Mearth RS vs InMotion S1F - Long-Range Commuter Showdown (and One Clear Winner)

Fast Answer for Busy Riders ⚡ (TL;DR)

The InMotion S1F is the more complete scooter for most riders: it rides softer, goes noticeably further on a charge, copes better with heavy riders and bad roads, and feels more thought-through as a daily vehicle. The Mearth RS fights back with a lower price, stronger mechanical braking and a clever swappable battery system, but it demands more compromise in comfort and real-world polish than its spec sheet suggests.

Pick the S1F if you want a true car-replacement commuter that you can ride for an hour without your knees filing a complaint. Choose the Mearth RS if you're on a tighter budget, you value a lighter chassis and hot-swap battery over plush suspension, and your roads aren't a patchwork of craters and cobblestones.

If you care about how these two really feel after dozens of kilometres, not just brochure promises, keep reading - this is where things get interesting.

Spend enough time testing mid-range scooters and you start seeing two recurring archetypes. On one side, the "spec warrior" - big battery, big words, a bit of roughness around the edges. On the other, the "boring grown-up" - less flashy on paper, more sorted in everyday life.

The Mearth RS leans heavily into the first camp: long-range claims, punchy commuter motor, magnesium frame, swappable battery, dual disc brakes. On paper, it's a do-it-all machine for riders who want to commute hard and fast without blowing a grand. The InMotion S1F is the more conservative adult in the room: a hulking, long-legged cruiser with proper suspension, huge deck, big battery, and a reputation for just getting on with the job.

One is pitched as "Racing Sport", the other as the limousine of commuter scooters. They sit in a similar performance band and appeal to the same "I'm actually replacing my car, not just playing" audience - but they go about the task in very different ways. Let's dig into where each one shines, where they stumble, and which makes more sense for your daily grind.

Who Are These For, and Why Compare Them?

Both the Mearth RS and the InMotion S1F live in that upper-mid commuter tier: faster and more capable than entry-level rentals, but not yet in "hold-on-to-your-will" dual-motor territory. They sit in the same broad speed bracket, both comfortably able to cruise at the limit of what's sensible on a bike lane, and both claim ranges that will outlast most people's legs.

The RS targets riders who want maximum performance per euro: long claimed range, strong hill ability, serious brakes, and a design billed as tough enough for Australian suburbs. Ideal on paper for the medium-distance commuter who wants something compact enough to stash, but serious enough to rely on daily.

The S1F is aimed at the heavier, longer-distance crowd: riders doing true cross-city commutes, delivery work, or those simply tired of being let down by tiny batteries and wooden decks. It costs a chunk more, but adds proper suspension, more battery, higher weight capacity, and a very clear "ride, don't think about it" philosophy.

They're natural rivals because if you've decided you want a single-motor long-range scooter that can cruise around the forty-mark, these two will end up on the same shortlist. The choice is really: do you want "sporty bare-bones" or "sofa on wheels"?

Design & Build Quality

Pick up the Mearth RS and the first impression is actually good: the magnesium alloy frame feels rigid and relatively light for its class, the deck has decent width, and the matte black with red accents gives off a deliberate "serious tool, not toy" vibe. Cabling is fairly tidy, the integrated display looks modern, and nothing screams bargain-bin at first glance.

Spend time with it, though, and some of the cheaper decisions peek through. The rear fender can develop a rattle over time, the kickstand is a touch weedy for the scooter's heft, and the overall finish feels more "solid mid-range" than "premium workhorse". Perfectly acceptable, but not exactly inspiring. It's a chassis I'd happily commute on, but I wouldn't call it refined.

By contrast, the InMotion S1F feels like one cohesive product rather than a set of parts that met on AliExpress. The aviation-grade aluminium frame is beefy, the swingarms and suspension mounts look generously over-engineered, and there's a satisfying lack of creaks and squeaks. The cabling is well hidden, the lighting integration is slick, and the whole thing gives off more automotive than bicycle energy.

Design philosophy also diverges: the RS is minimalist, almost Spartan - no suspension, no extra fluff, just a simple commuting tool with a couple of headline tricks (swappable battery, strong brakes). The S1F goes in the opposite direction: big deck, tall stem, integrated light strips, automatic indicators. It's unapologetically a big, feature-rich machine.

In the hand (and under the feet), the InMotion just feels more sorted. The Mearth is fine - better than many no-name imports - but when you park them side by side, one looks like a mature product from an established PEV brand, the other like a decent regional attempt still a revision or two away from truly nailing it.

