HKM-7656659 Moped Style E-Bike Runs Two Hub Motors and a 48V 18Ah 864Wh Pack on 20 x 4.0 Tires With 330 lb of Capacity

2 × 1000W · 48V 18Ah 864Wh · 20 x 4.0 · 31 mph · 3000W peak · hydraulic discs · 330 lb

Twin Hubs a Double Crown Fork and Four Inch Knobby TiresPeak Power Without Any of the Noise

Two hub motors, 1000W each and 3000W at peak, a 48V 18Ah 864Wh pack in an external case on the down tube, 20 x 4.0 fat tires, an inverted double-crown fork with twin rear coil shocks, and hydraulic disc brakes. It is a moped rather than a bicycle in shape: long bench seat, upright bars, a grille headlight, and 31 mph listed with a 330 lb rating. It is a short-trip machine with pedals and a bench, and it is built for dirt rather than the bike lane.

The frame tells you what it is before the motor does. A tall moped spine, a bench seat long enough for two, an external battery case on the down tube and a headlight set in a grille rather than bolted to a fork crown. Nothing here is trying to look like a mountain bike, and that is the point: this is a short-trip machine with pedals, not a bicycle with a motor bolted on. The pedals are there for legality and for the ride home on a flat pack, not because anyone plans to pedal it up a hill.

Two driven wheels change how it behaves on loose ground. The front hub pulls while the rear pushes, so a soft patch of sand or a wet grass slope that would stop a rear-drive bike keeps going, at the cost of heavier steering and two controllers to feed. On pavement the pair simply makes it quick off the line, which is the honest reason most buyers want it.

At a Glance

• Two Hub Motors — 1000W each, 3000W combined peak
• 864Wh Pack — 48V 18Ah in an external case
• 37 Miles Listed — Range across the assist modes
• 20 x 4.0 Tires — Fat casing for dirt, sand and snow
• Inverted Fork — Double crown, plus twin rear coil shocks
• Hydraulic Discs — Front and rear, red calipers
• Bench Seat — Moped length, two-up capable
• 330 lb Rating — 150 kg for rider and a passenger
• 7-Speed — Geared to pedal a flat pack home
• Grille Headlight — Round lamp in a front grille
• Two Colours — Matte black or forest green
• 31 mph Listed — Above the Class 3 line in most states

Moped Spine and an External Pack

The frame is aluminium in a tall moped shape: a long spine from the head tube to the seat, a bench on top of it, and no top tube in the bicycle sense. The standover is low at the front and high at the back, so you step in rather than throw a leg over the saddle.

The battery sits in a rectangular case clamped to the down tube, not inside the frame. That keeps the frame simple and makes the pack easy to lift off for indoor charging, and on a bike this heavy it also means the centre of mass stays low rather than up under the bench.

Suspension is at both ends: an inverted double-crown fork up front and a pair of coil shocks at the rear, both adjustable at the spring collar. On 20-inch wheels with four inches of tire that is a lot of travel, and it keeps a 330 lb combination from feeling like a trolley on a rutted track.

• Frame: aluminium moped spine
• Battery: 864Wh external case on the down tube
• Fork: inverted, double crown
• Rear: twin coil shocks
• Brakes: hydraulic disc, front and rear
• Tires: 20 x 4.0 knobby

Fitted as shipped: front and rear fenders, a rear rack, the grille headlight, a tail light, a kickstand and the battery keys. The bars are tall and wide, and the brake levers are hydraulic with motor cut-off switches.

Two Hubs and 864Wh

Each wheel carries a 1000W brushless hub, 2000W combined, with the brand quoting 3000W at peak for the pair. The distinction matters for the way it rides: 2000W is what the two motors hold, and the peak is the burst that gets the bike moving from a standstill with a passenger aboard. Two controllers feed the two hubs, so a failure in one leaves the other driving rather than the bike dead, and both are sealed against water in a way a single exposed controller is not.

The pack is 48V 18Ah, 864Wh, in the external case. It charges in place through a sealed port or off the bike, and a full charge is listed at several hours on the supplied charger. Because the case is external rather than built into the spine, the pack is the first thing to carry indoors in a cold snap, and a replacement later is a case rather than a frame. The lock is on the case, so the key is the only thing to remember at a rack.

Range is listed at 37 miles, and with two motors that figure depends entirely on how you use them. Both hubs pulling on soft ground lands nearer twenty; one hub and steady pedalling on a hard surface is where 37 comes from. Plan a trail day around the low number rather than the headline.

Who It Fits and How It Rides

The bench height does not adjust much, so the range is narrower than the frame suggests: roughly 5 ft 4 in to 6 ft 3 in, with taller riders feeling their knees come up and shorter riders finding it easier than a saddle-and-post bike. Sit on one before ordering rather than assuming the range applies to you.

On gravel and dirt it is stable and the twin shocks keep the bench level, and two driven wheels find grip a single hub would not. On pavement it is quick and noisy from the tread, and in a tight turn it wants more room than a bicycle.

• Fire roads, farm tracks and packed dirt
• Campgrounds and short backcountry trips
• Two-up errands with a passenger on the bench
• Not for tight singletrack, stairs or rain without fenders fitted

What's in the Box

Before the first ride: fit the front wheel and check both axles, set the fork and shock preload for the weight you plan to carry, bed the hydraulic brakes in with ten firm stops, then charge the pack. Get help lifting it out of the carton, and check the rack bolts before the first loaded ride.

Color and Finish

Matte black and forest green are the two finishes, both with black rims, a black fork, a black bench and red detailing on the frame and the brake calipers. The red is what stops the black version reading as a plain commuter, and the green is the quieter of the two on a trail.

Touch-up paint is available on request in both colours. The wear points are the battery case where a knee rubs it, the bench edges and the chainstay under the chain.

Battery Care and Maintenance

Charge the pack between 20 and 90 percent for daily use and take it to full about once a month so the management system can balance the cells. An 864Wh case takes most of a night, so start it in the evening and bring it indoors rather than leaving it in a cold garage.

Check tire pressure before every ride at 15 to 20 psi on pavement and 8 to 12 psi on dirt, and check both axles and the shock preload after the first 50 miles. Check the hydraulic pads monthly, and check the spoke tension on both wheels after the first 20 rides, because two hub motors load both wheels harder than one does.

Specifications

Frequently Asked Questions

Service and Policies

Coverage that lasts beyond the box. Orders ship free with a tracking number in 2 to 5 business days. From delivery, the product is protected for 180 days against manufacturing defects and transit damage, returnable within 30 days for a full refund, and covered by a 24-month parts-and-labor warranty on manufacturing defects. Four policies, one idea: ship it free, protect it for 180 days, take it back for 30, and stand behind it for two years.

HKM-7656659 · moped style dual motor electric bike · two brushless hubs, 1000W each, 2000W combined, 3000W at peak, brand figures · 48V 18Ah 864Wh pack in an external case on the down tube, key-locked and removable · 37 miles listed range · 31 mph listed · 7-speed drivetrain · hydraulic disc brakes front and rear with red calipers and motor cut-off · inverted double-crown fork with twin rear coil shocks · 20 x 4.0 knobby tires on black rims · long bench seat, two-up length · grille headlight and tail light · rear rack · front and rear fenders · 330 lb load rating · matte black or forest green with red detailing · built for fire roads, farm tracks and campgrounds rather than tight singletrack or stairs