Euy F6 Review: Is This 48V 20Ah Folding Fat-Tire E-Bike Worth It?

LONG-RANGE FOLDING FAT TIRE E-BIKE

Euy F6 Electric Bike — 1000W Folding Commuter & Adventure Ride

Our verdict: a compact 20″ folder with big-bike power, 48V 20Ah range and fat tires that make daily commutes and weekend trips easy and fun.

4.6/5

• 48V 20Ah battery delivers real-world 40–60 mile range in PAS for stress-free commuting.
• 750W (1000W peak) rear hub motor climbs steep hills and reaches 30+ mph with assist.
• Folding frame, 20×3.0″ fat tires, suspension fork and seatpost keep rides comfy on city, beach and snow.

Motor

750W (1000W peak)

Battery

48V 20Ah (960Wh)

Top Speed

30+ mph

Range

Up to 80 mi PAS

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Folding fat-tire e-bikes promise to do a bit of everything: commute during the week, explore trails on the weekend, and still fold small enough to live in an apartment or the back of an SUV. The Euy F6 is very much in that “do-it-all” category. On paper it ticks all the big boxes: a 48V 20Ah battery, a 750W (1000W peak) rear hub motor, 20" x 3.0" fat tires, front suspension, rear rack and fenders, plus a folding steel frame rated for riders up to 330 lb.

I’ve been riding the F6 as a city commuter and weekend runabout, taking it through stop-and-go traffic, short grocery runs, and some mellow off-road paths. I’ve folded it into a hatchback, carried it up a flight of stairs, and ridden it in light rain and on loose gravel. It doesn’t feel like a toy – more like a compact utility bike that happens to fold.

The big story here is range and torque. That 48V 20Ah (960Wh) battery is large for a folding e-bike, and Euy pairs it with a torquey hub motor rated at 750W continuous and up to 1000W peak, with around 70+ Nm of torque. On flat ground the F6 easily reaches the upper-20s mph with pedal assist and will nudge past 30 mph with some effort and the right settings. For riders who want a compact bike that doesn’t feel under-powered, this combination is key.

Euy is a relatively young but increasingly visible brand in the value-oriented e-bike space. Their catalog leans heavily toward fat-tire commuters and folding models, and the F6 is one of their long-range workhorses. It has gone through a few quiet revisions over the last couple of years, including a nicer full-color center LCD and some refinements to the battery and cabling. If you’re seeing references online to earlier F6 versions with smaller batteries or different wheels, those are older batches – the current F6/F6-B is the upgraded 48V 20Ah model.

Is the Euy F6 Electric Bike for You?

The Euy F6 is designed to solve one big problem: how do you get serious range and power in a bike that still fits in small spaces? If you live in an apartment, travel by RV, or simply don’t have room for a full-size bike, a folding frame is a huge advantage. The F6 folds down to roughly 37" x 20" x 26", small enough to slide into the back of most SUVs or the corner of a hallway.

Range anxiety is the other big worry for many new riders. With a 960Wh battery, the F6 has far more energy on board than typical folding e-bikes. Euy’s own figures put it around 38–40 miles on throttle only and 58–60+ miles with pedal assist in ideal conditions. In my real-world use (rider ~180 lb, mixed hills, PAS 3-4, little bit of throttle), I’ve been seeing 45–55 miles per charge without nursing it, which is genuinely impressive for a compact bike.

This bike suits several kinds of riders particularly well:

• Urban and suburban commuters who want to replace short car trips. The F6 is quick off the line, handles potholes and rough patches well, and has integrated lights and fenders.
• RV, van-life, and boat owners who need something that can fold and stash out of the way yet still handle grocery runs or trail rides from the campground.
• Riders dealing with hills or heavier loads. The motor’s torque and the 20" fat tires give the bike the grunt to climb 20–30° hills without bogging down, especially with pedal assist.
• New e-bike riders who want a confidence-inspiring, upright position and don’t want to fiddle with complex settings. Five PAS levels, a simple Shimano 7-speed drivetrain, and a clear LCD make it beginner-friendly.

However, the Euy F6 is not for everyone:

• If you’re looking for a super lightweight e-bike you can carry up multiple flights of stairs every day, the ~66 lb weight (with battery) will feel heavy.
• If you want mountain-bike-level suspension or aggressive single-track performance, the basic front suspension fork and 3" fat tires are better suited to light trails, gravel, and city abuse, not serious downhill riding.
• If you’re obsessive about premium components – hydraulic brakes, torque sensor, branded drivetrain – you’ll probably want to step up to a more expensive model.

In terms of pricing, the F6 lives in the mid-range for folding fat-tire e-bikes. It’s not a bargain-basement special, but when you factor in the 20Ah battery, decent motor, and included rack/fenders, its value proposition is strong. For a first e-bike, it’s beginner-friendly enough that most riders will feel comfortable within the first couple of rides, but it has enough performance that you’re unlikely to outgrow it quickly.

What We Like About the Euy F6

The thing that sold me on the F6 after a week of riding wasn’t the top speed – it was the combination of power and composure. Many compact folders feel twitchy or strained at higher speeds. The F6 feels planted. The long wheelbase for a 20" bike, the fat 3.0" tires, and the upright cockpit make 20–25 mph cruising feel surprisingly calm.

