Retro Hardtail Electric Bike
HKM-2695379 Retro Electric Bike
The HKM-2695379 pairs a classic moped-inspired silhouette with a modern 1000 W brushless rear hub motor and a 48 V 25 Ah lithium pack (1200 Wh). The 20 x 4.0 in fat tires, hydraulic disc brakes, and 7-speed Shimano drivetrain give it the capability to handle city streets, bike paths, and light gravel, while the low step-over height and wide saddle make it easy to mount and comfortable to ride. A 440 lb load capacity leaves room for a passenger or cargo.
1000 W (1500 W Peak) Motor48 V 25 Ah / 1200 Wh Pack31 mph Top Speed20 x 4.0 in Fat TiresHydraulic Disc BrakesHardtail Frame7-Speed Drivetrain440 lb Load Capacity
Motor
1000 W
1500 W peak rear hub
Battery
48 V 25 Ah
1200 Wh removable lithium
Top Speed
31 mph
50 km/h, throttle only
Range
37+ mi
60+ km, varies with assist
Tires
20 x 4.0 in
Fat tread, multi-surface
Load Capacity
440 lb
200 kg rider plus cargo
Overview
The HKM-2695379 is built around a curved aluminum alloy frame that recalls classic two-stroke mopeds without the noise, fumes, or maintenance. The step-over height is low enough for easy mounting in work clothes, and the wide bench saddle supports a relaxed upright riding posture.
Power comes from a 1000 W brushless rear hub motor with a 1500 W peak rating for short bursts on hills and quick starts. The 48 V 25 Ah lithium pack stores roughly 1200 Wh, giving the bike a real-world range of 37+ mi under typical mixed-use conditions.
The 20 in wheel diameter keeps the chassis compact and responsive in tight city environments. Wide 4.0 in tires add flotation on loose surfaces and absorb small bumps that would rattle a narrower tire. A 7-speed Shimano drivetrain lets the rider fine-tune cadence to extend range or climb hills more efficiently.
Hydraulic disc brakes front and rear provide the stopping power needed for a 31 mph machine, with sealed lines that resist contamination and self-adjust for pad wear. Integrated lighting, a rear rack, and a passenger-friendly saddle make it as practical for errands as it is for weekend cruising.
Key Features
1000 W Brushless Rear Hub Motor
A 1000 W brushless motor (1500 W peak) is laced directly into the rear wheel hub. Direct drive means no chain or belt losses between the motor and the ground, and the sealed housing shrugs off dust and moisture. Peak output handles city hills and pulls away confidently from stops.
48 V 25 Ah Lithium Pack (1200 Wh)
The 1200 Wh pack is among the larger capacities in the urban e-bike category, supporting longer rides and fewer weekly charges. It lifts out with a key for indoor charging. A full recharge from empty takes about 6-8 hours on the supplied charger.
Hardtail Frame With Cushioned Saddle
The rigid aluminum rear triangle keeps weight low and pedaling efficient, while a wide, padded saddle with springs absorbs road buzz. Riders who want a simple, low-maintenance city machine will appreciate the absence of rear linkage.
Hydraulic Disc Brakes, Front and Rear
Sealed hydraulic lines actuate both calipers. Lever effort stays light and predictable, and there are no cables to stretch or corrode. Power-off brake levers cut motor drive the instant either lever is pulled.
7-Speed Shimano Derailleur Drivetrain
A 7-Speed drivetrain with index shifter gives usable pedaling cadence from walking pace up to cruising speed. The wide gear range lets riders climb hills without overheating the motor and cruise efficiently on flat ground.
20 x 4.0 in All-Terrain Fat Tires
The smaller 20 in diameter keeps the bike maneuverable in traffic and easy to park. The 4.0 in width spreads weight over a large contact patch for grip on gravel, wet pavement, and hard-packed dirt.
LED Headlight and Integrated 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 in traffic and at dusk.
Rear Rack and Passenger-Ready Saddle
A wide rear saddle and integrated rack accommodate a backpack, grocery bags, or a passenger. The 440 lb total load rating leaves room for both rider and cargo on the same trip.
