Electric Bicycles >>
HKM-0539219 1500W Electric Moped-Style Bike, 48V 15Ah Removable Battery, 7-Speed Shimano Derailleur, 32 mph Top Speed
HKM-0539219
1500 W 32 mph Electric Moped-Style Bike
The HKM-0539219 uses a low moped-style frame that is easy to step through and comfortable for riders of different heights. The down tube carries a lockable 48 V 15 Ah pack, and the wide floorboard leaves room for feet or a cargo strap, so the bike works as a commuter and as a leisure runabout.
Key Features
8 details that make the HKM-0539219 a dependable ride.
1500 W Brushless Rear Hub Motor
A 1500 W brushless motor is laced directly into the rear wheel hub. There is no chain or belt between the motor and the ground, so drive losses stay low and maintenance is limited to keeping the axle nuts torqued. Peak output pulls away confidently from a stop and handles short climbs with a solo rider.
48 V 15 Ah Lithium Pack (720 Wh)
The pack sits in the frame behind a lockable cover and lifts out with a key for indoor charging. 720 Wh is enough for a full week of short commutes between charges. A full recharge from empty takes about 6-7 hours on the supplied charger; partial top-ups take proportionally less.
Front Suspension Fork
A hydraulic front fork with mechanical lockout smooths out broken pavement and gravel when unlocked, and firms up for efficient pedaling on smooth roads when locked. The fork is tuned for the 20 in wheel and the moped frame geometry so the steering stays predictable at 32 mph.
Hydraulic Disc Brakes
Sealed hydraulic lines actuate both calipers. Lever effort stays light and predictable when the rotors get hot, and there are no cables to stretch or corrode. Power-off brake levers cut motor drive the instant either lever is pulled - a meaningful safety feature on a 32 mph bike.
7-Speed Shimano Derailleur Drivetrain
A 7-Speed drivetrain with a Shimano index shifter gives usable pedaling cadence from walking pace up to cruising speed. The wide gear range is what lets a heavier rider climb the rated grade without overheating the battery, and it lets you stretch range on flat ground.
20 x 4.0 in All-Terrain Fat Tires
Run at low pressure the wide casing spreads rider and passenger weight over a large contact patch. The same tires add grip and comfort on gravel, wet pavement, light snow, and park paths where a narrower tire would skate around on the loose surface.
Integrated LED Headlight and Brake Light
A bright LED headlight runs off the main pack so there are no separate batteries to keep charged. A brake light that illuminates whenever either brake lever is pulled adds visibility from behind - useful in traffic and at dusk.
Wide Dual-Person Saddle
A wide saddle with a backrest accommodates an adult passenger; integrated foot pegs keep their feet in a safe position. Combined with the step-through frame, the bike is practical for a rider plus a passenger on short loops.
Overview
Built for the ride ahead.
The HKM-0539219 uses a low moped-style frame that is easy to step through and comfortable for riders of different heights. The down tube carries a lockable 48 V 15 Ah pack, and the wide floorboard leaves room for feet or a cargo strap, so the bike works as a commuter and as a leisure runabout. Power comes from a 1500 W brushless rear hub motor fed by the 48 V pack. The twist throttle gives immediate, clutch-free acceleration from a stop, while a 7-Speed Shimano derailleur and pedal-assist levels let you add human power to extend the range or climb a grade without straining the motor. Real-world range tracks how you ride. Throttle-only on flat pavement returns roughly 30-40 mi; moderate pedal-assist on the same terrain stretches that to 45-55 mi; relaxed pedaling with low assist has been measured near 65 mi from a full charge.
Engineered Around the Details That Matter
The HKM-0539219 is engineered around the details that matter for everyday riding.
Every detail is chosen to make the ride smoother, safer, and more dependable, from the frame geometry to the final finish. The HKM-0539219 pairs a 1500 W brushless rear hub motor (peak), 48 V 15 Ah lithium-ion (720 Wh), removable and lockable, a range of 35-65 mi (56-105 km), varies with terrain, rider weight, and assist level, so it is built for real-world rides rather than showroom specs.
Full Specifications
Measurements are shown in US customary units first, with metric equivalents in parentheses.
Battery, Range, and Charging
Up to 35-65 mi (56-105 km) per charge.
