Fast Answer for Busy Riders ⚡ (TL;DR)
The YUME DK11 edges out as the overall winner if you care about brutal performance per euro and don't mind getting your hands dirty with a bit of tinkering. It rides softer, hits properly scary speeds, and costs noticeably less, making it the more logical pick for riders who want maximum thrills on a realistic budget.
The Dualtron Storm New EY4 fights back with a removable battery, better weather sealing, more mature electronics, and a stronger support ecosystem - it suits riders who want something closer to a "serious vehicle" than a hot-rodded toy, and who value brand pedigree and refinement.
If you're a meticulous rider who wants a hyper-scooter you can live with daily, the Storm New EY4 still makes sense. If you mainly want to grin, slide, and blast around for less money, the DK11 is the smarter kind of reckless.
Stick around - the differences get much more interesting once we dive into comfort, practicality, and what these two are really like to live with.
There's a particular kind of rider who looks at a city map and doesn't see traffic, or parking, or bus schedules. They see lines: places to carve, hills to attack, gaps between cars to slip through. For that rider, both the Dualtron Storm New EY4 and the YUME DK11 land firmly in the "I don't just commute, I invade" category.
The Storm New EY4 is Dualtron's attempt at a grown-up hyper-scooter: brutal power, but wrapped in better electronics, a removable battery, and a more sensible cockpit. It's for the rider who wants car-replacement vibes - not just occasional Sunday giggles.
The YUME DK11, on the other hand, is your friendly neighbourhood budget rocket: big motors, big suspension, big attitude, smaller price. It's the scooter for riders who want all the drama of the high-end brands, without having to sell a kidney.
On paper they overlap heavily. On the road, they feel surprisingly different. Let's unpack where each shines - and where reality doesn't quite match the brochure.
Who Are These For, and Why Compare Them?
Both of these sit in the "hyper-scooter" category: dual motors, motorcycle-like acceleration, and enough range to do an entire day of city chaos or a serious suburban commute. They're not last-mile toys; they're small vehicles with enough punch to get you into trouble very quickly if you're careless.
Price-wise, the Storm New EY4 lives in the upper premium segment, while the DK11 is more of a "performance bargain" a tier below. Yet in terms of headline speed and acceleration, they're surprisingly close. That's why people cross-shop them: one asks, "do you want pedigree, modular battery and polish?"; the other asks, "do you want most of that performance for a lot less money?"
If you're choosing between them, you're probably an experienced rider, maybe moving up from a mid-range dual motor scooter and debating whether the Dualtron name and extras justify the extra cash - or whether the YUME's raw value is simply too good to ignore.
Design & Build Quality
Pick up (or attempt to pick up) the Storm New EY4 and it feels like a block of machined intent. The chassis is thick, angular aluminium, the folding neck is heavily reinforced, and the whole scooter has this "industrial cyberpunk" look - more armoured personnel carrier than personal transporter. The removable deck-battery is neatly integrated; nothing looks bolted on as an afterthought.
The DK11 goes for "functional aggression". Big steel swingarms, exposed suspension, visible bolts everywhere. It absolutely looks the part - more like a small dirt bike without a seat than a scooter. Build quality is decent, but out of the box it feels less "finished product" and more "project that wants a loving owner with a toolbox". Nothing dramatic, but tolerances and finishing are not at Dualtron level.
On the handlebars, the Storm's EY4 cockpit is far more modern. The huge colour display, app connectivity and neatly integrated controls make it feel like a proper 2025 machine. The DK11's trigger-throttle display and clutter of switches are perfectly usable but very "generic Chinese scooter" - functional, not inspiring.
If you care about refinement and long-term fit-and-finish, the Storm takes this round. If you just want a rugged-looking, unapologetically mechanical beast and you're not precious about tiny rattles or mismatched anodising, the DK11 is fine - just not quite in the same league.
Ride Comfort & Handling
Comfort is where their design philosophies really split.
The Storm New EY4 uses Dualtron's classic rubber cartridge suspension. It's firm, controlled and clearly tuned with high-speed stability in mind. On smooth tarmac, it feels composed and confidence-inspiring - almost like a heavy sports bike on good tyres. But take it over rough city cobblestones or broken bike lanes and the message is clear: "I'm here to go fast, not to hug you." Short, sharp impacts are muted, but bigger imperfections and potholes are transmitted through the deck more than you'd expect at this price.
The DK11 counters with a motorcycle-style hydraulic front fork and dual spring shocks at the rear. The first time you roll off a kerb or hit a nasty patch of patched asphalt, you can feel the difference. The front end actually absorbs hits instead of just surviving them; the rear has enough travel to take the edge off bigger bumps. It's still a stiff, heavy scooter, but it's genuinely more forgiving when the road turns nasty, especially with those large, air-filled tyres doing their part.