Full Specifications
Model
HKM-2695379 | Retro Electric Bike
Frame Material
Aluminum alloy, retro moped-style geometry
Motor
1000 W brushless rear hub motor, 1500 W peak
System Voltage
48 V DC
Battery
48 V 25 Ah lithium-ion (1200 Wh), removable and lockable
Charger
2 A smart charger, 100-240 V input
Charging Time
6-8 hours from empty
Battery Cycle Life
Approximately 800 charge cycles to 80 percent capacity
Top Speed
31 mph (50 km/h)
Range per Charge
37+ mi (60+ km), varies with terrain, rider weight, and assist level
Climbing Grade
Up to approximately 25 degrees with a solo rider
Peak Torque
75 N.m
Drivetrain
7-Speed Shimano derailleur with index shifter
Brakes
Hydraulic disc brakes, front and rear, with power-off levers
Suspension
Rigid rear with sprung saddle; front fork is not suspended
Tires
20 x 4.0 in fat tires, street-oriented tread
Wheels
20 in alloy rims, stainless spokes
Saddle
Wide bench saddle with springs
Display
Backlit LCD: speed, battery level, assist mode, trip distance, odometer
Throttle
Twist-grip throttle with pedal-assist levels and zero assist
Lighting
LED headlight, integrated brake-activated tail-light, powered by main battery
Load Capacity
440 lb (200 kg) rider plus cargo
Bike Weight
Approximately 114.6 lb (52 kg) including battery
Recommended Rider Height
5 ft 0 in to 6 ft 2 in (152-188 cm)
Certifications
CE, RoHS; battery cells UN38.3 tested
Battery, Range, and Charging
The 48 V 25 Ah pack stores 1200 Wh of energy. That is roughly double the capacity of a typical urban e-bike, giving the HKM-2695379 enough range for several days of short commutes between charges.
Real-world range depends on four variables more than anything else: how much you pedal, rider and cargo weight, tire pressure, and terrain. Throttle-only riding on flat pavement at moderate speed lands in the 25-35 mi band. Moderate pedal-assist on the same terrain regularly returns 37+ mi. Cold weather below 40 F (4 C) temporarily reduces available capacity by 10-20 percent; it returns once the pack warms up.
Tip: Store the pack between 30 and 70 percent charge if the bike will sit unused for more than a month, and top it up every 4-6 weeks. Charging indoors at room temperature extends usable pack life considerably compared with charging in an unheated garage.
The pack unlocks with the supplied key and lifts out of the frame in a few seconds, so you can charge it indoors while the bike stays locked outside. Two keys are included. Charging with the pack installed works equally well through the frame-side charge port.
Daily Use & Care
- Tire pressure sets the character of the bike. Run 20-25 psi on pavement for lower rolling resistance; drop to 12-15 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 aluminum 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
- 1 x HKM-2695379 retro electric bike, approximately 85 percent pre-assembled
- 1 x 48 V 25 Ah removable lithium battery pack
- 1 x 2 A smart charger with 100-240 V input
- 2 x Battery keys
- 1 x Toolkit with hex wrenches and pedal spanner
- 1 x Pair of folding pedals
- 1 x Rear rack (pre-installed)
- 1 x User manual and assembly guide
Frequently Asked Questions
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. Have a bike shop check torque and brake bedding if you are not comfortable doing it yourself.
What is the actual range I should plan for?+
Plan for 37+ mi depending on how much you pedal. Throttle-only riding at higher speeds lands closer to 25-35 mi. Moderate pedal-assist on mixed terrain regularly returns 37+ mi. Heavier riders, headwinds, hills, and low tire pressure all reduce range.
Is a license or registration required?+
Rules vary by state and locality. A 1000 W nominal motor with 1500 W peak output and 31 mph top speed may exceed the limits of the common three-class e-bike framework in many US jurisdictions. Check your state DMV and local ordinances before riding on public roads or bike paths.