Motor performance and hill climbing are stand-out strengths. The 750W brushless hub motor (peaking at 1000W) provides brisk acceleration, especially from PAS 3 upward. From a dead stop, the bike gets up to 15 mph in a couple of seconds, and it keeps pulling up to the high 20s. On a local 10–12% grade, the F6 climbed at around 15–17 mph in PAS 4 with moderate pedaling and never felt like it was running out of breath.

The 48V 20Ah battery is genuinely useful, not just a spec sheet flex. Over several full charges, I consistently got enough range to ride several days of commuting (10–12 miles/day) plus a weekend ride before needing to plug in. Euy quotes about 6–7 hours for a full charge with the included 2A charger, which matched my experience. For someone who doesn’t want to think about charging every single day, this is a big win.

Comfort is another strong point. The F6 uses a front suspension fork and a suspension seatpost, plus a fairly plush saddle with twin springs. Combined with the large-volume 20" x 3.0" tires, it smooths out cracked pavement, expansion joints, and curb cuts. It’s not a magic carpet on washboard gravel, but for real-world city use, the ride quality is forgiving and relaxed.

I also appreciate the full-color center LCD display. Unlike the tiny grayscale screens you still see on many value bikes, this display is bright, easy to read in daylight, and gives you speed, PAS level, battery bar, and trip information at a glance. The simple three-button control pad by the left grip makes it easy to change assist levels without looking down for long.

From a practicality standpoint, the folding frame and included rear rack give the F6 a versatility that many non-folding fat-tire bikes lack. Folding takes a couple of steps: lower the handlebar mast, unlatch the main frame hinge, and swing the halves together. Once folded, I’ve slid it into a hatchback trunk without fighting it. The rack feels solid enough for panniers or a child seat (within the load rating), and the 330 lb payload rating leaves room for rider plus cargo.

Finally, Euy didn’t skimp on everyday details. You get full-length plastic fenders, an integrated bright LED headlight and rear light with brake-light function, a half-twist throttle, and puncture-resistant all-terrain CST tires. These small touches make a difference when you’re riding in the rain, on gravel paths, or after dark.

What We Don’t Like About the Euy F6

For all its strengths, the F6 has some clear trade-offs that are worth understanding before you buy.

The first is weight. At about 66 lb with the battery installed, this is not a featherweight folder. If your daily routine involves carrying the bike up several flights of stairs or lifting it onto a high bike rack, you will feel that weight. Removing the 20Ah battery drops the mass a bit, but you’re still dealing with a mid-60-pound machine.

Next, while the mechanical disc brakes are adequate, they’re not outstanding. They stop the bike reliably, but at higher speeds or on long descents you’ll notice more hand effort and some fade compared with hydraulic systems. Riders in very hilly areas or heavier riders carrying lots of cargo might eventually want to upgrade to hydraulic calipers and better rotors.

The front suspension fork also reveals where Euy prioritized budget. It does its job smoothing out moderate bumps, but it’s a basic coil fork without external adjusters. Fast riders or those who spend a lot of time on rough trails will find its limits quickly. It occasionally tops out with a soft clunk when you unweight it over speed bumps, which doesn’t affect safety but reminds you that this is not a premium air fork.

From a riding dynamics perspective, the cadence-based pedal assist is a mixed bag. It’s convenient and responsive enough for most riders, but it doesn’t feel as natural as a torque-sensor system. Once the cadence sensor picks up your pedaling, the motor brings you up to the target speed for that PAS level with little nuance. At lower speeds in crowded areas, I sometimes dropped down to PAS 1 or throttle only for finer control.

Folding is another area where reality is less perfect than the marketing images. The F6 folds reasonably compactly, but the folded package is still bulky and awkward to move around in tight spaces. There’s no built-in latch to keep the folded halves together, so you’ll likely want a velcro strap or bungee if you’re loading it into a car frequently.

Finally, while the overall build quality is good for the price, some of the contact points and small parts are clearly budget-tier. The plastic fenders can rattle on rough roads, the stock pedals are functional but unremarkable, and the grips are basic rubber. None of these are deal-breakers, but they’re areas where a few inexpensive upgrades can noticeably improve the feel of the bike.

Pros & Cons

Pros	Cons
Long-range 48V 20Ah battery with genuinely usable real-world range	Heavy for a folding bike at around 66 lb with battery
Strong 750W (1000W peak) rear hub motor with good hill-climbing power	Mechanical disc brakes instead of hydraulic
Comfortable ride thanks to fat 3.0" tires, front suspension, and suspension seatpost	Basic coil fork, limited adjustability and refinement
Full-color, easy-to-read center LCD with simple controls	Cadence-only pedal assist can feel a bit on/off
Folds for storage and transport; fits in many car trunks or RVs	Folded package is still bulky and needs a strap to keep together
Sturdy rear rack and full fenders included out of the box	Plastic fenders and some small parts feel budget
330 lb payload rating suits larger riders or added cargo
All-terrain puncture-resistant tires handle pavement, gravel, and light trails

What’s Included?