Ride Comfort & Handling

This is where the two part ways immediately.

The Mearth RS rides on large pneumatic tyres and... that's it. No springs, no shocks, just air and frame flex doing the work. On decent asphalt and smooth bike paths, that's actually okay. The 10-inch tyres soak up small cracks and expansion joints, and the magnesium frame takes a little edge off sharper hits. At commuting speeds on good surfaces, it feels direct, even pleasantly connected to the road.

The problem starts when your city remembers it forgot to fix the roads for a decade. After 5 km of patched-up tarmac and lazy repairs, your knees and ankles are doing more suspension work than the scooter. The RS quickly teaches you the fine art of riding "light" over the deck and scanning ahead for anything larger than a coin. It's not unbearable, but it is fatiguing over time.

Jump on the InMotion S1F afterwards and it's like someone secretly repaved your route overnight. The combination of dual front shocks, dual rear springs, and tubeless pneumatic tyres means cobbles, brickwork paths, and neglected bike lanes are suddenly... tolerable. Potholes that would make the RS bark and shudder are reduced to distant thumps. You can ride it for an hour, step off, and not immediately look for a massage therapist.

Handling reflects this difference in philosophy. The RS, with its stiff chassis and lack of suspension, feels quite precise at moderate speeds: quick direction changes, nimble weaving through tight gaps, that "rigid board" stability which some riders actually prefer below top speed. But on broken surfaces at higher pace, the same rigidity translates into nervousness; you find yourself backing off the throttle simply because your joints are tired.

The S1F is the opposite: slightly more ponderous to flick around in very tight spaces, but brilliantly calm when the road gets ugly or the speed climbs. The long wheelbase and low centre of gravity give it a planted, unflappable feel. You point it where you want to go and the suspension quietly deletes the worst of the chaos underneath.

If your commute is billiard-table smooth, the Mearth's simplicity might be a non-issue. For everyone living in the real, occasionally cratered world, the S1F is on another level of comfort.

Performance

On paper, both scooters sit in the same motor class: single rear hub, plenty of torque for city use, and real-world cruising right up to the pragmatic limits of a shared bike lane. In practice, they have quite different personalities.

The Mearth RS delivers a strong, smooth shove thanks to its sine wave controller. Take-off is civilised rather than aggressive, but it builds speed solidly and holds it respectably on the flat. It feels comfortably quicker than rental-grade scooters and doesn't embarrass itself at traffic lights. Hill performance is genuinely decent: the RS will grind up steep suburban ramps where smaller city scooters simply stall and shame-walk you to the top. Lighter and mid-weight riders get the best experience; heavier riders will still climb, but with less enthusiasm.

Braking performance, however, is where the RS flexes. Dual mechanical discs front and rear, backed by electronic braking and even a backup foot brake, give you serious stopping power. There's genuine bite when you want it and a sense that you've got options if one system misbehaves. It's probably the most confidence-inspiring aspect of the whole package.

The InMotion S1F feels a bit more grown-up in its tuning. Off the line in its sportiest mode, it's not a rocket, but it's satisfyingly eager. Where it really impresses is mid-range pull and hill consistency, especially with heavier riders. Put a 100-plus kg rider on both scooters and the S1F leaves the RS looking a bit breathless on longer climbs - that extra motor headroom and higher-voltage system quietly do their job.

Braking is the S1F's relative weak spot if you're coming from spicy dual-disc setups. The sealed front drum plus regenerative rear braking give a smooth, predictable deceleration curve, but they lack that sharp, adjustable bite of a well-tuned disc. For commuting, they're adequate and very low-maintenance; for aggressive riders used to two-finger stoppies, they feel muted. You get used to it, but you never quite gush about it.

At higher cruising speeds both scooters feel stable enough, but the S1F inspires more confidence thanks to its suspension and chassis behaviour. The RS can do the same speeds, but you're more aware that you're asking a rigid frame and tyres to handle everything.

Battery & Range

Marketing departments love heroic range claims. Riders love not pushing scooters home. Somewhere between those two, reality lives.

The Mearth RS touts itself as an "ultimate long-range" commuter. In real life with mixed speeds, some hills and a normal-sized adult, you're typically looking at something in the mid-double-digit kilometre ballpark before you start watching the gauge more carefully. That's enough for most medium commutes plus errands, but you're not exactly planning weekend tours without a charger. The bright side: the relatively modest battery size keeps weight under control and charging is very much an overnight affair - plug it in after dinner, it's ready for the morning.

