peak, 50-60 N.m) · 48 V 21 Ah lithium (1008 Wh) · 31 mph (50 km/h) top speed · 25-31 mi (40-50 km) range · 12 in off-road knobby tires · 265 lb (120 kg) load capacity · aluminum alloy frame · hydraulic front fork with preload-adjustable rear shock · hydraulic disc brakes front and rear · approximately 84 lb (38 kg). Specifications are provided for reference; actual performance varies with rider weight, terrain, tire pressure, temperature, and riding style. This vehicle is intended for off-road recreational use on private property or designated trails and is not configured for public road use. This page describes the product only and is not legal advice regarding vehicle classification - confirm local regulations before riding.
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