Balance Bikes >>
HKM-2565331 12-Inch Electric Balance Bike for Kids 3-8 Years with 250W Brushless Motor, 36V Lithium Battery and Rear Disc Brake
HKM-2565331
TORNADO Styling, Trail-Ready Hardware
The HKM-2565331 wears its TORNADO graphics over a frame built for dirt-first riding. A 250W brushless motor turns the rear wheel, a 36V 2.5Ah lithium battery drops out of its under-frame mount in one motion, and a rear disc brake answers the lever every single time. Up front, a suspension fork soaks up ruts and kerbs, the 12-inch knobby tires bite into grass and gravel, and the seat adjusts as the rider grows from three toward eight. It looks fast standing still, and it rides even better than it looks.
Key Features
Six details that set the HKM-2565331 apart from a plain balance bike.
A 250W Brushless Motor
The rear hub carries the full 250W, which gives the bike enough pull for grass, gentle slopes and gravel paths without a chain or a single greased part. It answers the throttle smoothly and stays quiet through every session.
A Drop-Down Battery
The 36V 2.5Ah pack sits low in the frame, which keeps weight down where it helps handling, and it releases from its mount in one motion. Charging happens on a bench or a table, not on the bike, and the spare can wait indoors.
A Suspension Front Fork
The telescopic fork has real travel, so ruts, kerbs and root bumps arrive at the handlebar softened rather than sharp. It also gives the bike its motocross stance, which riders in this age group notice immediately.
A Rear Disc Brake
One lever works the disc on the rear wheel with a consistent, modulated bite. A single brake keeps the learning curve short for a small hand, and a disc holds its power in wet grass where rim surfaces give up.
Knobby 12-Inch Tires
Deep lugs wrap both wheels, so the bike tracks straight on lawn, dirt and loose gravel instead of wandering. The same tires roll quietly across pavement on the way to the field, which makes the whole ride one continuous trip.
A Seat That Follows the Rider
The saddle adjusts through a wide range, so the same frame serves a three-year-old on day one and a taller six-year-old a season later. Feet stay flat at the low end, and the post keeps rising as the legs get longer.
Overview
A 12-inch trail-styled electric balance bike with a drop-down 36V battery.
The HKM-2565331 is a 12-inch electric balance bike for riders aged three to eight, styled after a motocross TORNADO and built for mixed terrain. A 250W brushless motor drives the rear wheel directly, and a rear disc brake gives one predictable way to stop. The 36V 2.5Ah lithium pack drops from its under-frame mount for charging, keeping the mass low and the silhouette clean. A suspension fork up front and knobby tires all round let the bike take grass, gravel and rutted ground in stride, while the adjustable saddle tracks the rider from three toward eight. Eight colourways share the same frame and hardware, so the choice is purely about the look.
Built Low, Charged Anywhere
The battery rides in the frame, not on it.
The 36V pack drops from its mount under the frame in one motion, so charging moves to the bench and the weight stays where handling wants it. No cables to reach, no box to unstrap.
Full Specifications
Every number worth knowing, in one table.
Terrain, Weight and Reach
Where the TORNADO feels most at home.
The bike was shaped for ground that is not quite a lawn and not quite a trail. The suspension fork takes the first hit out of every rut, the knobby tires convert that travel into straight-line tracking, and the low-slung battery keeps the centre of gravity close to the axle line, so the bike leans predictably instead of teetering. The rear disc completes the picture with a stop that stays the same on the tenth ride as it was on the first. At 39.4 inches long with the bar at 20.5 inches, the package suits riders from roughly three years old, and the saddle range keeps it honest up toward eight. It is a bike that turns an empty lot into the interesting part of the afternoon.
What’s in the Box
The box, unpacked and ready.
1 x TORNADO Mini Bike
12-inch bike with fork, brake and motor fitted
1 x 36V 2.5Ah Battery
Lithium pack seated in its drop-down mount
1 x Battery Charger
Mains charger matched to the pack
1 x Saddle and Post
Fitted, ready to set for the rider’s leg length
1 x Manual and Hex Keys
Setup sheets plus the tools for bar and saddle
1 x Warranty Card
Registration details for the 24-month coverage
Why Choose the HKM-2565331
Six reasons families pick the HKM-2565331.