Handling-wise, the Storm feels a bit more "locked in" at very high speeds. The wide bars and long, heavy chassis give you a planted sensation when you're flat out on a straight. The DK11 is also stable, but with its more compliant front end and knobby tyres, it feels a tad more lively - not unstable, just more willing to move around underneath you, especially off-road or on uneven tarmac.
For pure comfort on bad surfaces and mixed terrain, the DK11 is easier to live with. For that slightly more precise, "carving a clean line at silly speeds" feeling, the Storm holds a narrow edge - as long as your roads aren't terrible.
Performance
Both scooters live firmly in the "if you have to ask whether you need this, you probably don't" category of performance.
The Storm New EY4 hits like a proper high-voltage machine. The dual motors and 72 V system deliver that trademark Dualtron shove: squeeze the throttle and the horizon pulls towards you in a smooth, relentless surge. It doesn't just leap off the line; it keeps pushing hard well into speeds that would make a traffic cop very interested in your life choices. Thanks to the EY4, you can dial the power back for saner city use, but even in tamer settings it always feels muscular.
The DK11, running a lower voltage but still strong dual motors, is surprisingly close in the real world. Off the line, especially in dual-motor Turbo mode, it snaps forward with enough violence to make inexperienced riders regret not bending their knees. It feels a bit more "spiky" in its power delivery - that classic square-wave-style hit - whereas the Storm's power feels more linear and controlled, even if equally dangerous if you're careless.
Top-speed sensation? Both are terrifyingly fast for something you stand on. The Storm has the longer legs once you're deep into "this is clearly no longer a bicycle" territory, but you need a very long, safe stretch and a strong stomach to explore the difference. The DK11 will get you comfortably into the zone where wind roar in your helmet and the vibration through the deck remind you that human beings were not really designed to stand at these speeds.
Hill climbing is almost a non-topic: neither of these scooters cares about your local inclines. The Storm, with its higher voltage and cooling improvements, feels more effortless on long, steep climbs; it just keeps pulling without drama. The DK11 doesn't embarrass itself though - it charges up hills that would stop mid-tier scooters dead, only really showing its lower-voltage roots when the battery drops deeper into the discharge curve.
Braking performance is strong on both. The Storm's branded hydraulics plus motor braking feel a bit more refined and predictable, particularly at higher speeds, while the DK11's system is powerful but can feel a touch more abrupt until you've dialled in your lever feel and E-ABS settings to taste.
Battery & Range
The Storm New EY4 carries a huge, high-quality battery using premium branded cells - and you can feel that in how it delivers power. It holds voltage well under load, so you don't get that depressing "half-battery and already sluggish" feeling as quickly. Real-world range, ridden like an actual hyper-scooter (mixed speeds, some fun bursts, some eco cruising) is robust enough to do long country loops or serious city days without constantly eyeing the voltage readout. Ride like a saint and you'll go very far; ride like a hooligan and you'll still get a respectable amount of fun-time before limping home.
The DK11's pack is smaller and built to a price. It's still big enough to give you solid range - a couple of hours of spirited mixing of full-throttle blasts and moderate cruising - but if you ride both back-to-back at similar speeds, the Storm will outlast it. You also feel performance taper a bit sooner on the DK11 as charge drops, simply because the system has less headroom.
On the flip side, the DK11's dual charging ports make practical sense: with two chargers, you can get it back to full in a working day, which is perfectly usable for commuting. The Storm's giant pack obviously takes longer in absolute terms, though the included fast charger prevents it from being completely ridiculous. The removable battery also means you can charge indoors while the chassis lives in your garage or bike room - a genuinely underrated quality-of-life feature.
Range anxiety? On the Storm, it's almost a non-issue unless you're doing marathon group rides at silly speeds. On the DK11, you're more aware of the gauge if you're heavy on the throttle all the time, but for most riders it's still more than enough scooter for a single day's mischief.
Portability & Practicality
Let's be honest: neither of these is "portable" in the normal sense of the word. You don't fold them and casually stroll into a café like a rental scooter influencer.
The Storm New EY4 is brutally heavy. Manoeuvring it in a tight hallway or lifting it into a car boot is an event. The folding mechanism itself is solid and confidence-inspiring, but once folded you're still dealing with a large, dense object that wants to stay exactly where gravity puts it. The saving grace is the removable battery: you can leave the chassis downstairs or in a garage and just carry the battery upstairs. It's no feather either, but it's much more manageable than the whole scooter.
