OUXI V8 Electric Bike Review: 31 MPH Dual-Battery Fat-Tire Beast

POWERFUL DUAL-BATTERY PICK

OUXI V8 Electric Bike — 31 MPH Dual-Battery Fat-Tire Fun

Our take: a punchy 750W moped-style ebike with huge 30Ah battery capacity, hydraulic brakes and 20×4.0 fat tires for fast, stable all-terrain rides.

4.6/5

• Dual 48V 15Ah UL-certified batteries (30Ah total) for genuinely long-range daily riding.
• 750W rear-hub motor (1000W peak) reaches up to 31 mph and tackles steep city hills.
• Hydraulic disc brakes, 20×4.0 fat tires and front suspension keep this 330 lb-rated bike stable and in control.

Motor

750W rear hub (1000W peak)

Battery

Dual 48V 15Ah (30Ah total)

Top Speed

Up to 31 mph

Range

56–74 mi (claimed)

Check Live Price See Pros & Cons Dual 48V 15Ah • 30Ah long-range pack

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If you like the look of mini-moto bikes but still want the practicality of an electric bicycle, the OUXI V8 MAX aims directly at you. It combines a 750W rear-hub motor (peak 1000W), dual 48V 15Ah batteries (30Ah total), fat 20"×4.0" tires and a long bench seat into a compact, rugged package that’s built for fun as much as for commuting.

With a claimed top speed of up to 31 mph and a maximum range of 56–74 miles under ideal conditions, it’s clearly not a timid city runabout. This is a moped-style e-bike for riders who want punchy acceleration, solid hill performance and the ability to explore snow, sand, or rough city streets without beating themselves up in the process.

Priced around the budget–mid range bracket, the V8 targets riders who want serious power, dual batteries and hydraulic brakes without paying premium-brand money. In this review we’ll dive deep into what it does well, where it makes compromises, and who will get the most value out of it.

Quick Verdict

The OUXI V8 MAX is a high-power, long-range, moped-style fat-tire e-bike that delivers a lot of hardware for the money: 750W motor (1000W peak), dual 48V 15Ah batteries, hydraulic brakes, front suspension, and a two-person bench seat. It’s made for thrill-seekers, heavier riders and anyone with hilly terrain who wants motorcycle-inspired styling without giving up pedals.

The trade-offs are weight and finesse. At roughly 84 lb with both batteries installed, this is not a bike you casually carry up stairs or flick around tight corners like a lightweight city commuter. The long bench is also not adjustable like a typical bicycle saddle, so fit is more “small moped” than “precisely tuned bike fit.”

If you mainly want a fast, powerful, fun-to-ride e-bike that looks like a mini electric motorcycle and can comfortably handle mixed terrain, the OUXI V8 offers very strong value in its price bracket.

At a glance

• Category: Moped-style fat-tire e-bike / all-terrain fun bike
• Motor: 750W rear hub (peak around 1000W)
• Battery & Range: Dual 48V 15Ah (30Ah total), removable; claimed 56–74 miles
• Top Speed: Up to 31 mph (with pedal assist / throttle, depending on settings and rider)
• Bike Class: Effectively a high-speed Class 3 when derestricted (check local rules)
• Weight & Payload: Approx. 83.8 lb (with batteries); max load 330 lb
• Frame & Wheel Size: Steel/metal step-over moped frame, 20"×4.0" fat tires
• Rider Height Range: Recommended 5'4"–6'5"
• Brakes: Dual hydraulic disc brakes
• Drivetrain: 7-speed Shimano-style gear system
• Best for: Power-hungry riders, hilly suburbs, mixed off-pavement use, two-up casual riding

What Is the OUXI V8 Electric Bike?

The OUXI V8 MAX is a moped-style electric bike built around a long, flat bench seat, compact 20-inch fat tires and a motorcycle-inspired frame. Rather than chasing ultra-light city-bike vibes, it leans hard into the “mini moto” look: thick tires, round moto headlight, integrated rear seat and the battery visually positioned like a motorcycle tank along the down tube.

