Adult Tank vs Childhood Legend: SOFLOW SO4 Gen 3 vs Razor E100 - Which Scooter Actually Makes Sense?

SOFLOW SO4 Gen 3 🏆 Winner
SOFLOW

SO4 Gen 3

581 € View full specs →
VS
RAZOR E100
RAZOR

E100

157 € View full specs →
Parameter SOFLOW SO4 Gen 3 RAZOR E100
Price 581 € 157 €
🏎 Top Speed 20 km/h 16 km/h
🔋 Range 30 km 10 km
Weight 16.5 kg 13.2 kg
Power 900 W 200 W
🔌 Voltage 36 V 24 V
🔋 Battery 280 Wh 132 Wh
Wheel Size 10 " 8 "
👤 Max Load 150 kg 54 kg
Speed Comparison

Fast Answer for Busy Riders ⚡ (TL;DR)

The SOFLOW SO4 Gen 3 is the clear overall winner here for anyone who is even vaguely adult-sized or thinking about real-world transport, not just backyard laps. It offers proper brakes, serious load capacity, legal-friendly speed limits, and a generally grown-up riding experience, even if its range is pretty underwhelming for the money.

The Razor E100, meanwhile, is still a fantastic children's scooter - tough, simple, and fun - but as a piece of modern e-mobility, it's noisy, heavy for what it does, and let down by old-school batteries and marathon charging times.

Choose the SOFLOW if you want to commute or cover mixed city ground; choose the Razor E100 only if you're buying for an 8-12 year old who will mostly ride around flat neighbourhood pavements.

If you want the full story - including what actually happens after a few kilometres of bad pavement and some honesty about both scooters' weak spots - keep reading.

Urban pavements have become a zoo of scooters: rental fleets, performance monsters, folding toys that sound like a scrapyard on wheels. Somewhere in the middle sits the SOFLOW SO4 Gen 3 - a "serious" commuter with Swiss branding, a stout frame, and a battery that, frankly, could use a growth spurt.

On the other side we have the Razor E100, a scooter that has probably been the first taste of electric power for more kids than any other model on the planet. It's iconic, tough, and wonderfully simple - but also anchored in an era when lead-acid batteries still seemed like a good idea.

The SOFLOW SO4 Gen 3 is for adults who actually need to get somewhere. The Razor E100 is for kids who just need to ride in circles and come home grinning.

Let's dig into how they really compare when you stop reading the marketing blurbs and actually put wheels to tarmac.

Who Are These For, and Why Compare Them?

SOFLOW SO4 Gen 3RAZOR E100

On paper, these scooters live in different universes: one is an adult commuter, the other a kid's toy. In reality, they often end up on the same shopping list because parents and teens look at price first and only later notice details like "maximum load" and "this one has a bicycle horn printed on the box."

The SOFLOW SO4 Gen 3 sits in the mid-priced adult commuter bracket: strong enough for heavier riders, capped to legal city speeds, and pitched as a daily transport tool. The Razor E100 lives in the budget youth segment, costing a fraction of the SOFLOW and delivering controlled fun for pre-teens.

They end up competing in one crucial scenario: families deciding whether to "save" money by putting a smaller teen on a kids' scooter, or stretch the budget and buy something that can also serve as a short commuter vehicle.

So, is the SOFLOW worth stepping up to, and is the E100 still a sensible entry into the e-mobility world? Let's go section by section.

Design & Build Quality

Specs Comparison

Pick up the SOFLOW SO4 Gen 3 and the first thought is: "This is not a toy." The frame feels chunky and overbuilt in a reassuring way, with thick welds and a stem that doesn't flex like a fishing rod when you lean on it. The wide deck and integrated display give it a clean commuter look. It's not beautiful, but it looks like it means business - more work boot than fashion sneaker.

The Razor E100, by contrast, is very obviously a kids' machine. Steel frame, exposed chain (on classic versions), bright colours, and plasticky touches that scream "garage toy" rather than "vehicle." To its credit, the steel chassis is practically indestructible; these things survive years of abuse, drops, and sibling wars. But you feel the age of the design - it looks like the early 2000s never ended, in both good and bad ways.