The DK11 is also no featherweight, but the lower mass does help. If you occasionally need to lift it into an SUV or up a short set of steps, it's the less back-breaking of the two. The folding clamp is sturdy enough, though like many budget hypers you'll be well advised to check it periodically and keep it correctly adjusted to avoid stem play creeping in.
In day-to-day use, the Storm feels more like a serious transport tool: better weather sealing, more integrated lights and signals, a cockpit that doesn't demand much fiddling, and that removable battery for awkward charging situations. The DK11 behaves more like a recreational power toy that happens to be capable of commuting - brilliant fun, workable for transport, but you do accept a bit more compromise and faff.
Safety
On safety, both scooters hit most of the right notes, but they get there differently.
The Storm New EY4 leans heavily into "serious vehicle" territory: powerful hydraulic discs, strong regenerative braking, very bright front lighting that actually lets you see at decent speed, integrated turn signals, and excellent lateral visibility thanks to all the RGB and body lighting. Add the wider bars and reinforced stem, and it feels very planted at speed - less twitchy, less drama, more "point and go". The high water-resistance rating also matters here; being less stressed about that unexpected shower is a real safety win.
The DK11 checks the same spec boxes on paper - hydraulic brakes, electronic braking, strong headlights, turn signals - but with a few caveats. The lights are bright enough, but placement and finish aren't quite as polished. The off-road tyres give you a huge contact patch and great stability when it's dry or on dirt, but on wet tarmac they demand more respect: knobby profiles simply don't bite as nicely as road tread in the rain.
In terms of braking confidence, the Storm feels more refined and predictable, especially when you're hammering down from very high speeds. The DK11 stops hard enough, but overall safety on that scooter is a little more dependent on the owner: tightening bolts, keeping everything aligned, and making sure the hardware is dialled in.
Community Feedback
| DUALTRON Storm New EY4 | YUME DK11 |
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What riders love
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What riders love
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What riders complain about
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What riders complain about
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Price & Value
This is the section where the DK11 starts grinning.
The Storm New EY4 sits in the upper price band. You are paying for brand heritage, high-quality cells, better water resistance, a removable battery, the EY4 display, and a generally more mature package. It holds value reasonably well, and you get access to a well-established ecosystem of spares and upgrades. But if you strip it down to a spreadsheet of watts, volts, and claimed range per euro, it's not a bargain - it's a flagship product with a flagship tax.
The DK11 is almost the opposite story: you get frightening performance, proper dual suspension, big tyres and a biggish battery for quite a bit less money. The trade-offs are obvious once you look closely - finishing, quality control, some components - but the value proposition is hard to argue with. You give up some polish, you save a large chunk of cash, and you still get a scooter that will outrun most things on the bike lane by a very unhealthy margin.
If your budget is real-world constrained and you want the most speed and range per euro, the DK11 is clearly the stronger deal. If you can afford to pay extra for nicer details, better weather protection, and a more OEM-feeling experience, the Storm makes a rational - if not exactly frugal - case for itself.
Service & Parts Availability
Dualtron has been around the block. In Europe, that means authorised dealers, easier warranty handling, and reasonably straightforward access to original parts even years down the line. Need a specific suspension cartridge or a replacement EY4? You'll find it, and you'll probably find a YouTube tutorial from another owner who already did the job three times.
YUME, by contrast, operates largely via direct-to-consumer channels and a network of resellers. Parts are available, and generic components (brakes, tyres, some hardware) are easy to find, but you're much more in "DIY e-scooter culture" territory. For some riders that's half the fun. For others, the thought of diagnosing an electrical gremlin over email with a time-zone-shifted support rep is less attractive.
If you want a scooter that slots more easily into a traditional dealer-service model, the Storm is the safer choice. If you're comfortable wrenching and ordering spares online, the DK11's support landscape is perfectly workable, just less polished.
