Balance Bikes >>
HKM-2794707 20-Inch Electric Balance Bike for Kids 5-12 Years with 350W Brushless Motor, 36V Battery and Hydraulic Disc Brakes
HKM-2794707
Fat Tires, Three Speeds, One Fast Learner
The HKM-2794707 is the bike kids point at first. A 350W brushless motor drives the rear wheel, a 36V 5.0Ah lithium pack feeds it, and hydraulic disc brakes stop the whole thing with two fingers. The 20-inch fat tires float over grass, gravel and sand that would swallow a narrow wheel, a suspension fork up front and a rear shock underneath keep the ride controlled, and three speed modes let parents decide how fast the fun arrives. A proper mini motorcycle silhouette, built for riders from five toward twelve.
Key Features
Six details that separate the HKM-2794707 from toy-grade bikes.
A 350W Brushless Hub Motor
The motor sits in the rear hub with no chain and no gears, so drive goes cleanly into the fat tire. It pulls hard enough to matter on grass and climbs, yet answers smoothly enough that a newer rider keeps up.
A 36V 5.0Ah Lithium Pack
The 5.0Ah capacity is the big-battery choice, built for long park sessions and repeated full-throttle runs. It rides in the frame, releases for bench charging, and holds its output flat instead of sagging halfway through the afternoon.
Hydraulic Disc Brakes
Hydraulic actuation gives a lighter lever feel with stronger, more consistent bite than a cable system. Two fingers are enough, the stop repeats identically every session, and wet grass does not change the answer.
Fat Tires All Round
The wide 20-inch tires run at lower pressure and float where narrow tires dig in. Sand, loose gravel, rutted lawns and wet grass all become rideable, and the cushioning effect takes sharp edges off every bump the fork leaves.
Suspension Front and Rear
A telescopic fork up front and a rear shock underneath work together, so hits arrive softened at both ends of the bike. The rider stays planted over ruts and kerb edges, which keeps the fast sessions safe ones.
Three Speed Modes
The mode switch is the parental control that makes the power usable. Keep the bike gentle while habits form, then open the modes up as the rider proves steering and braking, with no new hardware needed at any point.
Overview
A 20-inch fat tire electric balance bike with hydraulic brakes and rear suspension.
The HKM-2794707 is a 20-inch fat tire electric balance bike for riders aged five to twelve, styled like a miniature racing motorcycle and equipped to match. A 350W brushless rear hub motor drives the wheel directly, fed by a 36V 5.0Ah lithium battery, and hydraulic disc brakes on both ends deliver a strong, repeatable stop. Suspension up front and a rear shock underneath flatten ruts and kerbs, while the fat tires float over sand, gravel and grass that would stop a narrow wheel. Three selectable speed modes let a parent tune the throttle from calm to quick as the rider proves themselves. It is the bike a child keeps riding long after newer toys have lost their shine.
Stops as Good as It Goes
Hydraulic power, two fingers, every time.
Hydraulic disc brakes give a light lever and a strong, repeatable bite, so the rider learns real braking judgement instead of grabbing. Wet grass changes nothing about the answer, and the lever asks for two fingers, nothing more.
Full Specifications
The complete specification, in one table.
Where the Fat Tires Earn Their Keep
Ground that stops other bikes is home ground here.
Most first bikes are limited by their tires, not their motors. The HKM-2794707 flips that: the wide 20-inch fat tires spread the load and grip loose ground, so sand pits, gravel shortcuts and damp lawns are simply surfaces. The suspension fork and rear shock keep the chassis settled over the bumps that remain, and the low-slung battery keeps weight where the bike leans from. Three speed modes mean the terrain advantage arrives in stages, with a calm mode for the first weeks and a full-power mode once braking is instinct. Hydraulic discs complete the package with a stop that stays identical in every condition, which is what allows the rest of the bike to be used properly.
What’s in the Box
What ships in the box, ready to assemble.
1 x 20-Inch Fat Tire Bike
Frame, fork, shock and brakes factory-fitted
1 x 36V 5.0Ah Battery
Lithium pack seated in its frame mount
1 x Battery Charger
Mains charger matched to the pack
1 x Saddle and Post
Fitted, ready to set for leg length
1 x Manual and Tools
Setup sheets plus hex keys for bar and saddle
1 x Warranty Card
Registration details for warranty coverage
Why Choose the HKM-2794707
Six reasons the HKM-2794707 stays the favourite.
It Goes Where Friends Cannot
Fat tires turn sand, gravel and damp grass into ordinary ground, so the bike follows the riders rather than the pavement. Playgrounds and fields become one continuous route.
Real Brakes, Real Confidence
Hydraulic discs stop harder with less effort than cable brakes, and they repeat the same bite in every condition. A rider who trusts the stop rides faster within themselves and carries the judgement forward.
Suspension at Both Ends
A telescopic fork and a rear shock share the work, so neither end of the bike gets overloaded on rough ground. The chassis stays settled and long sessions stop being exhausting.
Power That Grows With Them
Three speed modes keep the same bike usable from a cautious five-year-old to a confident near-twelve. Nothing is upgraded later, because the control was designed in from the start.
A Battery for Long Sessions
The 36V 5.0Ah pack is sized for the way kids actually ride: repeated full-throttle runs, hills and recoveries. It holds output flat through the session and releases for indoor charging.
Looks That Age Well
The racing silhouette, the fat tires and the mini-moto stance make this the bike in the photo two years later. The aluminium frame takes a hard season of scrapes and still reads as a proper motorcycle.