In the hands, the SOFLOW feels denser, more refined, and more tightly assembled. Cables are reasonably well routed; the deck rubber feels made for actual commuting shoes. The Razor feels solid but crude: sturdy, simple, and zero finesse. As a grown-up tool, the SOFLOW wins easily; as a kids' beater that will live next to the lawnmower... the Razor makes sense, but you're not exactly admiring the engineering.

Ride Comfort & Handling

With the SOFLOW SO4 Gen 3, comfort is a game of compromise. There's no suspension, so all the work is done by the tall, air-filled tyres and your knees. On decent city tarmac and bike paths, it's fine - you get a pleasantly stable ride, the longer wheelbase settles the scooter, and the wide deck lets you move your feet around to avoid numb ankles. After about 5 km on broken sidewalks and patchy repairs, though, you start to feel every expansion joint and lazily filled pothole in your lower back.

The Razor E100 is even more of a mixed bag. The front air tyre genuinely helps; it dulls the buzz of cracked pavements and makes turning feel controlled rather than skittish. Then the rear wheel reminds you that it's essentially a big skateboard wheel: hit rougher asphalt and the vibration goes straight through your heels. On smooth concrete paths, it's perfectly pleasant. On coarse or badly aged surfaces, it turns into a rattly little pogo stick - fun, but you wouldn't want to stand on it for long if you had adult joints.

In cornering, the SOFLOW feels like a modest urban scooter should: planted, predictable, and forgiving. You can lean into city curves without thinking too much about it. The Razor demands more respect: small wheels and a short wheelbase mean it can feel twitchy if a child overcorrects. It's not dangerous in its intended speed range, but you definitely feel that it's built around "play" not "precision."

For real-world daily use, the SOFLOW wins on comfort and handling by default. The E100 is comfortable enough for kids and short bursts, but you wouldn't willingly commute on it unless you'd lost a bet.

Performance

The SOFLOW SO4 Gen 3's motor is one of its better stories. It doesn't launch like a rocket, but it pulls cleanly and confidently up to its legally capped speed. From standing starts at traffic lights, it feels brisk enough to get you out of the danger zone without drama. Even loaded up with a backpack and a heavier rider, it doesn't wilt the moment the road starts to tilt upwards; it grinds up typical urban ramps and bridges with a steady, slightly determined hum rather than a desperate whine.

Top speed is modest and very much by-the-rules, but the scooter feels comfortable sitting at that limit. The throttle response is smooth and progressive, without that cheap "on/off twitch" that can throw new riders off balance. Braking performance matches this grown-up temperament: dual mechanical discs bite firmly and with decent modulation. You feel you can actually control your stopping distance rather than just yanking at a vague lever and hoping for the best.

The Razor E100 operates in a totally different universe. The throttle is effectively binary: twist, and you get full beans from the motor; release, and it coasts. At this power level that's fine - acceleration is lively for a child but hardly violent. From the perspective of a parent watching from the pavement, the speed builds quickly enough to be exciting, but never into the territory of "how fast is the nearest A&E?"

On flat ground, an E100 will zip around happily and hold its modest top speed with a buzzing soundtrack that the neighbours may or may not love. Point it at a real hill, though, and the limitations are brutal. Small incline? It slows. Bigger climb? The child ends up kick-pushing a "powered" scooter, which gets old very quickly. Braking with the front caliper is acceptable in the E100's speed window, but you're relying on a simple bicycle-style setup that feels more "park toy" than transport device.

If we're brutally honest: the SOFLOW feels like a vehicle, the E100 feels like a powered toy. For commuting, mixed terrain, and heavier riders, the SOFLOW is in a different league entirely.

Battery & Range

This is where the SOFLOW SO4 Gen 3 starts tripping over its marketing. The claimed maximum range sounds okay on a brochure, but in real city riding, especially at full speed with an adult on board, you are very much in "short-hop commuter" territory. Expect a comfortable one-way ride across town, not a grand tour of the suburbs. Push it hard, ride it fast, add some hills, and the battery gauge drops in a way that makes you plan your return leg earlier than you'd like.

