DYU M20 vs King750: Which Fat-Tire E-Bike Wins?

If you're in the market for a fat-tire electric bike, you've probably noticed that DYU offers not one but two compelling options: the M20 and the King750.

Both are folding fat-tire e-bikes with serious off-road capability. Both pack powerful motors and long-range batteries. But they're built for slightly different riders — and the differences matter more than you might think.

Today, we're breaking down DYU M20 vs King750 — specs, ride feel, weight, range, and real-world usability — to help you figure out which one belongs in your garage. 👇

🧠 Quick Comparison: Specs at a Glance

 

🏔️ DYU M20 — The Powerhouse Performer

The M20 is DYU's flagship fat-tire e-bike — the one that gets the most attention and the most excitement.

What Makes It Special

The M20's 1500W peak motor delivers instant, grin-inducing acceleration. One reviewer described it best: “The first time I twisted the throttle from a dead stop, I almost ended up on my back.” After a week of calibration, the power becomes genuinely useful — climbing a 6% grade hill at 22 mph with moderate pedaling.

The 48V 18.2Ah battery (873Wh) provides up to ~100 miles of claimed pedal-assist range — enough for a full week of commuting or a serious weekend adventure.

Key highlights:

• 20″ × 4.0″ fat tires — Chaoyang anti-puncture tires for excellent grip on snow, sand, and trails

• Front fork + spring shock absorber — absorbs bumps across varied terrain

• Smart LCD display with APP connectivity and Type-C charging port — charge your phone on the go

• IP54 water resistance — handles light rain and splashes

• Shimano 7-speed drivetrain — smooth, reliable gear changes

• Disc brakes — dependable stopping power

• CE certified — meets international safety standards

The Ride Experience

The M20 is heavy — 40 kg — but that weight translates to stability. One reviewer noted it “felt planted and confidence-inspiring” at speed. The fat tires and suspension soak up bumps that would rattle lesser bikes apart. It's not a bike you'll want to carry up stairs, but it's a bike you'll love to ride.

Who It's For

🏞️ DYU King750 — The All-Day Adventure Cruiser

The King750 takes a different approach: slightly less peak power, but more balanced for all-day riding.

What Makes It Special

The King750 features a 1000W motor — still seriously powerful — paired with a 48V 13.2Ah battery (633Wh). The claimed range is ~55 miles, which is still enough for most daily commutes and weekend adventures.

Key highlights:

• 20″ × 4.0″ fat tires — same excellent grip and stability as the M20

• Front fork + rear spring suspension — smooths out rough terrain

• Disc brakes — reliable stopping power

• Shimano 7-speed drivetrain — dependable shifting

• Folding frame — stores easily in apartments or car trunks

• LCD display — tracks speed, battery, and distance

The Ride Experience

At 35 kg, the King750 is 5 kg lighter than the M20. That doesn't sound like much until you need to maneuver it into a car trunk or up a curb. The lower weight also makes it slightly more agile in tight spaces.

The King750's power delivery is more controlled than the M20's — less “scary” for newer riders, but still more than enough to handle steep hills and rough terrain.

Who It's For

🔍 Head-to-Head: What Actually Matters

Let's cut through the specs and talk about what you'll actually feel when you ride.

⚡ Motor Power: 1500W vs 1000W

The M20's 1500W peak is noticeably punchier. You'll feel it when:

• Accelerating from a stop — the M20 surges forward

• Climbing steep hills — the M20 maintains speed with less effort

• Riding off-road — the extra torque helps in loose conditions

The King750's 1000W is still plenty powerful — it's just more progressive and less abrupt. For most riders, it's more than enough.

Winner: M20 for raw power. King750 for controlled, rider-friendly delivery.

🔋 Battery & Range: 873Wh vs 633Wh

The M20's 18.2Ah battery gives it a significant range advantage — ~100 miles claimed vs ~55 miles on the King750.

Real-world impact:

• M20 riders can go 3–5 days on a single charge for most commutes

• King750 riders will need to charge more frequently, but 55 miles is still enough for most daily use

Winner: M20 — bigger battery, longer range.

⚖️ Weight: 40kg vs 35kg

This is a real trade-off. The M20 is 5 kg heavier — and you'll feel it:

• When lifting into a car trunk

• When maneuvering through doorways

• When carrying up stairs (though neither is ideal for that)

The King750's lighter weight makes it more practical for everyday handling.

Winner: King750 — lighter and easier to live with.

🛞 The Fat Tires: Same — But Different

Both bikes use 20″ × 4.0″ fat tires — the same size and same excellent stability. The M20 features Chaoyang anti-puncture tires, which is a nice premium touch. The King750's tires are still solid, but the M20's are slightly higher-spec.

Winner: M20 — slightly better tire spec.

📱 Display & Features

The M20's smart LCD display is a clear upgrade — with APP connectivity and a Type-C charging port for your phone. The King750 has a standard LCD display — functional but less flashy.

Winner: M20 — more features, more convenience.

💧 Water Resistance

The M20 carries an IP54 rating — meaning it's protected against splashing water from all directions. The King750 doesn't have a specified IP rating on its product page.

Winner: M20 — better protection for wet conditions.

🎯 Which One Should You Buy?

Here's the simplest way to decide:

 

🌍 Why DYU? The Brand Behind the Bikes

Both the M20 and King750 come from DYU — a brand with over 1.5 million riders worldwide and a 30%+ market share in the European folding e-bike category.

What you get with either DYU:

• Over 1.5 million riders worldwide — a brand people trust ✅

• UL, CE, FCC, and RoHS certified quality ✅

• Smart, lightweight designs for real-world riding ✅

• Folding convenience for storage and transport ✅

• Built for actual city commutes and weekend adventures ✅

❓ Frequently Asked Questions

Q: Which is more powerful — M20 or King750?
A: The M20 is more powerful with 1500W peak vs the King750's 1000W. You'll feel the difference in acceleration and hill climbing.

Q: Which one has better range?
A: The M20 with its 48V 18.2Ah battery offers ~100 miles claimed vs the King750's ~55 miles. That's a significant difference for longer trips.

Q: Which one is lighter?
A: The King750 is 5 kg lighter — 35 kg vs 40 kg. That matters if you need to lift or store your bike often.

Q: Are both bikes foldable?
A: Yes. Both feature folding frames for easy storage and transport.

Q: Which one is better for a beginner?
A: The King750 is more beginner-friendly — power delivery is more controlled, and the lighter weight makes it easier to handle.

Q: Which one should I buy?
A: Choose the M20 if you want maximum power, range, and features. Choose the King750 if you want a lighter, more maneuverable bike with plenty of capability.

🎬 The Bottom Line

The M20 and King750 are both excellent fat-tire e-bikes — but they serve different riders.

• The M20 is for the power seeker — 1500W peak, 100-mile range, maximum capability. It's the bike you buy when you want the absolute best DYU has to offer.

• The King750 is for the balanced rider — still powerful at 1000W, lighter at 35kg, and more than capable for 95% of everyday rides. It's the bike you buy when you want serious capability without the bulk.

What you get with either:

• Serious fat-tire stability ✅

• Powerful motors for hills and trails ✅

• Folding convenience ✅

• DYU quality and reliability ✅

Still not sure which one fits your ride? Reach out to us — we'll help you match the right DYU to your commute, your terrain, and your lifestyle.

Two fat-tire e-bikes. One perfect match. Find yours. 🚲⚡