Frequently Asked Questions
Straight answers about the HKM-2794707.
What ages does the 20-inch fat tire format suit?
The bike is aimed at riders from five to twelve. Leg length is the practical measure, so the rider should place both feet flat or near-flat while seated. The adjustable saddle covers a wide range, and the 20-inch wheels with fat tires keep the bike stable enough for the age group to grow into rather than out of. Measure inside leg before ordering to confirm the day-one fit.
How do the three speed modes change the ride?
The modes set how eagerly the motor responds, not a single hard speed. The lowest mode rolls in gently for riders still forming throttle habits, the middle suits regular riders on mixed ground, and the top mode delivers the full 350W for open ground. Move up only when steering and braking need no reminders. The indicator on the switch shows the active mode at a glance.
Why hydraulic brakes instead of cable discs?
Hydraulic actuation multiplies finger effort, so a small hand gets a stronger stop with a lighter lever. The system also self-adjusts as pads wear and keeps its bite consistent in wet grass and cold mornings. Cable discs work, but the hydraulic feel is what makes the top speed modes comfortable to use. A periodic shop check keeps the fluid topped and the feel firm.
What makes fat tires worth having?
Volume is grip and cushioning. Running lower pressures spreads the load, so sand and loose gravel support the bike instead of swallowing it, and the tire itself absorbs small bumps before the suspension does. The trade-off is a little rolling resistance on pavement, which the motor covers without effort. Pressure is the one variable worth checking weekly.
How long does the 5.0Ah battery last per charge?
Run time depends on the mode and the terrain. Gentle mode with steady cruising stretches the pack across a long afternoon, while repeated full-throttle runs and climbs use noticeably more. The pack holds output flat until low, then the indicator warns before cutoff, so the rider coasts home rather than stopping dead. Charge indoors at room temperature for the fastest cycle.
How much assembly and upkeep is involved?
Assembly is bar, saddle and battery seating, with hex keys supplied and the manual using the same part names as the bike. Upkeep is the short list: tire pressure before fast sessions, a brake squeeze test, and a wipe-down rather than a hose. Suspension and hydraulics get their first shop check around the one-year mark. Both jobs fit inside a morning with the supplied tools.
Quick Troubleshooting
When the HKM-2794707 needs attention, start here.
The bike will not power on
Lift the pack and seat it back until the latch clicks, because a pack just short of home makes no contact. Press the power button and watch the indicator. If it stays dark, charge for half an hour and retry, check the mount contacts for grit, and confirm the wall socket with another device before anything else. A spare pack showing the same dark screen moves the fault to the bike itself.
The brake lever feels spongy
Hydraulic systems rarely need adjusting, so a spongy lever means air or low fluid. Check for leaks around the calliper and lever first, and have the system bled at a bike shop if any fluid is visible. Worn pads past their indicator line also mimic this feel, so inspect them before booking a bleed. Do not ride on a spongy brake, because the top modes deserve a proven stop.
The battery will not charge
Watch the charger indicator when the pack connects, and seat both connectors fully. A cold pack refuses a fast charge until it warms indoors, and dust in the port is the easiest fix with a dry cloth. A steady fault light after a short rest, or a charger that never changes state, points at the charger rather than the pack. Keep the charger indoors and dry, as damp garages shorten its life.
Run time has dropped noticeably
Compare habits first, because top-mode riding on grass uses far more per minute than middle-mode cruising on pavement. Check both tire pressures, since soft fat tires cost range as rolling resistance climbs. If nothing has changed, run one full uninterrupted charge cycle and retest before judging the pack. Cold weather trims every lithium pack, so expect shorter rides in winter.
The rear shock feels loose or knocks
Bounce the rear of the bike with the brake held: a knock through the travel points at the shock mounts rather than the shock itself. Check the mounting bolts for torque, because hard riding works them loose over a season. A shop check sorts any oil leak or persistent play before the next fast session, since a shock that leaks oil needs a visit rather than more torque.
The bike pulls to one side
Confirm both tire pressures match first, because an uneven fat tire steers the whole bike. Check the axle nuts and the fork alignment after any drop or transport knock. If the pull continues with everything even, have the fork and wheel alignment checked at a shop before returning to the top speed mode. A quick spin of each wheel on a stand settles it in seconds.
Service & Policies
Coverage that keeps working long after the bike box arrives.
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 these notes before the first ride on the HKM-2794707.
The HKM-2794707 is a powerful bike for riders aged five to twelve, so an adult stays within arm’s reach until the higher speed modes are earned. A certified helmet goes on before the first throttle press, with closed shoes and a clear, flat riding area for the early sessions. Begin in the lowest speed mode and let the rider prove braking and steering before moving up, keeping sessions short while habits form. Check that the battery is fully latched before each ride, keep fingers and loose clothing clear of the rear hub and both discs while the wheels turn, and never carry a passenger on the frame or the saddle. Charge the pack indoors at room temperature on a hard surface, unplug once the indicator shows full, and test both brakes and both tire pressures before every outing.
HKM-2794707 - 20-inch fat tire electric balance bike for kids aged five to twelve, with a 350W brushless rear hub motor, a 36V 5.0Ah lithium battery, three selectable speed modes, hydraulic disc brakes, a suspension fork and rear shock, and an aluminium alloy frame. Read the manual before first use. Nothing here is safety certification advice.
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+1 (209) 280-3200
support@hekomart.com
Address
3401 Dale Rd, Modesto, CA 95356
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