The upside is that charging is relatively painless. Plug it in at the office and by the time you've finished your working day and a couple of meetings-that-should-have-been-emails, you're back to full or very close. In a typical commute-and-charge rhythm it works, but there's no escaping that for its price, the battery feels a size too small.

The Razor E100 is a different kind of limited. Instead of kilometres, you think in minutes. Around three quarters of an hour of continuous rolling is realistic, depending on rider weight and terrain. It's honestly not terrible for a kids' session - most children are ready for snacks by then - but the chemistry bites back when you hit the socket. A full recharge takes the better part of half a day. Forget to plug it in after an afternoon ride and tomorrow's fun is cancelled or cut short.

You also feel the characteristic power fade of lead-acid: the first run around the block feels sprightly, then, as the session wears on, the scooter gets a little lazier. That's fine as a built-in "time to go home" sign, but it does mean the riding experience is less consistent than with modern lithium packs.

In raw practicality, the SOFLOW clearly wins: more range, more consistent performance, far more tolerable charge times. It's just hard not to wish the SOFLOW's pack was a bit more generous for the asking price.

Portability & Practicality

The SOFLOW SO4 Gen 3 lands in that awkward middle ground: just light enough to haul up a couple of flights of stairs without inventing new swear words, just heavy enough that you wouldn't want to do it daily if you live on the fourth floor with no lift. The folding mechanism is straightforward and reasonably confidence-inspiring; you can fold it quickly at the station or office. The fixed-width handlebars, however, do make it a bit of a sideways battering ram in crowded train aisles.

In day-to-day use, it's easy to live with: ride to the office, fold, park next to a desk or in a corner, plug in, repeat. It's not a "throw in a backpack" scooter - nothing in this category is - but it behaves like a sensible urban tool.

The Razor E100, despite being technically lighter, actually feels more awkward in practice. It doesn't fold in the quick commuter sense; at best you loosen things and partially collapse it for storage. That's not something you do on a station platform. The weight is concentrated thanks to those old-school batteries, and the shape is bulky. An adult can lift it into a car boot without drama, but a child certainly won't be carrying it far. When the battery dies halfway to the playground, it becomes an unusually heavy push scooter.

As a "park from the garage and ride around the neighbourhood" machine, the Razor is perfectly practical. As anything involving public transport, small lifts, or daily lugging, it's really not. The SOFLOW at least tries to live in the real commuting world, and it mostly manages.

Safety

On the SOFLOW SO4 Gen 3, safety is one of the better-executed themes. Dual mechanical disc brakes give you proper, repeatable stopping power - you feel exactly how much grip you're asking from the tyres. The large air-filled tyres offer decent traction, especially on damp city streets where smaller solid wheels can feel like marbles on glass. The frame is stiff and confidence-inspiring, and at its capped speeds the scooter feels planted rather than nervous.

The integrated turn signals are more than a gimmick: being able to indicate without taking a hand off the bars is genuinely useful in traffic. Add a bright headlight and a compliant rear light, and you've got a package that's actually visible, not just "technically illuminated." The NFC immobiliser is more about theft prevention, but it does keep random hands from suddenly joyriding your scooter away.

The Razor E100 takes a simpler route. The kick-to-start feature is excellent for kids - no unexpected lurch when someone twists the throttle while stationary. Speed is limited to a child-appropriate level, and the wide deck and low centre of gravity make it reasonably stable for young riders. However, the lack of integrated lighting (unless you go for a special variant) means it's clearly a daytime vehicle; you'll want to add separate lights if there's any chance of evening use.

The front caliper brake works adequately at the E100's modest speeds, but it's a world away from the redundancy and stopping power of dual discs. For garden paths and cul-de-sacs, that's enough. For road-adjacent riding in real traffic? Not something I'd happily recommend.

From an adult safety perspective, the SOFLOW is in another class. For kids in a controlled environment, the Razor is safe enough - but it's not a scooter that belongs anywhere near real urban traffic.

