Balance Bikes >>
HKM-5874899 16-Inch Electric Balance Bike for Kids with 200W Motor Dual Speed Shockingproof Aluminium Frame and Disc Brakes
HKM-5874899
The FXB03 Platform, Ready for the Neighborhood
The HKM-5874899 is the FXB03-16, a 16-inch electric balance bike with a 200W motor that paces rides at up to 14 mph and a dual-speed switch that lets parents choose the stage. A disc brake delivers the stops, the aluminium alloy frame carries a full shockingproof build over mixed terrain, and the lithium pack covers up to 14 miles per charge. With a 132 lb load rating and three colors, one purchase covers the learning years.
Key Features
Six details that define the HKM-5874899.
A 200W Motor, 14 mph Top
The motor pulls smoothly from a standstill and paces the ride at up to 14 mph, enough speed to feel real while staying in beginner territory. It runs quietly around the neighborhood and holds its pace on gentle inclines without strain.
Dual Speed, Parent Paced
The dual-speed switch lets parents pick the stage: a calm setting for first laps and a livelier one once the throttle and brake are under smooth control. The same bike serves the earliest rider and the confident one with no hardware change.
Disc Brake Stopping
The disc brake delivers firm, progressive stopping that a coaster or band brake cannot match, and it keeps working in damp grass and dusty gravel. Riders learn proper lever braking while the speeds are still low, the safest order to learn in.
Up to 14 Miles per Charge
The lithium battery covers up to 14 miles per charge of mixed riding, enough for a full afternoon of neighborhood laps and park trips. Range scales with mode and terrain, and the pack returns to duty without ceremony.
A Shockingproof Aluminium Frame
The aluminium alloy frame carries a full shockingproof build that soaks up bumps and shrugs off the drops of early learning, rated to 132 lb. It stays light enough for a young rider to manage at walking pace.
16-Inch Wheels, Three Colors
The 16-inch wheels roll over the cracks and gravel that trap smaller wheels, holding a stable line for riders moving up. White, Black and Orange keep the bike feeling personal from the first ride.
Overview
A 16-inch FXB03 balance bike with 200W power and dual speed.
The HKM-5874899 is the FXB03-16, a 16-inch electric balance bike built for riders moving up to their first geared-for-speed machine. A 200W motor paces rides at up to 14 mph through a dual-speed switch, the disc brake provides firm, progressive stopping, and the lithium battery covers up to 14 miles per charge. The aluminium alloy frame carries a full shockingproof build rated to 132 lb, the 16-inch wheels hold a stable line over rough paths, and White, Black and Orange keep the fit personal through the learning years. It is a machine that asks to be ridden daily and mostly answers with a charge cable and a wipe-down.
Range That Outlasts the Session
Up to 14 miles per charge of mixed riding.
The lithium pack is the quiet hero: up to 14 miles per charge means the afternoon ends when the rider is done, not when the battery is. Range scales honestly with mode and terrain, so planning a ride is simple arithmetic.
Full Specifications
Everything worth knowing, in one table.
Why the FXB03 Platform Works
A proven frame, motor and brake package in one size.
Platforms earn trust by being boring in the right places, and the FXB03-16 is exactly that. The aluminium alloy frame with a full shockingproof build has absorbed the drops and kerbs of early learning across the range, and it carries riders up to 132 lb. The 200W motor paces the ride at up to 14 mph, the dual-speed switch keeps parents in charge of the stage, and the disc brake behaves the same in wet grass as in dust. The lithium pack stretches to 14 miles per charge, so the afternoon belongs to the rider rather than the charger. It is a package that does its job quietly, ride after ride, and three colors keep the bike feeling chosen rather than assigned.
What’s in the Box
What arrives in the box, ready to ride.
1 x 16-Inch Balance Bike
Frame, fork and wheels come fitted from the box
1 x Lithium Battery
Seated in the mount and matched to the charger
1 x Mains Charger
Matched to the battery pack from the factory
1 x Seat and Post
Fitted, ready to set for the height of the rider
1 x Manual and Hex Keys
Setup sheets with the tools supplied in the pack
1 x Warranty Card
Registration details for the records at home
Why Choose the HKM-5874899
Six reasons families pick the HKM-5874899.
Speed With a Handbrake on It
The dual-speed switch keeps parents in charge of the pace while the 14 mph top end waits for the rider to earn it. Nothing about the bike forces a stage before the rider is ready.
Range for Real Afternoons
Up to 14 miles per charge covers a full session of laps, park trips and the ride home. The rider runs out of interest long before the pack runs out of charge, which is the right order.
Brakes That Teach Properly
The disc brake gives progressive, weather-tolerant stopping, so the first lever lessons happen on hardware that behaves the same every ride. The habit transfers straight to every bike that follows.
A Frame That Absorbs the Era
The full shockingproof aluminium alloy frame is built for the drops, kerbs and tumbles of the learning years, rated to 132 lb. It survives the era it serves and stays light doing it.
Wheels That Roll Over Trouble
The 16-inch wheels hold a line through gravel, grass and pavement cracks that trap smaller wheels. Stability at walking pace is what makes first rides feel safe.
A Platform, Not a One-Off
The FXB03 platform pairs a proven frame with a 200W motor, disc brake and lithium pack in one coherent package. Parts of the story repeat across the range, which means the design is settled.
Frequently Asked Questions
Straight answers about the HKM-5874899.
What ages and heights does the HKM-5874899 fit?