Pros & Cons Summary
| DUALTRON Storm New EY4 | YUME DK11 |
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Cons
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Parameters Comparison
| Parameter | DUALTRON Storm New EY4 | YUME DK11 |
|---|---|---|
| Motor power (peak) | 11.500 W dual hub (peak) | 5.600 W dual hub (peak) |
| Nominal system voltage | 72 V | 60 V |
| Top speed (claimed) | 88-100 km/h (conditions dependent) | 80-90 km/h (conditions dependent) |
| Battery | 72 V 35 Ah, ca. 2.520 Wh, LG 21700, removable | 60 V 26 Ah, ca. 1.560 Wh (variant dependent) |
| Max range (claimed) | Up to 144 km (eco) | Up to ca. 90-96 km (eco) |
| Realistic mixed range | Ca. 70-90 km (spirited mix) | Ca. 50-65 km (spirited mix) |
| Weight | 55,3 kg | Ca. 45,0 kg (mid-point of range) |
| Max load | 150 kg | 150 kg |
| Brakes | NUTT hydraulic discs + magnetic ABS | Hydraulic discs + E-ABS |
| Suspension | Adjustable rubber cartridges, front & rear | Front hydraulic fork + rear dual coil springs |
| Tyres | 11" ultra-wide tubeless road tyres | 11" off-road tubeless tyres |
| Water resistance | IPX5 body, IPX7 display | IPX4 |
| Charging time | Ca. 5-6 h with fast charger (included) | Ca. 10-12 h single charger, ca. 6 h dual |
| Display / controls | EY4 widescreen LCD, Bluetooth, app | Colour LCD with trigger throttle (QS-S4 style) |
| IP rating | IPX5 chassis | IPX4 |
| Approximate price | Ca. 3.587 € | Ca. 2.307 € |
Final Verdict - Which Should You Choose?
If you strip away the marketing, both of these are imperfect but genuinely impressive hyper-scooters. They just sit on opposite ends of the same spectrum.
The Dualtron Storm New EY4 is the choice for riders who want something that feels closer to a "real vehicle" than an overpowered toy. It offers more range, a better-quality battery, stronger weather resistance, a more mature cockpit, and a well-developed ecosystem of parts and support. It's also brutally heavy, not especially plush on rough roads, and not exactly cheap for what you get on paper - but it feels coherent. If you want to use your scooter as daily transport in all kinds of conditions and you can live with the weight and price, the Storm is the safer, more grown-up decision.
The YUME DK11 is for riders whose priorities are simpler: maximum performance per euro and a comfortable ride over bad surfaces, with less concern for brand prestige or showroom polish. It's faster than anyone really needs, its suspension is kinder to your joints, and the price undercuts the Dualtron hard enough to make you think twice about that badge. In return, you accept a bit more fettling, a little more noise and wobble around the edges, and a generally more "enthusiast DIY" ownership experience.
If I had to pick for a rider who wants a fun, fast machine primarily for leisure, weekend blasts, and the occasional commute, I'd point them to the YUME DK11 and tell them to budget for tools and safety gear. If I were advising someone who genuinely wants to replace a car for medium-distance commuting in mixed weather, and who prefers something more sorted and less hands-on, the Dualtron Storm New EY4 still justifies its place - but it asks a lot from both your wallet and your lower back.
Numbers Freaks Corner
| Metric | DUALTRON Storm New EY4 | YUME DK11 |
|---|---|---|
| Price per Wh (€/Wh) | ✅ 1,42 €/Wh | ❌ 1,48 €/Wh |
| Price per km/h of top speed (€/km/h) | ❌ 37,76 €/km/h | ✅ 27,14 €/km/h |
| Weight per Wh (g/Wh) | ✅ 21,94 g/Wh | ❌ 28,85 g/Wh |
| Weight per km/h (kg/km/h) | ❌ 0,58 kg/km/h | ✅ 0,53 kg/km/h |
| Price per km of real-world range (€/km) | ❌ 44,84 €/km | ✅ 40,12 €/km |
| Weight per km of real-world range (kg/km) | ✅ 0,69 kg/km | ❌ 0,78 kg/km |
| Wh per km efficiency (Wh/km) | ❌ 31,50 Wh/km | ✅ 27,13 Wh/km |
| Power to max speed ratio (W/km/h) | ✅ 121,05 W/km/h | ❌ 65,88 W/km/h |
| Weight to power ratio (kg/W) | ✅ 0,00481 kg/W | ❌ 0,00804 kg/W |
| Average charging speed (W) | ✅ 458,18 W | ❌ 260,00 W |
These metrics give a very dry, engineering-style snapshot: cost efficiency (price per Wh, per km/h, per km), mass efficiency (how much scooter per unit of energy, speed or range), energy efficiency on the road (Wh/km), how aggressively power is deployed (W per km/h), and how quickly you can get back on the road (average charging speed). They don't say how either scooter feels, but they do reveal where each one is objectively more "efficient" on paper.