Community Feedback

SOFLOW SO4 Gen 3 Razor E100
What riders love:
  • Sturdy frame and high load rating
  • Strong dual disc brakes
  • Turn signals and bright lights
  • Solid hill-climbing for a single motor
  • Wide, stable deck and big tyres
What riders love:
  • Extremely durable steel frame
  • "Just right" speed for kids
  • Simple, tough mechanics
  • Easy access to spare parts
  • Kids adore the twist throttle
What riders complain about:
  • Real-world range well below claim
  • Small battery for the price
  • No suspension, can feel harsh
  • Occasional brake noise and adjustment fiddling
  • Mixed reports on app and customer service
What riders complain about:
  • Very long charging time
  • Heavy for kids to carry
  • Chain noise on older variants
  • Weak on hills, slows dramatically
  • Rear solid wheel harsh on rough ground

Price & Value

Viewed purely through the adult commuter lens, the SOFLOW SO4 Gen 3's value is... situational. If you're a heavier rider who needs a legally compliant scooter that won't complain under your weight and gives you proper brakes and indicators, it starts to look like a rare bargain in its niche. You're paying less for battery size and more for frame strength and safety hardware, and in that specific use case it makes sense.

If you're an average-weight rider simply chasing maximum distance per euro, though, the SOFLOW's maths is less flattering. Other scooters in the same price bracket quietly push more battery capacity and longer real-world range, even if they can't match the load rating or brake spec. You don't feel short-changed on quality, but you do feel that the range figure is stuck one generation behind the price.

The Razor E100, on the other hand, offers very strong value for its role. For the cost of a mid-range video game console, you get a durable, repairable scooter that will survive years of kid abuse and then be sold on or handed down. Yes, the technology is dated and the battery chemistry is straight out of an old UPS, but the fun-per-euro is difficult to argue with in a children's context.

Would I recommend the E100 as "cheap transport" for a light teenager or adult? No. As a kids' fun machine, though, it delivers far more than its price tag suggests.

Service & Parts Availability

SOFLOW is a known brand in the DACH region and broadly in Europe. You can get support, but feedback is uneven: some riders report smooth warranty handling, others complain about slow or unhelpful responses, especially around parts delays. It's not a ghost brand, but you do sometimes get the sense the service department is running a bit lean for the number of scooters out there.

Razor, by contrast, runs more like an old-school hardware company. Need a specific screw, chain, brake lever or even a throttle for an ageing E100? In most European markets you can simply order it, and the documentation is clear enough that a moderately handy parent can get the scooter running again in an evening. That ecosystem is a genuine plus and one of the reasons E100s refuse to die quietly.

For adult commuting reliability and legal compliance, the SOFLOW ecosystem still wins by virtue of being designed for roads and regulations. For sheer ease of keeping a toy alive over a decade, Razor's spares network is hard to beat.

Pros & Cons Summary

SOFLOW SO4 Gen 3 Razor E100
Pros
  • Very sturdy frame with high load capacity
  • Dual disc brakes with strong stopping power
  • Large pneumatic tyres for stability and grip
  • Integrated turn signals and bright lighting
  • NFC immobiliser and app features
  • Decent hill performance for an urban scooter
  • Comfortable, wide deck and adult-friendly ergonomics
Pros
  • Extremely durable, kid-proof construction
  • Safe, child-appropriate top speed
  • Simple controls and shallow learning curve
  • Good parts availability and easy repairs
  • Pneumatic front tyre improves safety and comfort
  • Great fun factor for younger kids
  • Very affordable purchase price
Cons
  • Underwhelming real-world range for the price
  • No suspension; rough on bad surfaces
  • Heavier than ideal for frequent carrying
  • Battery capacity lags some competitors
  • Customer support reputation is mixed
Cons
  • Very long charging time per ride
  • Lead-acid battery tech feels archaic
  • Weak hill-climbing ability
  • Solid rear wheel transmits vibrations
  • No integrated lights on base model
  • Heavy and non-folding, awkward to carry
  • Binary throttle not as refined