It Looks the Part
Motocross graphics, a telescopic fork and a genuine stance make this the bike a child points at first. The styling is not paint-deep either, because the same hardware that looks race-ready actually handles rough ground.
Ground Clearance for Real Terrain
The under-frame battery keeps the belly high and the mass low, so ruts and kerb edges pass underneath instead of catching. Grass, gravel and dirt paths all ride the same way, which keeps a young rider relaxed.
The Battery Goes Where You Do
A drop-and-charge routine suits family life: the pack releases in one motion and charges at the kitchen bench. There is no garage socket visit and no need to park the bike beside a wall.
One Brake, Learned Fast
The rear disc gives a small hand one job and one result. Because disc power does not fade on wet grass, the stop feels identical in every session, which is exactly what confidence is built from.
Room to Grow
The saddle range starts where a three-year-old needs it and climbs toward a taller rider near eight. A 110 lbs load rating means the bike does not become obsolete the first summer the child hits a growth spurt.
Eight Ways to Own One
The colour lineup runs from quiet to loud, and every version shares the frame, fork and brake. Two siblings can pick different colours without one bike being the better one, which keeps garage negotiations short.
Frequently Asked Questions
Quick answers on the HKM-2565331 TORNADO.
What ages does the TORNADO suit?
The bike is aimed at riders from three to eight, and leg length is the working measure: both feet should rest flat while seated. The adjustable saddle starts low enough for a confident three-year-old and rises as the rider grows, with a 110 lbs load rating that keeps the same bike useful through several seasons of growth. When in doubt, set the saddle so the rider can stand over it with a slight bend in both knees.
How does the drop-down battery work?
The 36V 2.5Ah pack sits in a mount under the frame and releases in one motion, typically a latch or a quick-release fitting, so it can be carried indoors to charge. Sliding it back until it seats restores the connection. The low position is deliberate: it keeps the centre of gravity close to the ground where the handling benefits. A spare pack doubles the ride without doubling the bike.
Is the suspension fork real or cosmetic?
It is a working telescopic fork with actual travel, and you can feel the difference on ruts, kerb edges and root bumps. For a light 12-inch wheel, that travel is what keeps a gravel path from buzzing the handlebar, and it is also why the bike holds its line on ground a rigid fork would make tiring. You can watch it work by pressing down on the bars over a kerb.
Why a rear disc instead of two brakes?
A single rear disc keeps the controls simple: one lever, one consistent bite, nothing to coordinate. Disc braking also ignores the wet grass and shallow puddles that would make a rim surface slippery, so the stop a rider learns on day one stays the same through a whole season of outdoor riding. The lever reach can also be wound in for smaller fingers at the adjuster.
What terrain is it meant for?
The knobby tires, the fork and the ground clearance all point the same way: grass, gravel, packed dirt and bumpy lawns are home ground. It still rolls quietly across pavement between home and the field, so the ride can start at the front door rather than at the trailhead. Wet grass is exactly where a disc earns its keep over a rim surface.
How much assembly is needed?
The wheels, fork, brake and motor arrive fitted. The remaining work is fitting the handlebar, setting the saddle height and seating the battery until it latches. The manual covers each step with the same part names used on the bike, and the supplied hex keys are the only tools the job needs. Everything else on the bike is either wipe-clean or torqued once and forgotten.
Quick Troubleshooting
HKM-2565331 troubleshooting, checked in order.
The bike will not power on
Start at the battery mount. Lift the pack out and seat it back until it latches, because a pack resting just short of home makes no contact. Press the power button and watch the indicator. If it stays dark, charge the pack for half an hour and try again, and check the mount contacts for grit while the pack is out. Confirm the wall socket works with another device before anything else, and check the charger cable for kinks.