Its ace card is the hot-swappable battery. If you pony up for a spare pack, range anxiety more or less vanishes: ride until empty, quick swap, keep going. It's also handy if you can't drag a full scooter into your flat - just bring the pack upstairs.

The InMotion S1F goes for brute force instead of battery party tricks. The deck hides a notably larger pack, and it shows. Even with lively riding and a heavier pilot, it routinely outlasts the RS by a healthy margin. For many riders that means charging once or twice a week instead of every day. If you're doing delivery work or have a long suburban-to-city commute, that extra cushion is worth its weight in stress relief.

Charging the S1F from flat with a single charger takes a good chunk of time, but the dual-port setup is clever: buy a second brick and you can drastically shorten the wait. That makes it feasible to top up over a long lunch and head back out for an evening session - something the RS simply can't match without actually swapping batteries.

Efficiency wise, the RS does reasonably well for its configuration, but the S1F's bigger pack and smooth control mean that per kilometre, you're often drawing surprisingly modest energy given the comfort and speed you're getting. It's not a hyper-efficient featherweight, but for a hefty full-suspension machine, it's respectable.

Portability & Practicality

Neither of these is a dainty last-mile toy, but they sit on different sides of the "how much do I want to carry this?" line.

The Mearth RS is the lighter of the two and genuinely more manageable if you need to wrestle a scooter up a few stairs or into the back of a small car. The one-click folding mechanism is quick and intuitive, and the folded package is reasonably compact in height. The wide bars mean it still takes up space, but getting it through doors and onto lifts is relatively painless. You can shoulder-carry it briefly without cursing your life choices - not something I'd say about many long-range machines.

The InMotion S1F weighs a bit more and feels it. Lifting it by the stem into a boot or over a high kerb is a "brace and heave" operation, and carrying it up multiple flights of stairs is the sort of workout you only volunteer for once. The folding latch is sturdy, and the scooter feels properly locked when folded, but the non-folding handlebars and tall stem mean it stays long and wide. It's a vehicle you store in a hallway, garage or office corner - not something you gracefully sneak onto a packed metro.

In daily use, though, practicality isn't only about kilograms. The S1F's massive deck makes it easy to stash a small bag between your feet (not that I officially recommend it), the water protection is better, and the dual-charger option plus long range make it a workhorse for delivery or high-mileage riders. The RS counters with that removable battery - great for flat dwellers and anyone needing to de-power the scooter for theft deterrence.

If you regularly combine your ride with public transport or have awkward stairs in your life, the RS is the lesser evil. If your scooter mostly rolls door-to-door and only sees lifting when it's going into a car, the S1F's extra heft is a reasonable trade for its comfort and range.

Safety

Both scooters take safety more seriously than the average budget scoot, but they prioritise different aspects.

The Mearth RS is all about stopping hardware. Dual disc brakes plus electronic ABS and a backup foot brake give redundancy and raw mechanical grip on the rotors. For riders who like a strong, direct lever feel and the ability to scrub speed quickly, it ticks the right boxes. The downside is the usual disc story: you'll be babysitting alignment and occasional squeaks if you want them dialled.

Lighting on the RS is competent: a decent headlight aimed at the tarmac rather than the sky, a rear light that does its job, and some visual flair with red wheels on newer models to make you more visible in traffic. It's all fine, but nothing about it feels particularly advanced or clever.

The InMotion S1F plays a different game. Braking is less dramatic but very predictable: a sealed front drum that laughs at rain and road grime, plus a rear regenerative system that slows you smoothly and feeds a bit back into the battery. For absolute shortest stopping distances, discs still win; for everyday, low-maintenance commuting in mixed weather, the S1F's setup is quietly practical - provided you adjust your expectations and riding style.

Where the S1F really earns its safety stripe is visibility and stability. The high-mounted headlight actually lets you read the road texture ahead, and the integrated side LEDs plus automatic turn signals make you visible from angles most scooters ignore. Those gyro-triggered indicators aren't a gimmick - not having to fiddle with switches mid-corner while signalling your intentions is genuinely useful.

Add in the longer wheelbase, lower centre of gravity and actual suspension, and at higher speeds or in poor conditions the S1F simply feels more forgiving. The RS can be ridden safely, but it asks more from the rider, especially when the road turns nasty.

