At a glance
The KingSong M3 is a commuter electric bike listed at $799. Manufacturer specs put it at 350W of rated motor power, a 375Wh battery, a claimed 31 mile range, and a 22 mph top speed, at 55 lbs.
Next to the 33 other electric bikes in its price band ($599–$999), its strongest numbers are weight (55 lbs vs 79 lbs avg) and charge time (4 h vs 4.7 h avg). The tradeoffs are battery capacity (375Wh vs 796Wh avg) and claimed range (31 mi vs 65 mi avg).
Spec-based analysis, computed from manufacturer-published numbers and compared against 33 similar electric bikes by price. No hands-on testing yet.
Strengths & weaknesses
Designed for: Urban CommutingStrengths
55 lbs vs 79 lbs avg
4 h vs 4.7 h avg
Weaknesses
375Wh vs 796Wh avg
31 mi vs 65 mi avg
350W vs 723W avg
6.8 Wh/lb vs 10.7 Wh/lb avg
Compared with 33 similarly priced models ($599–$999), from manufacturer specs.
Full Specifications
KingSong M3
Powertrain
- Nominal Power
- 350 W
- Peak Power
- 650 W
- Assist Levels
- 3
Battery & Range
- Capacity
- 375.2 Wh
- Amp-Hours
- 7.8 Ah
- Voltage
- 48 V
- Claimed Range
- 31.1 mi50.1 km
- Charge Time
- 4-5 h
- Removable Battery
- Battery Position
- In Frame
Build Quality
- Gears
- 7
- Gearing
- Derailleur
- Shifter
- Shimano 7 Speed
Utility
- Weight
- 55.3 lbs25.1 kg
- Max Load
- 264.6 lbs120 kg
- Rear Rack
- Lights
- Connectivity
- Bluetooth
- App Compatible
- Motor Lock
- Warranty
- 12 mo
Classification
- Category
- Commuter
- Top Assist Speed
- 21.7 mph34.9 km/h
Wheels & Tires
- Wheel Size
- 20"
- Tire Size
- 20x2.215
Frame & Geometry
- Frame Style
- Folding
- Overall Length
- 60.6"153.9 cm
Compare KingSong M3 to other vehicles
Pick a challenger and see every spec side by side.
KingSong M3vsSimilar E-Bikes
Browse all →
Worth reading
All guides →
Best Of
Best Electric Bikes Under $1000: Budget E-Bikes That Don't Compromise on Quality
Finding a quality electric bike under $1000 takes strategy. We break down the best value e-bikes, what specs matter most, and where to compromise smartly.
Best Of
Best Cargo Electric Bikes of 2026: Family Haulers, Budget Options, and Long Range Models
We compare the top cargo electric bikes for hauling kids, groceries, and gear, from budget friendly models under $1,500 to long range workhorses.
Best Of
Best Folding Ebikes of 2026: Compact, Portable Electric Bikes for Minimal Storage
The best folding ebikes balance portability with performance, offering full-size power in a package that fits in your trunk or under your desk.