In terms of purpose, it sits somewhere between an off-road fun bike and a practical daily runabout. With dual 48V 15Ah batteries (30Ah total) and a 750W brushless rear hub motor, the V8 is designed for people who want serious range and torque without having to spend big-brand money on premium models. The bike comes with 5 levels of pedal assist, a full-throttle mode, and a standard 7-speed drivetrain to let you choose how much you want to pedal.

The brand itself focuses on value-oriented e-bikes with strong spec sheets: big batteries, high-output motors, and eye-catching styling. The V8 MAX is positioned as their long-range, high-speed fat-tire flagship – a bike you can ride to work during the week and then take out on snow, sand or forest tracks on the weekend.

Key Specs

Spec	Detail
Model	OUXI V8 MAX Electric Bike
Motor	750W rear-hub brushless motor (peak up to ~1000W)
Battery	Dual 48V 15Ah removable lithium batteries (30Ah total), UL-certified with BMS
Claimed Range	56–74 miles (combined batteries, ideal conditions)
Realistic Range (estimated)	~35–55 miles for most riders depending on terrain, PAS level and weight
Top Speed	Up to 31 mph (PAS / throttle, depending on rider and settings)
Bike Class	High-speed Class 3 style; can be used as Class 2 if speed is limited
Frame Material	Metal moped-style frame, step-over
Wheel Size & Tires	20" × 4.0" CST fat tires (all-terrain)
Suspension	Front suspension fork with shock-absorption system
Brakes	Dual hydraulic disc brakes, 2-piston calipers
Drivetrain	7-speed Shimano-style gear system
Display & Controls	M5 LCD display, 5 PAS levels, thumb throttle
Max Load	330 lb (bike + rider + cargo / passenger)
Bike Weight	Approx. 83.77 lb including batteries
Rider Height Range	5'4"–6'5" recommended
Water Resistance	IP54 (splash-proof)
Accessories	Moto-style headlight, rear signal / tail light, kickstand, basic tool kit, pump

Who Is the OUXI V8 Best For?

Ideal for

• Riders who want power and speed. With a 750W motor that peaks around 1000W and a top speed of up to 31 mph, this is aimed at people who don’t want to crawl along at 20 mph. If you live in a hilly town or just like quick acceleration, the V8 has the punch you’re looking for.
• Heavier riders or those carrying extra load. A 330 lb payload plus fat tires and a stout frame make it friendly for bigger riders. The long bench seat also allows a passenger behind you (up to around 165 lb on the rear section), turning it into a fun two-up cruiser for short trips.
• Mixed-terrain commuters. If your rides include broken pavement, occasional dirt paths, or winter conditions, the 20" × 4.0" fat tires and front suspension take the sting out of rough surfaces.
• Range-conscious riders. Dual 48V 15Ah batteries give you up to 30Ah of capacity. Used sensibly with pedal assist, you can comfortably cover longer commutes or weekend outings without constant range anxiety.
• Style-driven buyers. The retro mini-bike look, round headlight and clean black frame make the V8 stand out from generic step-thru commuters. If you want something that turns heads at stoplights, this is that kind of bike.

Not ideal for

• Riders who need a lightweight bike. At nearly 84 lb with batteries, the V8 is heavy. It’s not fun to carry up a flight of stairs, and loading it onto a car rack takes some muscle.
• People who prefer a traditional bicycle fit. The moped-style bench seat is fixed; you can’t easily fine-tune saddle height like on a standard bike. If you’re extremely sensitive about pedal ergonomics or you’re at the very top/bottom of the height range, this may not be your best match.
• Strict Class-1 or Class-2 trail users. Many off-road trails limit e-bikes to lower speeds and specific classes. The V8’s speed potential makes it overkill for areas with strict enforcement unless you’re comfortable keeping it in limited modes.

Budget & value

In its price bracket, the OUXI V8 MAX is clearly positioned as a high-value performance bike. You’re getting dual batteries, hydraulic brakes, a 750W motor, fat tires and a distinctive frame for well under the price of many big-name competitors that offer only a single battery and mechanical brakes.

