BLJ 20×4.0 Fat Tire Electric Bike – Power, Stability & Adventure
The BLJ 750W Electric Bike is built for riders who want strength, comfort, and versatile all-terrain performance. Whether cruising city streets, beach paths, or forest trails, its wide 20×4.0 inch fat tires and powerful brushless motor provide exceptional traction and control.
Powerful 48V Motor for Confident Riding
Equipped with a high-performance 48V brushless motor (250W / 800W peak depending on mode), the BLJ ebike reaches speeds up to 45 km/h, delivering smooth acceleration, excellent hill climbing and reliable torque output at 65 Nm.
Removable 48V 13Ah Lithium Battery
The 13Ah removable lithium battery provides excellent range for daily commuting or weekend exploration:
- 45–50 km in pure electric mode
- 60–80 km in pedal-assist mode
- Fully charges in 4–6 hours using the included 48V 2A smart charger
Sturdy Fat-Tire Design for All Terrain
20×4.0 inch fat tires ensure stability on sand, snow, gravel, and pavement. Paired with an aluminum alloy front fork and solid frame construction, the BLJ e-bike provides a smooth and comfortable ride even on uneven terrain.
Smart Riding Features
The colorful M6C vertical LCD display shows speed, battery level, distance, pedal-assist level, and more. Intelligent pedal-assist offers 0–5 levels to match your riding style, and LED headlights + rear brake lights enhance night-time visibility.
Durable Build & Comfortable Fit
Designed for riders from 155–195 cm, this electric bike supports up to 180 kg, making it ideal for both men and women. The aluminum alloy frame adds strength without unnecessary weight (26 kg net).
Specifications
- Tires: 20 x 4.0 fat tires
- Motor: 48V brushless (250W / 800W peak)
- Battery: 48V 13Ah removable lithium battery
- Transmission: Shimano 7-speed
- Brakes: Front & rear disc brakes
- Range: 45–50 km electric / 60–80 km assisted
- Max Speed: 45 km/h
- Torque: 65 Nm
- Charging Time: 4–6 hours
- Max Load: 180 kg
- Display: M6C colorful LCD
- Lights: LED headlight & brake light
- Weight: 26 kg (bike) / 33 kg (packed)
- Frame Material: Aluminum alloy
Key Features (Bullet Points)
✔ 20×4.0 fat tires for city, beach, snow & off-road
✔ 48V brushless motor with up to 800W peak power
✔ 48V 13Ah removable battery for long-distance riding
✔ Up to 80 km pedal-assist range
✔ Shimano 7-speed drivetrain
✔ Aluminum alloy frame + front suspension
✔ LED headlight & brake light for night safety
✔ Supports riders up to 180 kg



























































Matthew Taylor –
Love this ebike.
Brittany Taylor –
This BLJ 750W fat tire ebike has tons of power and handles rough terrain effortlessly. The 20×4.0 tires give great stability and the 48V battery provides excellent range.
James Scott –
Riding this has been a blast. Lots of power, handles bumps easily, and the frame feels durable. Excellent ebike for all-around use.
David Moore –
The power delivery is very smooth and the bike feels extremely solid. Battery life is great and it charges quickly. One of the best ebikes I’ve bought.
Michael Harris –
Great uphill performance and very comfortable on long rides. The tires absorb a lot of vibration and the motor is strong and quiet.
Jessica Martin –
Really great ebike for the price. Powerful motor, great traction, and solid construction. Perfect for mixed terrain.
Christopher Martinez –
Riding this has been a blast. Lots of power, handles bumps easily, and the frame feels durable. Excellent ebike for all-around use.
Victoria Martin –
Great uphill performance and very comfortable on long rides. The tires absorb a lot of vibration and the motor is strong and quiet.
Andrew Johnson –
Great uphill performance and very comfortable on long rides. The tires absorb a lot of vibration and the motor is strong and quiet.
Brittany Taylor –
Really great ebike for the price. Powerful motor, great traction, and solid construction. Perfect for mixed terrain.
Andrew Thomas –
Love this ebike.
David Allen –
Very strong motor.
Brittany Moore –
Riding this has been a blast. Lots of power, handles bumps easily, and the frame feels durable. Excellent ebike for all-around use.
Brittany Taylor –
Riding this has been a blast. Lots of power, handles bumps easily, and the frame feels durable. Excellent ebike for all-around use.
Samantha Thomas –
Great uphill performance and very comfortable on long rides. The tires absorb a lot of vibration and the motor is strong and quiet.
Jessica Martin –
Really great ebike for the price. Powerful motor, great traction, and solid construction. Perfect for mixed terrain.
Hannah Thompson –
Super impressed with this bike. The 750W motor delivers strong acceleration and climbs hills with no struggle. The 13Ah battery lasts longer than expected.
Michael Taylor –
Love this ebike.