The 48 V 15 Ah pack stores 720 Wh of energy. For context, many commuter e-bikes ship with 400-600 Wh, so this pack runs roughly 20-80 percent above the usual energy budget. That headroom is what lets the bike handle a throttle-only commute at moderate speed without range anxiety at the end of the day. Real-world range depends on four variables more than anything else: how much you pedal, rider and passenger weight, tire pressure, and terrain. Throttle-only riding on flat pavement at moderate speed lands in the 30-40 mi band. Moderate pedal-assist on the same terrain regularly returns 45-55 mi. Relaxed pedaling at low assist has been measured near 65 mi from a full charge.
Daily Use & Care
A short routine keeps the ride quiet and the range where it should be.
Tire pressure sets the character of the bike. Run 15-20 psi on pavement for lower rolling resistance; drop to 10-12 psi for gravel and dirt so the tire can flatten and grip the surface.
Rinse the frame, rims, and drivetrain with fresh water after riding on salted roads or wet gravel. Road film attacks steel fasteners over time if left in place.
Check that both axle nuts and the stem bolts are torqued before the first ride of each week. Hub-motor torque works fasteners loose faster than on a conventional bicycle.
Wipe and re-lubricate the chain every 100-150 mi, or after any ride through standing water or dusty conditions.
Inspect brake pad thickness monthly. Hydraulic pads wear silently until they are gone; replace when the friction material is under 1 mm.
Charge indoors at room temperature. Unplug the charger once the indicator turns green rather than leaving it connected for days.
Keep the display and charge port covers closed when the bike is parked outside so moisture stays out of the connectors.
What’s in the Box
Everything needed to get riding, right out of the box.
1 x HKM-0539219 Electric moped-style Bike
1 x HKM-0539219 electric moped-style bike
1 x 48 V 15 Ah Removable Lithium Battery Pack
1 x 48 V 15 Ah removable lithium battery pack
1 x 2 A Smart Charger with 100-240 V Input
1 x 2 A smart charger with 100-240 V input
2 x Battery Keys
2 x Battery keys
1 x Toolkit with Hex Wrenches and Pedal Spanner
1 x Toolkit with hex wrenches and pedal spanner
1 x Pair of Folding Pedals
1 x Pair of folding pedals
1 x User Manual and Assembly Guide
1 x User manual and assembly guide
Why Choose the HKM-0539219
6 reasons it earns its place.
Step-Through
A low moped frame, a wide saddle with a backrest, integrated foot pegs, and a floorboard turn this bike into a practical city tool rather than a recreational toy. You can run errands, drop someone at the park, or commute to work on the same bike.
Full Suspension for Real Roads
Potholes, expansion joints, brick-paved lanes, and gravel shortcuts all become rideable surfaces when the front fork and rear spring platform absorb what a rigid frame would transmit directly to the rider.
Two Ways to Ride
Twist the throttle for immediate acceleration, or shift through the 7-Speed Shimano cassette and pedal. Most owners mix both - throttle to get moving from a stop, pedals to extend the range, and motor for hills.
Direct-Drive Simplicity
The motor lives in the rear hub with no mid-drive gearbox, belt, or extra chain to service. Fewer moving parts in the drive path means less to maintain and a notably quiet ride.
Fat Tires for Stability
The 20 in wheel size combined with 4.0 in fat tires lowers the center of gravity and widens the contact patch, so most riders can put both feet down at a stop and feel stable on loose surfaces.
Built for Daily Use
Sealed electrical connectors, a covered and lockable battery compartment, and hydraulic brake lines that cannot corrode in road film all make sense for a bike that gets ridden to work every day and parked outside.
Every Component Chosen for Real-World Use
Every component of the HKM-0539219 is chosen for real-world use.
It is built to be ridden regularly, cleaned easily, and kept in top condition with routine care. The HKM-0539219 pairs a 1500 W brushless rear hub motor (peak), 48 V 15 Ah lithium-ion (720 Wh), removable and lockable, a range of 35-65 mi (56-105 km), varies with terrain, rider weight, and assist level, so it is built for real-world rides rather than showroom specs.
Controls & Indicators
What each control on the HKM-0539219 does.