The 16-inch FXB03 platform suits riders who have outgrown smaller balance bikes, typically from around age five depending on leg length. The honest check is both feet flat while seated with knees slightly bent, hands reaching the bars without a stretch. The 132 lb load rating covers most riders in the learning band, and the saddle adjusts through the growth years. If the rider is between sizes, fit at the saddle matters more than any printed age.
How fast does it go?
Top speed is up to 14 mph, with terrain and rider weight deciding where the bike settles. The dual-speed switch keeps the pace in parent hands: the calm setting paces the learning rides, and the livelier setting waits until the brake habit is automatic. The habit worth building is choosing the mode for the path before the ride starts, and moving up only when the rider stops the bike smoothly on command.
How far does one charge go?
The lithium pack covers up to 14 miles per charge of mixed riding, with hills, the faster mode and soft tires all trimming the figure. Treat the rating as a fair-weather number and ride out with the return leg in reserve. The practical habits are simple: keep the tires inflated, bring the pack indoors on cold days before judging it, and check pressure weekly, because pressure is the cheapest range there is.
How does the dual-speed switch work in practice?
The switch selects between two pace settings, and it lives where an adult can reach it. Set the calm mode for first laps and park sessions; move to the livelier mode when the rider controls the throttle smoothly and stops on command. The switch is the tool that lets one bike serve several stages, and it costs nothing to keep it conservative until the evidence is on the path.
What does the shockingproof frame actually do?
The full shockingproof build pairs the aluminium alloy structure with damping that takes the edge off bumps, kerbs and the drops of early learning. Rides stay comfortable over the cracked pavement and gravel that would otherwise end a session early, and the frame is rated to 132 lb through the growth years. Upkeep is a wipe-down after dusty rides and a glance at the axle hardware weekly.
What assembly and upkeep are involved?
Assembly covers the handlebar, saddle height and battery seating, with the supplied hex keys and the manual. Upkeep is short: tire pressure weekly, a brake squeeze test before rides, a wipe-down after dusty sessions, and the pack charged indoors at room temperature. There is nothing to lubricate on the drive side, so the whole routine fits a few minutes a week and leaves more time for riding.
Quick Troubleshooting
When the HKM-5874899 needs attention, start here.
The bike will not power on
Unclip 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 for the indicator. If it stays dark, charge for fifteen minutes and retry, check the mount contacts for grit, and confirm the wall socket with another device first. Cold packs read empty until warmed, so bring the bike indoors before judging a winter battery, and make the click part of the pre-ride routine.
The brake feels weak or gritty
Start with the rotor: a wipe with isopropyl alcohol removes the dust and film that dull the bite. Squeeze the lever and watch the pad meet the rotor evenly; a grinding sound means grit or a worn pad, which is a support conversation rather than a trailside fix. Pads at this power level wear slowly, so most weak-brake reports end at a clean rotor and a full pack. Keep a small brush in the kit for the caliper area.
The motor cut out mid-ride
A pack running low or hot will step back before it dies, so start with a full charge and a cool-down. Check the throttle connector for a half-seated plug and confirm the speed switch has not been nudged. If cutouts continue on flat ground in the calm mode with a full, cool pack, note the mode in use and contact support. Log when it happens: hills point to the pack, flat-ground cutouts point to the controller.
The range keeps shrinking
Compare riding style before blaming the pack, because hills and the faster mode use far more per mile than cruising. Check tire pressure, since soft tires cost range twice. Cold weather trims every lithium pack. If nothing has changed, run one full uninterrupted charge cycle and retest the same loop. Log the loop you retest on, because different routes make different numbers, and retest before replacing anything.
The frame creaks over bumps
Creaks usually live at the joints: check the axle nuts, the saddle clamp and the handlebar stem for torque with the supplied hex keys, then ride the same path again. Grit between mating surfaces makes a similar noise, so a clean and a re-torque settle most reports. If the creak persists from the fork area with everything tight, note when it started and contact support before riding hard terrain.
The charger light never turns green
Confirm the wall socket with another device, then reseat the charger plug at both ends. Check the pack mount contacts for grit and charge indoors at room temperature, because cold packs refuse a full cycle. If the indicator still never completes, stop forcing cycles and contact support with a note of how long charging has taken recently. Do not leave a stalled pack on the charger unattended overnight while you wait to retest.
Service & Policies
Coverage that keeps the laps coming.
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-5874899.
The HKM-5874899 is a powered ride for young children, so a certified helmet is mandatory before every ride, and closed shoes with snug laces complete the minimum kit. Start in the calm speed mode on flat, open ground until the throttle and brake are under smooth control, and let an adult approve every mode change. Confirm the battery is fully latched before each ride, squeeze the brake lever to feel the bite, and check the axle hardware and tire pressure weekly. Keep fingers, laces and loose clothing clear of the rear hub and the brake rotor while powered, and let hot parts cool after long sessions. Charge the lithium pack indoors at room temperature on a hard surface, unplug once full, and never carry a passenger.
HKM-5874899 - 16-inch FXB03 electric balance bike with a 200W motor, dual speed settings with a 14 mph top end, a lithium battery with up to 14 miles of range per charge, a disc brake and a full shockingproof aluminium alloy frame rated to 132 lb. 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.
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Manufacturing Defects
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Free repair or replacement if the product fails under normal use.
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How to File a Claim
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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.
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Request a return within 30 days of delivery.
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Comprehensive Coverage
Every part warranted for two full years.
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Claims assessed within 1 business day.
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Contact Information
24/7 Phone
+1 (209) 280-3200
support@hekomart.com
Address
3401 Dale Rd, Modesto, CA 95356
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