The brake feels weak
Work the lever and watch the calliper: it should bite well before half travel. Take up slack with the barrel adjuster at the lever first, then check the cable anchor at the calliper. A rotor touched by oily fingers will glaze and lose bite, so clean it with isopropyl alcohol and replace pads that have soaked through. Bedding-in needs a dozen gentle stops before the bite reaches full strength.
The battery will not charge
Connect the charger and watch for its indicator change, and make sure both connectors seat fully with nothing in the ports. A pack that has just come in from the cold will refuse a fast charge until it warms to room temperature on the bench. A steady fault light after a short rest means the pack needs testing. Dust in the charge port is the quietest cause and the easiest fix with a dry cloth.
The fork feels notchy
Turn the bar fully and spin the front wheel by hand to separate fork drag from brake rub. Wipe the stanchions with a damp cloth and ask a bike shop for a suspension-safe lubricant, because a general spray can swell the seals. A click through the travel points at the headset instead, which needs a torque check. A fork that only knocks on hard ground is usually a tyre pressure issue, not a fork fault.
Run time has dropped off
Compare riding style first, because repeated full-throttle starts and grass climbing use far more per minute than steady cruising. Check the tire pressure too, since soft knobby tires cost range twice, in drag and in speed. If nothing has changed, run one full uninterrupted charge cycle and retest before judging the pack. Riding style changes with the seasons, so compare against a similar week.
The bike pulls to one side
Check the tire seating first, because a knobby tire that has crept off centre steers the whole bike. Then confirm both axle nuts are tight, since transport knocks loosen them. If the pull continues with the wheel straight, have the fork alignment checked at a shop before the next outdoor session. A quick bar-straightness check on a flat driveway settles it in seconds, with the rider walking beside.
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-2565331.
The HKM-2565331 is a powered bike for riders aged three to eight, so an adult stays within arm’s reach on every ride. A certified helmet goes on before the first throttle press, and closed shoes with a clear, flat riding area make the first sessions easier. Let the rider learn the throttle at walking pace before any real speed, and keep sessions short while the brake habit forms. Check that the battery is fully seated before each ride, keep fingers and loose clothing clear of the rear hub while the wheel turns, 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 check the brake, the tires and both axle nuts before every outing.
HKM-2565331 - 12-inch TORNADO electric balance bike for kids aged three to eight, with a 250W brushless rear hub motor, a 36V 2.5Ah lithium drop-down battery, a rear disc brake, a suspension front fork, knobby tires and an aluminium frame in eight colourways. Read the manual before first use. Nothing here is safety certification advice.
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.
Our return policy is built on a simple principle: if the product is not right for you, we will make it right. We understand that online shopping involves trust, and we work hard to earn that trust with every order.
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
Every order ships free—no minimums, no hidden fees. We currently deliver across the United States and are actively working to expand to more countries. We partner with reliable U.S. courier services to ensure your order arrives safely and on time.
Our delivery process is designed for transparency. From the moment you place your order to the moment it reaches your door, you receive clear updates at every stage. We carefully inspect each product before dispatch, and we provide tracking information as soon as your order ships.
Our U.S. Shipping Partners
USPS
Official national carrier with nationwide coverage.
UPS
Fast and reliable ground and express shipping.
FedEx
Express delivery with real-time tracking.
DHL eCommerce
Efficient parcel delivery for e-commerce shipments.
Delivery Process
Delivery Time Summary
Cancellations & Taxes
You may cancel your order at any time before it ships. All product prices include applicable taxes, and there are no additional VAT or customs fees for orders delivered within the United States.
Whether you have a question, need help with an order, or just want some advice, our support team is available around the clock. We don't just respond to messages—we work with you to find real solutions that fit your needs.
Our support specialists are trained to handle a wide range of requests, from product recommendations to technical troubleshooting. No matter the question, you can expect a professional and friendly response.
How We Can Help
Product Guidance
Our experts help you choose the right product.
Order Assistance
Modify orders, track shipments, or speed up delivery.
Warranty & Returns
Start claims or returns quickly and easily.
Technical Troubleshooting
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
