Balance Bikes >>
HKM-0265811 16-Inch Fat Tire Electric Balance Bike for Kids with a 36V 350W Brushless Rear Hub Motor and Dual Disc Brakes
HKM-0265811
The FXB02-16, on Fat Tires
The HKM-0265811 is the FXB02-16 fat-tire edition, a 16-inch electric balance bike running 16 x 2.125 in tires on a lightweight aluminium alloy frame with a 350W brushless rear hub motor. Two speed settings pace the ride from a calm low mode to a confident high, and the removable 36V lithium battery - in 2.5Ah or 5Ah capacity - charges in 30 to 60 minutes for 15 to 35 km of range. Disc brakes bring controlled stops, the adjustable saddle sits at 54 cm, and the 82 cm wheelbase keeps the ride planted. It is the grippy, all-surface take on the FXB02-16 platform.
Key Features
Six details that define the fat-tire FXB02-16.
Fat Tires, 16 x 2.125
The wide 16 x 2.125 in tires put a bigger contact patch on the ground, which means grip on grass, gravel and damp pavement that narrow tires cannot match. They also cushion the ride, smoothing ruts a smaller tire would telegraph to the bars.
350W Brushless Rear Hub
The 350W brushless motor lives in the rear hub and pulls smoothly from a standstill with no chain to oil or tension. Power arrives in a linear way that keeps first rides calm, with no external hardware to snag.
Two Speed Settings
Low and high modes give one bike two lives: a calm pace for the learning laps and a quicker setting for riders who have earned it. The switch stays under adult control, so the pace moves up when the skills do.
Removable 36V Battery
The 36V lithium pack unclips from the frame and charges at any wall socket in 30 to 60 minutes, in 2.5Ah or 5Ah capacity to match the session. Fifteen to thirty-five km of range covers a full afternoon of laps.
Disc Brakes, Real Stopping
The disc brake system gives reliable stopping power with a bite that modulates instead of grabbing. Young riders learn to feather a lever rather than fear it, the braking habit every later bike will thank them for.
Sized to Fit, Built to Last
The adjustable saddle sits at 54 cm with an 82 cm wheelbase underneath, with an aluminium alloy frame light enough to lift and stable enough to stay grounded. It is built for the riders who have outgrown smaller balance bikes.
Overview
A 16-inch fat-tire balance bike with dual speed, disc brakes and a removable 36V battery.
The HKM-0265811 is the FXB02-16 fat-tire edition, a 16-inch electric balance bike that trades narrow street tires for 16 x 2.125 in rubber and takes the grip everywhere else. A 350W brushless rear hub motor drives two speed settings, disc brakes deliver controlled stops, and the removable 36V lithium battery charges in 30 to 60 minutes for 15 to 35 km of riding. The aluminium alloy frame carries it all at a weight adults can lift without drama, the adjustable saddle sits at 54 cm, and the 82 cm wheelbase keeps the fat tires planted under way. It is the FXB02-16 platform with all-surface shoes on, built to make grass, gravel and pavement feel like the same road.
Grip Is the Feature
Fat tires do the work suspension would.
Wide tires cushion, grip and float where narrow ones slip and jar, and they hold a line in corners that would wash out a skinny tire. On the FXB02-16 fat-tire edition, the 16 x 2.125 in rubber smooths rough paths before the rider ever feels them.
Full Specifications
Everything worth knowing, in one table.
Why Fat Tires Belong on a First Bike
Forgiveness is a specification too.
A first powered bike is really a lesson in what happens when the ground pushes back, and fat tires make that lesson gentler. The wide 16 x 2.125 in rubber runs at lower pressure, so it swallows ruts that would jar a narrow tire into the bars, and it grips damp pavement and loose gravel where a skinny tire would wash out. That forgiveness buys young riders time to think, and time is what turns wobbles into line choices. Around the tires runs a 350W brushless rear hub with two speed settings, disc brakes and a removable 36V pack charging in 30 to 60 minutes. The aluminium alloy frame keeps the weight liftable, the adjustable 54 cm saddle spans the growth months, and the 82 cm wheelbase holds the platform steady under way.
What’s in the Box
What arrives in the box, ready to build.
1 x 16-Inch Fat Tire Bike
Frame, fork and fat wheels come fitted from the box
1 x 36V 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-0265811
Six reasons families pick the HKM-0265811.
Tires That Ride Everything
The 16 x 2.125 in fat tires grip grass, gravel and pavement alike, and they cushion the ride for free. One bike covers the whole neighbourhood without picking its surfaces.
A Pace for Every Lesson
Two speed settings mean the bike is never too slow to teach or too quick to trust. The low mode carries the learning, the high mode carries the fun, and the adults hold the switch.
Charging That Fits Real Life
The removable 36V pack charges in 30 to 60 minutes at any wall socket, so a forgotten charge never ruins a session. Choose 2.5Ah for short laps or 5Ah for the long ones.
No Chain, No Fuss
The 350W brushless motor drives from the rear hub, so there is no chain to oil, tension or snag. The weekly walkaround covers tire pressure, brakes and battery contacts and takes minutes.