The compromises mainly show up in brand prestige, potential dealer support, and some finishing touches. But on pure hardware and capability per dollar, it’s a very strong proposition for riders who prioritize performance over badge status.

Design, Frame & Build Quality

The first thing you notice about the OUXI V8 is its mini-moto silhouette. The long, flat bench seat, integrated rear rack section, and chunky tires give it the presence of a small electric motorcycle more than a conventional bicycle. For many riders, that’s a major part of its appeal.

The frame is constructed from sturdy metal with a straight top frame that doubles as structural support for the bench seat. Welds are generally functional rather than boutique, but the bike looks solid in person. The black paint gives it a stealthy look, while the green “V8” graphics on the battery add a touch of contrast without going over the top.

Cable routing is reasonably tidy. Most wires are tucked along the frame, with some visible looms around the cockpit and down tube, as you’d expect in this price range. It’s not ultra-minimalist, but nothing feels haphazard or overly exposed.

The included fenders, front headlight mount, and rear light assembly all feel more “moped grade” than ultra-light bicycle parts. That matches the intended use: this is a bike built to be ridden hard on rougher surfaces, not babied as a delicate carbon road bike.

Overall, build quality is solid for the category. Everything about the design communicates durability and capability first, and weight savings second.

Motor Performance & Speed

At the heart of the OUXI V8 is a 750W brushless rear-hub motor, advertised with peak output around 1000W. Combined with the 48V electrical system and 20" fat tires, this gives the bike a satisfyingly snappy feel.

Acceleration and cruising

From a standstill, throttle response is strong but not uncontrollable. Once you’re used to it, you can feather the thumb throttle for smooth take-offs, or punch it harder for a brisk surge away from traffic lights. Riders coming from low-power 250–350W city e-bikes will immediately notice the difference.

On flat ground, cruising speeds in the mid-20 mph range are easy to maintain in higher PAS levels. It doesn’t take long for the bike to climb past 20 mph and settle around 25–28 mph when you’re using PAS 4–5 and adding light pedaling. With full throttle on level ground and a reasonably sized rider, the bike can approach the claimed 31 mph mark under ideal conditions.

Hill performance

This is where the V8’s motor and dual-battery system really earn their keep. Short, steep hills that would bog down weaker motors become manageable, especially if you drop a couple of gears on the 7-speed drivetrain and let the motor work with your legs.

On longer grades, the bike will still slow compared to flat-ground speeds, but it maintains better momentum than most budget e-bikes with 500W motors. Heavier riders and those in hillier cities will particularly appreciate this extra grunt.

High-speed stability

With its compact wheelbase, fat tires and low center of gravity, the V8 feels surprisingly planted at higher speeds. The front suspension and 4" wide tires help absorb small bumps that might otherwise unsettle the bike at 25–30 mph. Steering is not twitchy, but you do feel the weight of the bike when leaning into turns.

The limiting factor at top speed is more about rider confidence and local regulations than raw capability. For many people, cruising around 22–26 mph will feel like the sweet spot between fun and comfort.

Battery, Range & Charging

One of the biggest selling points of the OUXI V8 is its dual-battery setup. Instead of a single pack, you get two 48V 15Ah batteries (30Ah combined). One sits on the down tube in the traditional spot, while the second is integrated under the seat area.

Capacity and removability

Together, these batteries offer a huge amount of usable energy for a compact bike. The packs are removable and lockable, so you can charge them indoors or leave one at home if you want to cut weight for shorter rides. Both batteries are UL-certified and managed by a BMS (Battery Management System) for safety and longer cycle life.

Real-world range expectations

The brand quotes a maximum range of 56–74 miles, which assumes lighter riders, moderate speeds, and efficient PAS use on relatively flat terrain. In realistic mixed use with a heavier adult, some hills and higher PAS levels, a more honest expectation would be:

• Throttle-heavy city riding: ~25–35 miles
• Mixed PAS 2–3 with occasional throttle bursts: ~35–55 miles
• Eco-minded PAS riding on flatter terrain: potentially 60+ miles if you ride conservatively

Even at the lower end, that’s plenty for most commutes and weekend adventures. For many riders, range will cease to be a daily concern – you’ll simply top up every few rides instead of every single day.