Parameters Comparison

Parameter SOFLOW SO4 Gen 3 Razor E100
Motor power (nominal) 450 W hub motor 100 W hub/chain motor
Top speed 20-25 km/h (region dependent) 16 km/h
Claimed range 30 km 9,65 km (≈ 40 min)
Realistic range (adult / child) 15-20 km (urban riding) 7-10 km equivalent
Battery 36 V, 7,8 Ah (≈ 280 Wh), Li-ion 24 V, 5,5 Ah (132 Wh), lead-acid
Weight 16,5 kg 13,15 kg
Max load 150 kg 54 kg
Brakes Front & rear mechanical disc Front hand-operated caliper
Suspension None (pneumatic tyres only) None (front pneumatic, rear solid)
Tyres 10 inch pneumatic front & rear 8 inch pneumatic front, solid rear
Water resistance IPX4 (light rain) Not specified (dry use recommended)
Charging time 3-5 hours 12 hours
Approximate price 581 € 157 €

 

Final Verdict - Which Should You Choose?

As much as I enjoy the nostalgia of the Razor E100 and respect what it has done for a whole generation of young riders, these two scooters are not equals once you step into the adult world. The SOFLOW SO4 Gen 3, for all its flaws, is an actual transport solution: it carries real adults, copes with everyday hills, stops properly, and behaves like a small vehicle rather than a noisy toy.

If you are buying for yourself, for a teenager approaching adult height and weight, or for anyone who might use a scooter to actually commute - the SOFLOW is the only sensible option here. You trade away long-range capability and suspension comfort, but you gain structural confidence, proper safety kit, and the ability to stay on the right side of European regulations. It's not exciting, but it does the job with a kind of pragmatic honesty.

The Razor E100 still has a place - as a first electric scooter for children under roughly early-teen age, on flat suburban ground, well away from traffic. In that role, it's excellent value and almost bomb-proof. Try to stretch it beyond that role and its weaknesses start screaming louder than its chain drive.

So: adult or near-adult rider? Get the SOFLOW SO4 Gen 3 and live with the limited range. Buying for an 8-12 year old who just wants to blast around the cul-de-sac? The Razor E100 will do exactly that, and probably survive to tell the tale.

Numbers Freaks Corner

Metric SOFLOW SO4 Gen 3 Razor E100
Price per Wh (€/Wh) ❌ 2,08 €/Wh ✅ 1,19 €/Wh
Price per km/h of top speed (€/km/h) ❌ 23,24 €/km/h ✅ 9,81 €/km/h
Weight per Wh (g/Wh) ✅ 58,93 g/Wh ❌ 99,62 g/Wh
Weight per km/h (kg/km/h) ✅ 0,66 kg/km/h ❌ 0,82 kg/km/h
Price per km of real-world range (€/km) ❌ 33,20 €/km ✅ 19,63 €/km
Weight per km of real-world range (kg/km) ✅ 0,94 kg/km ❌ 1,64 kg/km
Wh per km efficiency (Wh/km) ✅ 16,00 Wh/km ❌ 16,50 Wh/km
Power to max speed ratio (W/km/h) ✅ 18,00 W/km/h ❌ 6,25 W/km/h
Weight to power ratio (kg/W) ✅ 0,0367 kg/W ❌ 0,1315 kg/W
Average charging speed (W) ✅ 70 W ❌ 11 W

These metrics give a more clinical view of how much "stuff" you get for your money and weight. Price-per-Wh and price-per-km/h show how cost-efficient each scooter is in terms of battery capacity and speed; weight-based metrics show how much scooter you're hauling around for that performance. Efficiency (Wh per km) reflects how gently each model sips its energy, while power and weight ratios highlight how strongly they accelerate relative to their size. Average charging speed tells you how quickly you get riding energy back into the battery per hour on the charger.