Author's Category Battle
| Category | DUALTRON Storm New EY4 | YUME DK11 |
|---|---|---|
| Weight | ❌ Extremely heavy chassis | ✅ Lighter, still hefty |
| Range | ✅ Bigger battery, goes further | ❌ Shorter real range |
| Max Speed | ✅ Higher top-end potential | ❌ Slightly lower ceiling |
| Power | ✅ Stronger peak output | ❌ Less brutal overall |
| Battery Size | ✅ Much larger, removable pack | ❌ Smaller fixed battery |
| Suspension | ❌ Firm, harsh on bad roads | ✅ Softer, more forgiving |
| Design | ✅ More cohesive, industrial | ❌ Functional, less refined |
| Safety | ✅ Better lighting, water proofing | ❌ Good, but less polished |
| Practicality | ✅ Removable battery, commuter-ish | ❌ Needs garage, less flexible |
| Comfort | ❌ Firm, performance biased | ✅ Smoother over rough stuff |
| Features | ✅ EY4, app, better cockpit | ❌ Generic display, simpler |
| Serviceability | ✅ Strong dealer/parts network | ❌ DIY, online parts hunting |
| Customer Support | ✅ Generally stronger via dealers | ❌ Mixed, direct-from-China |
| Fun Factor | ❌ Serious, slightly clinical | ✅ Chaotic, grin-inducing |
| Build Quality | ✅ More solid, better finished | ❌ Rough edges, QC issues |
| Component Quality | ✅ Higher-end cells, hardware | ❌ More budget component mix |
| Brand Name | ✅ Established premium reputation | ❌ Newer, value-focused |
| Community | ✅ Huge Dualtron owner base | ✅ Massive YUME modding crowd |
| Lights (visibility) | ✅ Excellent all-round lighting | ❌ Bright but less integrated |
| Lights (illumination) | ✅ Strong, well-aimed headlights | ❌ Bright, but less refined |
| Acceleration | ✅ Stronger overall, higher volts | ❌ Fast, but less savage |
| Arrive with smile factor | ❌ Impressive, but more serious | ✅ Stupidly fun every ride |
| Arrive relaxed factor | ✅ Stable, predictable chassis | ❌ More lively, attention needed |
| Charging speed | ✅ Faster average, big charger | ❌ Slower even dual-charging |
| Reliability | ✅ More mature, proven platform | ❌ QC variability, bolt issues |
| Folded practicality | ❌ Huge, very heavy folded | ✅ Slightly more manageable |
| Ease of transport | ❌ Brutal to lift, move | ✅ Still heavy, but easier |
| Handling | ✅ Planted at high speed | ❌ More playful, less precise |
| Braking performance | ✅ Strong, refined feel | ❌ Powerful, less polished |
| Riding position | ✅ Wide bars, roomy deck | ✅ Wide, comfortable stance |
| Handlebar quality | ✅ Sturdy, upgraded width | ❌ Functional, more basic |
| Throttle response | ✅ Better tunability via EY4 | ❌ Jerky trigger feel |
| Dashboard / Display | ✅ Large, modern, app-ready | ❌ Small, generic unit |
| Security (locking) | ✅ Better integration, app lock | ❌ Basic ignition, manual lock |
| Weather protection | ✅ Higher IP, better sealing | ❌ Lower IP, more caution |
| Resale value | ✅ Holds value reasonably well | ❌ Drops faster, less demand |
| Tuning potential | ✅ Huge aftermarket ecosystem | ✅ Popular mod platform |
| Ease of maintenance | ❌ Heavier, more involved tasks | ✅ Simpler, DIY-friendly layout |
| Value for Money | ❌ Expensive for what you get | ✅ Outstanding spec for price |
Overall Winner Declaration
In the Numbers Freaks Corner, the DUALTRON Storm New EY4 scores 6 points against the YUME DK11's 4. In the Author's Category Battle, the DUALTRON Storm New EY4 gets 30 ✅ versus 12 ✅ for YUME DK11 (with a few ties sprinkled in).
Totals: DUALTRON Storm New EY4 scores 36, YUME DK11 scores 16.
Based on the scoring, the DUALTRON Storm New EY4 is our overall winner. In the end, the YUME DK11 wins this particular face-off because it captures the wild, slightly irresponsible joy of big scooters at a price that feels far easier to justify. It's rougher around the edges, but it delivers that addictive shove and plush ride that makes you want to take the long way home every single time. The Dualtron Storm New EY4 is still the more serious, grown-up choice - a machine you could actually rely on as transport rather than just entertainment - but it feels a little too heavy, too stiff and too expensive to be truly irresistible. If you want a sensible hyper-scooter, the Storm makes sense; if you want to feel alive every time you open the throttle, the DK11 is the one that will keep you coming back.
That's our verdict when we try to stay objective – but hey, riding is mostly about emotions anyway, so pick the one that will make you look forward to your commute every single day.