Charging

Charging time is listed at about 7–8 hours for a full cycle using the included charger. If you run both batteries low, you’ll either charge them sequentially or use two chargers if you purchase a second one. For most people, plugging in overnight is the simplest approach.

The charging ports are placed in sensible locations and protected from splashes, though it’s always good practice to charge the batteries indoors, away from extreme temperatures and moisture.

Ride Comfort & Handling

Comfort

The OUXI V8’s comfort story is all about its bench seat, suspension fork, and fat tires.

• Riding posture: The cockpit places you in a slightly upright, relaxed stance. It feels more like sitting on a small scooter than on a traditional bicycle. Your arms reach forward to a mid-height handlebar, and your legs extend forward/down rather than directly underneath you.
• Seat comfort: The long, padded bench is designed for casual rides and the occasional passenger. It’s firmer than a plush cruiser saddle but softer than many stock mountain bike seats. On shorter trips it’s comfortable; on very long rides you may eventually wish for a bit more contour or added padding.
• Suspension: The front fork and shock-absorption system are tuned more for comfort than aggressive off-road jumps. They soak up potholes, curb drops and rough pavement well enough to keep your wrists and shoulders from taking the full hit. There’s some “rebound bounce” if you hit a series of bumps quickly, which is normal in this price range.
• Fat tires: The 20"×4.0" CST fat tires do a lot of comfort work. Run them at the lower end of the recommended pressure range for more cushion on dirt, sand, or snow; pump them up higher for efficiency on pavement. Their wide contact patch smooths over cracks, cobblestones and gravel better than narrow commuter tires.

For everyday commuting and recreational rides, the V8 offers a very forgiving ride, especially for riders who might otherwise feel beaten up by stiff frames and skinny tires.

Handling & Stability

Despite its weight, the V8 handles reasonably well once you’re rolling.

• Low-speed maneuvering: The short wheelbase and fat tires give it a nimble feel at neighborhood speeds. Tight U-turns and weaving through low-speed traffic are manageable, though you always feel that you’re piloting a substantial machine rather than a featherweight bike.
• High-speed stability: At 20–28 mph, the bike remains stable so long as tire pressures are correct and the road is reasonably smooth. The wide tires provide a reassuring sense of grip, especially in corners.
• Off-pavement: On packed dirt, gravel, and even sand, the V8 feels more confident than typical commuter bikes. The fat tires float over loose surfaces, and the front suspension helps keep the front wheel from deflecting too sharply off rocks or roots. As with any heavy e-bike, hard off-road riding requires respect and practice, but the platform is capable.

Overall, the ride feel is best described as solid, cushioned and confident, rather than lively or ultra-agile. That fits the moped-style character perfectly.

Brakes & Safety Features

Given its power and weight, the choice of dual hydraulic disc brakes on the OUXI V8 is a major plus.

Braking performance

Hydraulic systems typically offer stronger, more consistent braking with less hand effort than mechanical discs, and that’s exactly what you want on a 30+ mph bike. The V8’s brakes are responsive, with firm lever feel and predictable engagement. You can bring the bike down from higher speeds with confidence, and the wide tires add extra grip under hard braking.

Compared with mechanical disc brakes, OUXI claims up to 50% shorter average braking distance, and while exact numbers vary by rider and conditions, the difference in feel is noticeable. In wet conditions the hydraulics still perform reliably, though you should always give yourself extra margin on slick roads.

Lighting and visibility

The bike is equipped with:

• A large round headlight that projects a strong beam for night riding and helps you be seen by others.
• A rear light and signal light assembly that improves visibility from behind and alerts drivers when you’re braking or turning (depending on configuration).
• Reflective elements on the tires and frame to catch headlights at night.

While it’s always smart to add extra reflective gear or a bright helmet light if you ride frequently at night, the stock lighting package is more generous than many budget e-bikes.

Additional safety elements

• IP54 water resistance allows you to ride through light rain and puddles without worrying about every splash, though you should avoid submerging components or leaving the bike out in heavy downpours.
• UL-certified batteries and BMS provide reassurance on the electrical safety front.
• Fat tires give a large, grippy contact patch that helps with stability on loose or wet surfaces.