How long does the battery take to charge?+
About 6-8 hours from fully empty with the supplied 2 A charger. Partial top-ups take proportionally less time; there is no need to run the pack down before recharging.
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 114.6 lb, so pedaling home unassisted is slow going, but it is entirely possible on flat ground.
Will the brakes handle the speed?+
Hydraulic disc brakes front and rear are the appropriate specification for a 31 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.
Can the bike carry a passenger?+
The wide rear bench and 440 lb total load rating can accommodate a passenger in addition to the rider. Always confirm combined weight stays within the limit and the passenger keeps feet clear of the rear wheel.
Service & Policies
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.
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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 Battery1200 Wh PackHydraulic BrakesHardtailFat Tire
Why Choose the HKM-2695379
Retro Style, Modern Drivetrain
The curved aluminum frame and wide bench saddle evoke classic mopeds, while the 1000 W hub motor and 1200 Wh lithium pack deliver quiet, zero-emission power. It is a practical city machine that happens to stand out in a crowd.
Comfortable Upright Geometry
A low step-over height, swept-back handlebar, and wide saddle create a relaxed riding position. The posture is easy on the back and shoulders during longer commutes and weekend cruises.
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.
Compact 20 in Wheels
The smaller wheel size makes the bike easier to maneuver in traffic, store in tight spaces, and lift onto a rack. Combined with the fat tire width, it delivers agile handling without sacrificing comfort.
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.
Controls & Indicators
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 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
Pre-Ride Safety Checklist
- Check tire pressure and set it for the terrain you plan to ride: 20-25 psi for pavement, 12-15 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 quick-release levers and axle nuts 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.
- 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.
- Check that the rear rack mounting bolts are tight if you plan to carry cargo or a passenger.
Quick Troubleshooting
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 charge 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 31 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. If the chain skips only in the smallest cogs, the cassette is worn and should be replaced along with the chain.
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 - error codes map to specific faults in the controller, motor, or throttle circuits.
The bike feels tippy at low speed.+
The 20 in wheels and relaxed geometry make the bike agile, but a heavier load raises the center of gravity. Keep cargo low and centered on the rack, and practice low-speed turns in an open area.
Certifications & Standards
The HKM-2695379 is produced in a facility operating under an ISO 9001 quality management system. The battery cells and the assembled 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 a high-output electric bicycle capable of 31 mph. Read the manual fully before the first ride and practice throttle control in an open, traffic-free area until the response feels predictable. Always wear a helmet rated for the speeds this bike reaches.
- Wear a helmet on every ride. At 31 mph a bicycle helmet is the minimum; many riders choose a certified motorcycle or downhill helmet at these speeds.
- Do not exceed the 440 lb (200 kg) load capacity, which includes the rider, any passenger, and cargo.
- Check local law before riding on public roads or paths. A 1000 W motor with 1500 W peak output and 31 mph top speed may place this vehicle outside standard e-bike classifications in your area.
- Bed in the brake pads with 10-15 progressive stops during the first few rides before riding at full speed or with a passenger.
- Do not ride through water deep enough to reach the hub motor or the battery compartment.
- Charge only with the supplied charger, indoors, at room temperature, and on a non-flammable surface. Do not leave a charging battery unattended overnight.
- Do not attempt to open, puncture, or modify the battery pack. Damaged lithium packs can vent and ignite.
- Reduce speed substantially on gravel, wet surfaces, and downhill grades; fat tires add grip but do not eliminate the risk of losing traction.
HKM-2695379 · 1000 W brushless rear hub motor (1500 W peak) · 48 V 25 Ah lithium (1200 Wh) · 31 mph top speed · 37+ mi range · 20 x 4.0 in fat tires · 440 lb (200 kg) load capacity · aluminum retro frame · hydraulic disc brakes. Specifications are provided for reference; actual performance varies with rider weight, terrain, tire pressure, temperature, and riding style. Range figures are measured under moderate pedal-assist on level pavement. This page describes the product only and is not legal advice regarding vehicle classification - confirm local regulations before riding on public roads.
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