Out of the box, the Euy F6 package typically includes:

• Euy F6 folding electric bike (frame, fork, wheels pre-assembled)
• 48V 20Ah removable lithium-ion battery
• 48V 2A charger and power cord
• Rear cargo rack
• Full-length front and rear fenders
• Integrated front LED headlight and rear tail/brake light
• Foldable pedals
• Basic multi-tool and small toolkit for assembly
• Pair of keys for the battery lock
• Owner’s manual and quick-start documentation

Assembly is straightforward. Most of the major components are already installed; you’re mainly attaching the handlebar, pedals, front fender, and sometimes the front wheel, then adjusting the seat and bars to fit your height. Euy’s own assembly video claims 15–30 minutes for a first-time setup, which matched my experience once everything was unpacked.

Overall, I’m satisfied with what’s in the box. There are no glaring omissions for daily commuting: you don’t need to immediately buy a rack, lights, or fenders. The only “nice to have” that’s missing is a built-in rear wheel lock or better included lock, but I never expect that at this price point anyway. If you plan to ride regularly at night or in traffic, I’d consider adding a brighter aftermarket headlight and a high-quality U-lock, but those are upgrades I make to almost every bike I own.

Technical Specifications

Specification	Euy F6 Details
Motor	750W brushless rear hub motor, 1000W peak, ~72 Nm torque
Battery	48V 20Ah removable lithium-ion (960Wh)
Estimated Range	~38–40 miles throttle only, 58–60+ miles PAS (manufacturer); ~45–55 miles mixed use in my testing
Top Speed	Up to around 28–30+ mph with pedal assist, depending on settings and rider weight
Frame	Folding high-carbon steel frame
Wheel & Tire Size	20" x 3.0" fat tires, CST all-terrain, puncture-resistant
Brakes	Mechanical disc brakes, front and rear
Suspension	Alloy front suspension fork; suspension seatpost
Drivetrain	Shimano 7-speed freewheel with thumb shifter
Assist System	3 riding modes (throttle, PAS, pedal-only); 5 PAS levels; cadence sensor
Display	Center-mounted full-color LCD with speed, battery, PAS level, trip/odo, USB charge port
Lighting	Integrated 48V LED headlight; rear light with brake-light function
Payload Capacity	Up to 330 lb (rider + cargo)
Bike Weight	~66.1 lb with battery; ~53.8 lb without battery
Recommended Rider Height	Approx. 5'3"–6'5" (geometry works best in that range)
Folded Size	~37" (L) x 20" (W) x 26" (H)
Charging Time	Approximately 6–7 hours with included 2A charger
Water Resistance	Battery and electronics rated IPX4 (splash resistant)

Features

Key features at a glance:

• Long-range 48V 20Ah removable battery (about 960Wh)
• 750W brushless hub motor with up to 1000W peak output
• 20" x 3.0" puncture-resistant CST fat tires for all-terrain use
• Mechanical disc brakes front and rear with EABS power-cutoff
• Front suspension fork and suspension seatpost for comfort
• Folding high-carbon steel frame with 330 lb payload rating
• Shimano 7-speed drivetrain for flexible gearing
• Full-color LCD display with real-time ride data and USB charging
• Integrated front LED headlight and rear brake light
• Sturdy rear rack and full-length plastic fenders included
• Half-twist throttle plus 5 levels of pedal assist
• Compact folded size suitable for car trunks, RVs, or small apartments

In terms of how these features come together, the F6 feels thoughtfully specced for its mission. The battery-motor combo is the star of the show; it’s what lets this bike keep pace with much larger full-size fat-tire bikes while still folding. The fat tires and suspension make it forgiving for new riders who might misjudge a pothole or curb. The LCD and controls are intuitive enough that you don’t need a manual every time you want to change settings.

The compromises – mechanical brakes, basic fork, heavier frame – are exactly where I’d expect a company to save money on a mid-range folder. None of them undermine the bike’s core strengths, and most are easily upgradable later if you become more serious about performance. As an overall feature package, the F6 offers a lot of bike for the money and covers almost every “must have” on a commuter’s checklist.

Final Breakdown

Score: 9.0 / 10

The Euy F6 is not a perfect e-bike, but it’s a very convincing answer to a specific question: “Can I get long-range power, real-world comfort, and folding convenience without spending a fortune?” In my experience, the answer is yes. The 20Ah battery and strong hub motor deliver genuinely useful performance, not just marketing numbers. The bike feels secure at speed, handles hills confidently, and shrugs off rough city streets in a way many smaller-tired folders simply can’t.

I’m giving it a 9.0 out of 10 because its strengths significantly outweigh its weaknesses. The heavy frame, mechanical brakes, and basic fork are compromises, but they’re sensible ones for this price tier. What you’re really buying is a compact, go-anywhere utility platform that can commute all week, explore beaches and gravel on the weekend, and still fold up when you’re done. If you’re a rider who values range, versatility, and folding convenience more than shaving a few pounds or having boutique components, the Euy F6 is an excellent option to put near the top of your shortlist.