Taken together, the braking and safety features are a strong point of the V8 and help justify its positioning as a fast, capable machine rather than a basic city e-bike.

Controls, Display & Riding Modes

The OUXI V8 uses a M5 LCD display paired with a set of handlebar-mounted controls and a thumb throttle.

Display

The screen shows:

• Current speed
• Battery level
• PAS (pedal assist) level
• Odometer / trip distance
• Basic status indicators

Readability is good in typical daylight conditions, and the backlight helps at night. In direct, harsh sunlight you may need to angle it slightly for perfect clarity, but that’s fairly standard.

Riding modes

You get three core riding modes and five PAS levels:

1. Bicycle mode: Power off, ride it as a conventional bike (though the weight means you’ll really notice the motor and batteries).
2. Pedal Assist Mode (PAS): The motor provides assistance when you pedal, with levels 1–5 controlling how much boost you get. Lower levels are suitable for relaxed cruising and maximizing range; higher levels give more speed and acceleration.
3. Pure electric (throttle) mode: Use the thumb throttle to ride without pedaling. Great for short hops, steep hills, or when you’re tired.

The transitions between PAS levels are smooth, and each step up noticeably increases assist without feeling jerky. Most riders will find PAS 2–3 comfortable for normal city riding, with PAS 4–5 kept in reserve for hills or speedy sections.

Controls and ease of use

The control pad sits within thumb reach on the left side of the handlebar, allowing you to change modes while keeping your hands on the grips. The thumb throttle is on the right side, near the shifter.

New e-bike riders should pick things up quickly. After a brief learning curve, adjusting PAS, checking battery level and using the throttle all become second nature. There’s no separate mobile app required, which many riders will appreciate.

Fit, Sizing & Adjustability

The OUXI V8 is built around a one-size moped-style frame with a long bench seat. The recommended rider height range is 5'4" to 6'5", which covers a wide spectrum.

However, it’s important to understand that:

• The seat height is fixed, not adjustable like a standard bicycle saddle. That means you can’t fine-tune leg extension for pedaling efficiency.
• Fit is more about overall comfort and reach than textbook cycling ergonomics. You sit slightly lower and more upright, and you pedal with a somewhat bent knee even at the bottom of the stroke.

For riders in the middle of the recommended range, this works well and matches the laid-back moped style of the bike. Very short riders may find the standover height and cockpit a bit tall; very tall riders may feel slightly cramped if they want full, powerful pedal strokes. For purely throttle-heavy riding, that matters less.

The handlebar angle can typically be adjusted a bit, and you can slide your seating position forward or back on the bench to tweak reach. But if you want a perfectly dialed cycling posture with millimeter-level adjustments, a traditional ebike with an adjustable saddle and stem will be a better choice.

Assembly & Out-of-the-Box Experience

Like most direct-to-consumer e-bikes, the OUXI V8 arrives mostly pre-assembled – about 85% assembled out of the box.

You’ll generally need to:

• Attach the front wheel
• Install the handlebar and stem
• Mount the pedals
• Attach the front light and fenders (if not already installed)
• Check and adjust the brakes and gears

The bike includes a basic tool kit and a pump, and OUXI provides video guidance to walk through the process. For someone with moderate mechanical confidence, assembly typically takes under an hour. Beginners may need a bit more time but should still be able to manage with patience.

As with any e-bike, it’s worth double-checking all bolts, especially on the stem, handlebar, wheels, and brake calipers, and ensuring the tire pressure is set appropriately before your first real ride. If you’re not comfortable doing adjustments yourself, a quick visit to a local bike shop for a safety check is a good investment.

Packaging is generally robust, with foam and cardboard protecting key components. As long as the courier treats the box reasonably, the bike should arrive without shipping damage.

What’s Included in the Box?