Power Button
Located on the battery pack; hold to switch the system on and off
Mode Buttons
Up and down buttons on the display cycle through 5 pedal-assist levels plus zero assist
Twist Throttle
Right-hand grip; proportional response, works independently of pedal-assist level
Speedometer
Live speed readout in mph, switchable to km/h in the settings menu
Battery Gauge
5-segment charge indicator plus percentage readout on the LCD
Light Switch
Long-press the up button to toggle the LED headlight and integrated brake light
Shifter
Right-hand index shifter for the 7-Speed Shimano rear derailleur
Frequently Asked Questions
Quick answers about the HKM-0539219.
How much assembly is required out of the box?
The bike ships approximately 85 percent assembled. Remaining steps are fitting the front wheel, straightening and bolting the handlebar, installing the pedals and saddle, and checking brake alignment. Budget 30-45 minutes with the supplied tools.
Can two adults ride this bike together?
Yes, within the 330 lb total load rating. The wide saddle is sized for an adult passenger and integrated foot pegs keep their feet clear of the rear wheel. Real-world range with two riders drops by 30-40 percent compared with a solo rider.
What is the actual range I should plan for?
Plan for 35-65 mi depending on how much you pedal. Throttle-only riding at higher speeds lands closer to 30-40 mi. Moderate pedal-assist on mixed terrain regularly returns 45-55 mi.
Is a license or registration required?
Rules vary by state and locality. A 1500 W motor with 32 mph top speed exceeds the limits of the common three-class e-bike framework in many US jurisdictions, which may place this bike in a moped or motor-driven cycle category. Check your state DMV and local ordinances before riding on public roads or bike paths.
How long does the battery take to charge?
About 6-7 hours from fully empty with the supplied 2 A charger. Partial top-ups take proportionally less time.
Can I pedal it if the battery runs out?
Yes. The 7-Speed Shimano drivetrain works independently of the motor. The bike is heavy at approximately 72 lb, so pedaling home unassisted is slow going, but it is entirely possible on flat ground.
Will the brakes handle the speed and the passenger?
Hydraulic disc brakes front and rear are the appropriate specification for a 32 mph bike of this weight. Bed the pads in during the first few rides with 10-15 progressive stops from moderate speed.
Is the battery removable for indoor charging?
Yes. It unlocks with the supplied key and lifts out of the frame. You can also charge it in place through the frame-side charge port.
Quick Troubleshooting
Common issues and what to check first.
The motor does not engage when I twist the throttle.
Confirm the display is on and shows charge, the battery is locked into place, and both brake levers are fully released - brake cut-off sensors disable the motor while a lever is pulled. If the display shows an error code, note it and contact support.
Range dropped noticeably compared with when it was new.
First check tire pressure; a soft tire on pavement is the most common cause. Then consider temperature - cold reduces available capacity temporarily. If range is down more than 30 percent year-round after many cycles, the pack may be approaching the end of its service life.
The brakes feel spongy at the lever.
Sponginess in a hydraulic system usually means air in the line or a fluid leak. Stop riding and have the system bled and inspected. Do not continue riding a 32 mph bike on compromised brakes.
The chain skips under hard pedaling.
The derailleur indexing is likely out of adjustment, or the chain and cassette are worn. Adjust the barrel adjuster a quarter turn at a time to align the indexing.
The front fork rattles over bumps.
Check that the quick-release lever on the fork is fully closed and that the wheel is seated in the dropouts. If the rattle persists, have a shop rebuild the lowers.
The display shows an error code and the bike will not move.
Power the system off, wait 30 seconds, and switch it back on. If the code returns, note the exact code and the conditions that produced it, then contact support.
Certifications & Standards
Documented and tested for sale.
CE
European Conformity (CE) marking where applicable for the safety and electrical assembly.
ISO 9001
Quality management system held by the manufacturing facility.
Compliance Docs
Safety and compliance documentation included with every unit on request.
Tested
Each unit is inspected and function-tested before it leaves the warehouse.
Pre-Ride Safety Checklist
Run through these before every ride.
Check tire pressure and set it for the terrain you plan to ride: 15-20 psi for pavement, 10-12 psi for gravel or dirt.
Squeeze both brake levers. They should firm up well before reaching the grip, with no sponginess that would indicate air in the hydraulic line.
Confirm the battery is seated and locked, and that the display shows the expected state of charge.
Spin both wheels and check that the rims run true and nothing rubs the brake pads or the frame.
Verify the axle nuts and stem bolts are tight, and that the headset has no play when you rock the bike with the front brake applied.