Community Feedback

Price & Value

The Mearth RS undercuts the InMotion S1F by a noticeable margin. For riders watching their budget, that matters. You get a capable commuter with decent range, serious brakes and a battery system that can be extended with a spare pack - all for what is nowadays a fairly sensible mid-tier price. On a pure "specs per euro" basis, it looks attractive, especially if you buy on promotion.

But value isn't only about headline numbers. The RS asks you to accept a harsher ride, simpler safety tech, and a general sense that it's a well-built but still mid-pack machine. If your daily ride is short and your roads are kind, that compromise is acceptable and it feels like reasonable value. Push it into longer, rougher commutes and the limitations start to nibble away at that equation.

The InMotion S1F costs more, no way around it. But you are clearly paying for range, comfort, water resistance, rider capacity and a more mature platform. For someone genuinely replacing a car or public transport pass, those things have real monetary value over time - fewer Ubers when it rains, fewer days when you choose the bus because your back hurts, fewer battery-anxiety detours.

Looked at over a few years of serious commuting, the S1F justifies the extra outlay far better than many similarly priced "sporty but compromised" scooters. The RS offers fair, honest value if your use case matches its strengths; the S1F offers better value if you're a high-mileage rider who'll actually use what you're paying for.

Service & Parts Availability

Mearth positions itself as a local champion in its home region, and that does bring advantages there: easier access to parts, more responsive support, and less of the faceless marketplace vibe. Outside those core markets, things can be patchier - you're often relying on importers and third-party shops for spares and warranty handling. The design itself is relatively conventional, so generic components like tyres and brake parts are easy enough to source, but brand-specific bits may require patience.

InMotion, by contrast, has spent years building a global distributor network off the back of its unicycles. That translates into better availability of official parts in much of Europe, a more established service ecosystem, and a track record of firmware updates and app support. If something more complicated than a tyre goes wrong, you're more likely to find a shop that's seen an S1F before than a Mearth RS, especially outside Australia.

Neither is unserviceable, but if you're the sort who prefers established brands with predictable after-sales channels, the S1F has the edge.

Pros & Cons Summary

Parameters Comparison

Final Verdict - Which Should You Choose?

Both scooters promise long-range commuting without entering silly-speed territory, but they go about it in very different ways. The Mearth RS is the leaner, cheaper, "good on paper" option that will absolutely do the job for medium-distance riders on reasonably kept roads. It offers proper mechanical brakes, a sensible form factor, and that swappable battery trick, all at a price that doesn't make your wallet cry.

The InMotion S1F, though, feels like the more finished product. It rides softer, goes further, carries heavier riders with less drama, and has safety and weather-hardening touches that you really start appreciating after a few months of daily use. Yes, you pay more and you haul more mass around when it's folded, but in motion - which is ultimately the point - it simply feels like the more accomplished, confidence-inspiring machine.

If your commute is short, your budget tight, and your roads civilised, the Mearth RS is a defensible choice - especially if the swappable battery solves a specific problem for you. But if you're a heavier rider, your routes are long or rough, or you view your scooter as a primary vehicle rather than a toy, the InMotion S1F is the one that will keep you both smiling and intact in the long run.

Numbers Freaks Corner

These metrics quantify how much "stuff" you get per euro, kilo, and watt. Price per Wh shows how cheaply each scooter gives you battery capacity. Price and weight per kilometre of real-world range reveal which one is the more efficient long-distance tool. Wh per km indicates how efficiently each converts energy into distance. Power-to-speed and weight-to-power tell you how much punch you have relative to speed and mass, while average charging speed shows which battery fills faster per hour on the plug. They don't capture comfort or ride feel, but they're a useful way to sanity-check the spec sheets.

Author's Category Battle

Overall Winner Declaration

In the Numbers Freaks Corner, the MEARTH RS scores 3 points against the INMOTION S1F's 7. In the Author's Category Battle, the MEARTH RS gets 11 ✅ versus 30 ✅ for INMOTION S1F.

Totals: MEARTH RS scores 14, INMOTION S1F scores 37.

Based on the scoring, the INMOTION S1F is our overall winner. Between these two, the InMotion S1F is the one that feels like a scooter you can build a routine - even a lifestyle - around. It's calmer, kinder to your body, and more reassuring when the weather or the road surface decides not to cooperate. The Mearth RS earns some points for price and simplicity, but in daily life its compromises are harder to ignore. If you want your commute to be something you actually look forward to rather than just endure, the S1F is the machine that delivers that quiet, consistent grin at the end of every ride.

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.