Brakes That Build Trust
The disc brake system modulates instead of grabbing, so riders learn to feather a lever rather than fear it. That trust carries into every faster bike they ride later on.
Light Enough to Live With
The aluminium alloy frame keeps the FXB02-16 liftable into a boot and stable under way, with an adjustable 54 cm saddle and an 82 cm wheelbase that holds the platform planted.
Frequently Asked Questions
Straight answers about the HKM-0265811.
What ages and heights does the HKM-0265811 fit?
The fat-tire FXB02-16 suits riders who have outgrown smaller balance bikes, with an adjustable 54 cm saddle on 16-inch wheels and an 82 cm wheelbase. The honest check is both feet flat while seated with knees slightly bent and hands reaching the bars at comfortable extension. Because this is a powered bike with a high mode, also confirm the rider can work the brake lever smoothly before any change of pace, and keep the speed switch under adult control for the first weeks.
What do the fat tires actually change?
The 16 x 2.125 in tires run at lower pressure than narrow street tires, so they grip damp pavement, float over gravel and swallow ruts that would jar a smaller wheel into the bars. In practice that means fewer slides, fewer jolts and more attention left over for throttle and brakes. The trade is a little rolling resistance and slightly higher air use, which is why the pressure check belongs in the weekly walkaround.
How do the two speed settings work?
Low and high modes pace the bike through the 350W brushless rear hub, and the switch belongs to the adults. Start in low on flat, open ground until the throttle and the brake lever are under smooth control, then move up on ground with clear sight lines. The step between modes is deliberately small, so it feels like progress rather than a shock, and the high mode stays earned rather than assumed.
How far does it go and how fast does it charge?
A full charge covers 15 to 35 km depending on the battery fitted, terrain and mode, which is a long afternoon of neighbourhood laps. The removable 36V pack unclips from the frame and charges at any wall socket in 30 to 60 minutes, in 2.5Ah or 5Ah capacity. For the healthiest battery life, charge indoors at room temperature on a hard surface, unplug once the indicator shows full, and bring the pack inside on cold days.
What assembly and upkeep are involved?
Assembly covers the handlebar, saddle height and battery seating, with the supplied hex keys and the manual. Beyond that: tire pressure weekly, a brake squeeze test before rides and a wipe-down after muddy ones. The 350W brushless drive lives in the rear hub, so there is no chain to oil or tension all season. The whole routine fits a weekend morning, and the manual walks through each step with the tools supplied in the box.
Is it heavy? Can adults move it easily?
The aluminium alloy frame keeps the fat-tire FXB02-16 light enough for most adults to lift into a boot or carry up steps without drama, and the removable battery shaves the pack weight off whenever the bike travels without it. Fat tires add grams over narrow ones, but they buy back grip and cushioning that no lightweight frame can replace. At this weight the bike also stays planted and stable while riding, which matters more.
Quick Troubleshooting
When the HKM-0265811 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 twenty 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 range keeps shrinking
Compare riding style before blaming the pack, because hills, soft tires and the high mode all cost range. Check tire pressure first, since fat tires lose air quietly and soft rubber costs range twice. Cold weather trims every lithium pack. If nothing has changed, run one full uninterrupted charge cycle and retest the same loop, and log the loop you retest on before replacing anything.
The brake lever feels soft
A soft lever usually means the cable has stretched or the pads have glazed, both of which are adjustments rather than failures. Check that the rotor is clean and true first, then follow the manual for cable tension. If the lever still reaches the bar with the cable set, note when the feel changed and contact support. Stay out of the high mode until the firm bite returns, because brakes are the one system never to ride on a maybe.
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.
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 mode switch has not been nudged. If cutouts continue on flat ground in the low mode with a full, cool pack, note the mode in use and contact support. Log when it happens: climbs point to the pack, flat-ground cutouts point to the controller.
The steering feels vague or heavy
Start with tire pressure, because fat tires are the first thing to go soft and soft rubber wanders at speed. Set both tires to the pressure printed on the sidewall and retest on pavement. Next check the axle nuts and handlebar clamp for torque after transport or rough weeks. If the wander continues with everything tight and aired, note the speed where it starts and contact support before riding further.
Service & Policies
Coverage that rides every surface with you.
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-0265811.
The HKM-0265811 is a powered fat-tire balance bike, so a certified helmet is mandatory before every ride, with closed shoes and snug laces completing the kit. Start in the low mode on flat ground until the rider has the brake lever and the throttle under smooth control, with an adult approving every change of pace. Confirm the battery is fully latched before each ride, squeeze the lever to feel the bite, and check the axle hardware for torque. Keep fingers, laces and loose clothing clear of the rear hub and rotor while powered, and let hot parts cool after long sessions. Charge the 36V pack indoors at room temperature on a hard surface, unplug once the indicator shows full, and never carry a passenger.
HKM-0265811 - 16-inch FXB02-16 fat-tire electric balance bike with a 350W brushless rear hub motor, two speed settings, a disc brake system, a removable 36V lithium battery in 2.5Ah or 5Ah, 16 x 2.125 in tires 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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