Test the throttle at walking pace in a clear area before riding in traffic or with a passenger.
Switch on the headlight and tail-light if you will be riding near dusk, and wear a helmet rated for the speeds this bike reaches.
If carrying a passenger, confirm both foot pegs are deployed before they mount the saddle.
Service & Policies
Every HKM-0539219 is backed by coverage designed to protect your investment.
Free Shipping on All Orders
Every order ships free. Handling Time: 0-1 business days (Monday to Friday). Transit Time: 2-5 business days (Monday to Friday). A tracking number is emailed as soon as the parcel leaves our warehouse.
180 Days Purchase Protection
Your purchase is protected for 180 days from the delivery date against manufacturing defects and damage in transit. If something arrives wrong, we make it right.
30 Days Money-Back Guarantee
Not completely satisfied? Request a return within 30 days of delivery for a full refund. We keep the process simple and hassle-free.
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.
Important Safety Notes
Read before the first ride.
This 1500 W bike is rated at 32 mph. Read the manual first and practise throttle and braking in an open, traffic-free area. Leave extra room for braking, since stopping distance grows fast with speed and load. Wear a helmet every ride; a certified downhill or motorcycle helmet is wise at 32 mph. Do not exceed the 330 lb (150 kg) load limit, including rider, cargo, and rack load. Confirm local law before riding on public roads. Bed the brakes in with 10-15 progressive stops over the first rides. Never ride through water deep enough to reach the motor or battery. Charge only with the supplied charger, indoors and attended. Never open, puncture, or modify the pack. Slow down substantially on gravel, wet surfaces, and steep descents.
HKM-0539219 - Electric Moped. Specifications are for reference; actual performance varies with rider, terrain, tire pressure, and temperature. This page describes the product only and is not legal advice regarding vehicle classification - confirm local regulations before riding on public roads.
Every product we offer includes a 180-day purchase protection plan at no additional cost. This coverage extends beyond a standard warranty, reflecting our confidence in product quality and our ongoing commitment to your satisfaction.
The protection plan is designed to provide practical help in real-world situations. Whether you encounter a manufacturing issue, a performance problem, or an unexpected accident, our team is ready to assist with clear, fair solutions.
What Is Covered
Manufacturing Defects
We replace items with material or workmanship flaws at no charge.
Performance Failures
Free repair or replacement if the product fails under normal use.
Accidental Damage
One-time courtesy replacement at a reduced price.
Zero Hidden Fees
All shipping costs for replacements and returns are covered.
How to File a Claim
How This Differs from the Warranty
The 180-day purchase protection includes accidental damage and performance failures that are typically not covered by a standard warranty. It provides an additional layer of support during the first six months after purchase, giving you greater confidence and peace of mind.
We want you to be completely satisfied with your purchase. If for any reason you are not fully happy, you may return your item within 30 days of delivery for a full refund. No lengthy forms, no unnecessary questions.
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Return Eligibility
30-Day Window
Request a return within 30 days of delivery.
Original Condition
Unworn or unused, with tags and original packaging.
Proof of Purchase
A receipt or order number is required.
Fast Refund
Refund processed within 10 business days.
How to Start a Return
Returns & Exchanges Overview
Damages & Exchanges
Please inspect your order as soon as it arrives. If the item is defective, damaged, or incorrect, contact us immediately so we can evaluate the issue and make it right. For exchanges, the fastest option is to return the original item and place a new order for the replacement.
We believe in the quality of our products, and we want you to share that confidence. Every product is backed by a 24-month warranty covering all structural and functional components, including zippers, buckles, straps, and fabric integrity.
The warranty is designed to be simple and accessible. You only need your proof of purchase to begin a claim, and our team will assess the issue promptly. If a manufacturing issue arises, we will make it right.
What the Warranty Covers
Comprehensive Coverage
Every part warranted for two full years.
Free Repair or Replacement
Whichever is faster, at no cost to you.
Quick Turnaround
Claims assessed within 1 business day.
Transferable
Warranty follows the product, not the owner.
How to File a Warranty Claim
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Step-by-step solutions for product issues.
Contact Information
24/7 Phone
+1 (209) 280-3200
support@hekomart.com
Address
3401 Dale Rd, Modesto, CA 95356
Support Hours
Available 24 hours a day, 7 days a week