Author's Category Battle

Category SOFLOW SO4 Gen 3 Razor E100
Weight ❌ Heavier for its class ✅ Lighter, easier to lift
Range ✅ Longer real-world distance ❌ Short child-length rides
Max Speed ✅ Higher, adult-viable speed ❌ Limited to child pace
Power ✅ Stronger, better hills ❌ Struggles on inclines
Battery Size ✅ Larger, more capacity ❌ Small, drains quickly
Suspension ❌ No suspension at all ❌ No suspension either
Design ✅ Clean, modern commuter look ❌ Dated, toy-like styling
Safety ✅ Dual discs, indicators, lights ❌ Basic brake, no lights
Practicality ✅ Foldable, commuter-friendly ❌ Non-folding, garage toy
Comfort ✅ Bigger tyres, wider deck ❌ Harsh rear, small platform
Features ✅ NFC, app, indicators ❌ Bare-bones, no extras
Serviceability ❌ Less DIY documentation ✅ Easy home repairs
Customer Support ❌ Mixed, sometimes slow ✅ Established, responsive
Fun Factor ✅ Adult urban fun ✅ Kids love buzzing around
Build Quality ✅ Solid, adult-grade chassis ✅ Tank-like kid durability
Component Quality ✅ Better tyres, brakes, electrics ❌ Cheaper parts overall
Brand Name ❌ Smaller, regional presence ✅ Global, very well known
Community ❌ Smaller, niche audience ✅ Huge user base
Lights (visibility) ✅ Integrated front and rear ❌ None on base model
Lights (illumination) ✅ Usable headlight ❌ Needs add-on lights
Acceleration ✅ Stronger, smoother pull ❌ Weak, binary throttle
Arrive with smile factor ✅ Grown-up commute satisfaction ✅ Kids' pure joy rides
Arrive relaxed factor ✅ Stable, confident at speed ❌ Twitchy, basic braking
Charging speed ✅ Much quicker turnaround ❌ Painfully slow charging
Reliability ✅ Solid hardware, some quirks ✅ Frames last for years
Folded practicality ✅ Folds for storage, transit ❌ Fixed frame, bulky
Ease of transport ❌ Heavy, wide handlebars ✅ Short, easier to stash
Handling ✅ Stable, adult-friendly ❌ More twitchy, small wheels
Braking performance ✅ Dual discs, strong stop ❌ Single front caliper only
Riding position ✅ Comfortable adult stance ✅ Optimised for young kids
Handlebar quality ✅ Integrated display, solid ❌ Basic bar, no refinement
Throttle response ✅ Progressive, controllable ❌ On/off, no modulation
Dashboard/Display ✅ Clear integrated LCD ❌ No display at all
Security (locking) ✅ NFC immobiliser included ❌ No electronic security
Weather protection ✅ IP-rated for light rain ❌ Essentially fair-weather toy
Resale value ❌ Smaller second-hand market ✅ Easy to resell locally
Tuning potential ❌ Locked, legal commuter ❌ Not worth modifying
Ease of maintenance ❌ More complex, app, discs ✅ Simple tools, cheap parts
Value for Money ❌ Spec-per-euro not stellar ✅ Great value for kids

Overall Winner Declaration

Winner

In the Numbers Freaks Corner, the SOFLOW SO4 Gen 3 scores 7 points against the RAZOR E100's 3. In the Author's Category Battle, the SOFLOW SO4 Gen 3 gets 28 ✅ versus 14 ✅ for RAZOR E100 (with a few ties sprinkled in).

Totals: SOFLOW SO4 Gen 3 scores 35, RAZOR E100 scores 17.

Based on the scoring, the SOFLOW SO4 Gen 3 is our overall winner. From the saddle, the SOFLOW SO4 Gen 3 simply feels like the more complete machine: it behaves like a real vehicle, keeps its composure in everyday chaos, and gives you the confidence that you and your luggage aren't asking too much of it. It's not thrilling, but it's dependable enough that you start to trust it with your actual day. The Razor E100 is still a brilliant childhood gateway drug to electric motion, but once you've ridden both in anger, it's clear that one belongs on pavements as transport and the other belongs in cul-de-sacs as a toy. If you're old enough to read this review for yourself, the SOFLOW is the scooter that will actually fit your life.

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.