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At a glance

The NIU BQi FAT Tire 300 Step Over is a all terrain electric bike listed at $799. Manufacturer specs put it at 750W of rated motor power, a 768Wh battery, a claimed 50 mile range, and a 28 mph top speed, at 79 lbs.

Next to the 33 other electric bikes in its price band ($599–$999), its strongest numbers are included features (9 features vs 7 features avg). The tradeoffs are charge time (6 h vs 4.7 h avg) and claimed range (50 mi vs 65 mi avg). Beyond the headline numbers it brings an IP45, safe for light rain ingress rating.

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: Varied Terrain Including Sand and Snow

Strengths

FeaturesGreat

9 features vs 7 features avg

Water resistanceGood

IP45, safe for light rain

Weaknesses

Charge time↓ 29%

6 h vs 4.7 h avg

Range↓ 23%

50 mi vs 65 mi avg

Max load↓ 16%

308 lbs vs 367 lbs avg

Energy density↓ 8%

9.7 Wh/lb vs 10.6 Wh/lb avg

Compared with 33 similarly priced models ($599–$999), from manufacturer specs.

Performance Overview

Category scores out of 100 from manufacturer specs, with the median of 33 similarly priced e-bikes ($599–$999) for context

PowertrainBattery& RangeBuildQualityRideComfortUtility
NIU BQi FAT Tire 300Similar-price median

Scores out of 100. The gray tick marks the median of similarly priced e-bikes.

How to read this: each spoke is a category score out of 100, computed from manufacturer specs on fixed scales. Every vehicle is measured on the same scales, so scores don't shift as our database grows. Further from the center is better. The gray line shows the median score of similarly priced e-bikes for context.

Full Specifications

NIU BQi FAT Tire 300 Step Over

Powertrain

Motor Type
Hub Brushless
Nominal Power
750 W
Peak Power
1000 W
Sensor Type
Torque
Assist Levels
3
Throttle

Battery & Range

Capacity
768 Wh
Amp-Hours
16 Ah
Voltage
48 V
Claimed Range
50 mi80.5 km
Charge Time
6 h

Build Quality

Front Brake
Hydraulic Disc
Rear Brake
Hydraulic Disc
Front Rotor
180 mm
Rear Rotor
180 mm
Gears
8
Drive System
Chain
Gearing
Derailleur
Derailleur
Shimano Altus
Cassette
8 Speed Freewheel 12 32T
Frame Material
Aluminum
Puncture Protection
UL 2849

Ride Comfort

Front Travel
80 mm

Utility

Weight
79 lbs35.8 kg
Max Load
308 lbs139.7 kg
Rear Rack
Rear Rack Capacity
66 lbs29.9 kg
Fenders
Kickstand
IP Rating
IP45
Lights
Display
TFT
Connectivity
Bluetooth
App Compatible
Warranty
24 mo

Classification

Category
All Terrain
Top Assist Speed
28 mph45.1 km/h

Wheels & Tires

Wheel Size
26"
Tire Size
26x4.0
Tire Category
Fat
Tire Brand
NIU

Frame & Geometry

Frame Style
Step Over
Min Seat Height
34.6"87.9 cm
Max Seat Height
43.9"111.5 cm

Smart Features

USB Output

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