In the box you’ll typically find:

• OUXI V8 MAX electric bike (mostly pre-assembled)
• Dual 48V 15Ah removable batteries
• Battery charger
• Front and rear fenders
• Integrated headlight and rear light
• Kickstand (pre-installed)
• Basic tool kit and mini pump
• User manual and warranty information

Our take on the package

For the price, the accessory package is generous. You don’t need to immediately buy essentials like fenders, lights or a kickstand; they’re all included. The fact that you get two full-size batteries rather than paying extra for a second pack is one of the key value points of this bike.

The only things some riders might consider adding are a rear cargo rack or passenger foot pegs (if not included), a more powerful aftermarket horn, and perhaps a suspension seatpost if they want even more comfort. But right out of the box, the bike is ready for commuting and recreation.

Pros & Cons

Pros

Pros	Why it matters
Powerful 750W motor (1000W peak)	Strong acceleration, solid hill-climbing and 31 mph potential make it genuinely fun to ride.
Dual 48V 15Ah batteries (30Ah total)	Offers excellent range and flexibility; fewer charging stops and less range anxiety.
Hydraulic disc brakes	Better stopping power and control, especially crucial on a heavy, fast bike.
20"×4.0" fat tires & front suspension	Smooth ride on rough roads, snow, sand and gravel; more confidence in varied conditions.
Moped-style design with long bench seat	Stylish, retro look and ability to carry a passenger for short trips.
High payload capacity (330 lb)	Suitable for heavier riders and those carrying gear or an occasional passenger.
Good value for the hardware	At its price point, the combination of dual batteries, hydraulics and powerful motor is hard to beat.

Cons

Cons	Impact
Very heavy (around 84 lb)	Difficult to carry upstairs, load onto racks, or pedal without assist.
Non-adjustable bench seat	Limited ability to fine-tune pedaling position; fit is more “moped” than “bicycle.”
Not ideal for strict Class-1/2 trail rules	High speed potential may conflict with some e-bike access regulations.
Single frame size only	Riders at the extreme ends of the height range may not get a perfect ergonomic fit.
Charging both batteries can take time	Full recharge from low can require an overnight charge, especially if done sequentially.

How the OUXI V8 Compares to Alternatives

Within the moped-style fat-tire category, the OUXI V8 competes with various 750W and 1000W bikes that often offer:

• A single 48V 15–20Ah battery
• Mechanical disc brakes
• Similar 20"×4.0" tire setups and retro aesthetics

Compared with many of those, the V8’s dual-battery system and hydraulic brakes stand out as key advantages. You get more range and better stopping power without a major bump in price.

On the other hand, some higher-priced alternatives may:

• Use more advanced displays or smartphone-connected controllers
• Offer rear suspension or more refined suspension forks
• Provide multiple frame sizes or adjustable seats for more precise fit

If you value maximum comfort, brand prestige, or dealer support, you might lean toward those premium models. But if your priority is raw performance, long range and strong components at a budget-friendly price, the OUXI V8 MAX remains very compelling.

In short, the V8 is an excellent choice when you want a powerful, long-range, moped-style e-bike without doubling your budget.

Common Questions About the OUXI V8

Final Verdict – Should You Buy the OUXI V8?

Score: 8.6 / 10 (for power-hungry, value-focused riders)

The OUXI V8 MAX is a bold, capable moped-style e-bike that delivers where it counts: power, range, braking and style. The 750W motor with 31 mph potential, dual 48V 15Ah batteries, hydraulic brakes and 20" fat tires create a package that feels more like a small electric moto than a traditional bicycle, yet you still have pedals and gears when you want them.

It’s not a bike for everyone. Riders who live in walk-up apartments, want a feather-light commuter, or insist on perfectly adjustable bicycle fit may find the V8’s weight and fixed bench seat restrictive. And in areas with strict e-bike laws, you’ll need to be mindful of its speed and power potential.

But if you’re looking for:

• A powerful fat-tire e-bike that can handle hills, mixed terrain and higher speeds
• Long range thanks to dual 48V 15Ah batteries
• Hydraulic brakes for safe stopping on a heavy machine
• A retro-modern moped look that stands out in a crowd

…then the OUXI V8 MAX deserves a spot at the top of your shortlist.

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