Michael Johnson –
This BLJ 750W fat tire ebike has tons of power and handles rough terrain effortlessly. The 20×4.0 tires give great stability and the 48V battery provides excellent range.
Megan White –
This BLJ 750W fat tire ebike has tons of power and handles rough terrain effortlessly. The 20×4.0 tires give great stability and the 48V battery provides excellent range.
Matthew Harris –
Great power and smooth ride!
Nicholas Rivera –
Excellent fat tire bike.
Brittany Johnson –
Great uphill performance and very comfortable on long rides. The tires absorb a lot of vibration and the motor is strong and quiet.
Megan Allen –
Good range and solid build.
Megan Miller –
Great uphill performance and very comfortable on long rides. The tires absorb a lot of vibration and the motor is strong and quiet.
Brittany King –
Handles bumps easily.
Megan Thomas –
Super impressed with this bike. The 750W motor delivers strong acceleration and climbs hills with no struggle. The 13Ah battery lasts longer than expected.
Nicholas Miller –
Great uphill performance and very comfortable on long rides. The tires absorb a lot of vibration and the motor is strong and quiet.
James Harris –
This bike exceeded my expectations. Smooth motor assistance, strong frame, and the 20×4.0 tires handle everything with ease.
Emily Allen –
Riding this has been a blast. Lots of power, handles bumps easily, and the frame feels durable. Excellent ebike for all-around use.
Brittany Brown –
Great all-terrain bike.
Jessica Rivera –
Fantastic value for a powerful fat tire ebike. Smooth ride, great suspension feel, and very stable on dirt or pavement. Highly recommended.
James Moore –
I use this bike daily and it performs flawlessly. The battery range is impressive and the fat tires give a stable, confident ride.
Lauren Allen –
Riding this has been a blast. Lots of power, handles bumps easily, and the frame feels durable. Excellent ebike for all-around use.
Victoria Allen –
Great uphill performance and very comfortable on long rides. The tires absorb a lot of vibration and the motor is strong and quiet.
Megan Brown –
This bike exceeded my expectations. Smooth motor assistance, strong frame, and the 20×4.0 tires handle everything with ease.
Joseph Brown –
Riding this has been a blast. Lots of power, handles bumps easily, and the frame feels durable. Excellent ebike for all-around use.
Ashley Scott –
This bike is a beast. Strong torque, comfortable riding position, and great traction thanks to the fat tires. Perfect for commuting and weekend rides.
James Thompson –
This bike exceeded my expectations. Smooth motor assistance, strong frame, and the 20×4.0 tires handle everything with ease.
Matthew Thomas –
I use this bike daily and it performs flawlessly. The battery range is impressive and the fat tires give a stable, confident ride.
Matthew Scott –
This bike is a beast. Strong torque, comfortable riding position, and great traction thanks to the fat tires. Perfect for commuting and weekend rides.
Christopher Thomas –
Great power and smooth ride!
Daniel Thompson –
I use this bike daily and it performs flawlessly. The battery range is impressive and the fat tires give a stable, confident ride.
Megan Anderson –
Fantastic value for a powerful fat tire ebike. Smooth ride, great suspension feel, and very stable on dirt or pavement. Highly recommended.
Ashley Taylor –
Good range and solid build.
Jessica Taylor –
This BLJ 750W fat tire ebike has tons of power and handles rough terrain effortlessly. The 20×4.0 tires give great stability and the 48V battery provides excellent range.
Jessica White –
Handles bumps easily.
Hannah White –
Riding this has been a blast. Lots of power, handles bumps easily, and the frame feels durable. Excellent ebike for all-around use.
Christopher Walker –
Riding this has been a blast. Lots of power, handles bumps easily, and the frame feels durable. Excellent ebike for all-around use.
Victoria King –
This BLJ 750W fat tire ebike has tons of power and handles rough terrain effortlessly. The 20×4.0 tires give great stability and the 48V battery provides excellent range.
Joseph Garcia –
This bike exceeded my expectations. Smooth motor assistance, strong frame, and the 20×4.0 tires handle everything with ease.
Christopher Allen –
Great uphill performance and very comfortable on long rides. The tires absorb a lot of vibration and the motor is strong and quiet.
Megan Martinez –
Love this ebike.
Megan King –
This bike exceeded my expectations. Smooth motor assistance, strong frame, and the 20×4.0 tires handle everything with ease.
Joseph Thomas –
Riding this has been a blast. Lots of power, handles bumps easily, and the frame feels durable. Excellent ebike for all-around use.
Megan Davis –
I use this bike daily and it performs flawlessly. The battery range is impressive and the fat tires give a stable, confident ride.
Brittany Taylor –
This bike is a beast. Strong torque, comfortable riding position, and great traction thanks to the fat tires. Perfect for commuting and weekend rides.
Megan Brown –
Great uphill performance and very comfortable on long rides. The tires absorb a lot of vibration and the motor is strong and quiet.
Hannah Thompson –
This bike exceeded my expectations. Smooth motor assistance, strong frame, and the 20×4.0 tires handle everything with ease.
James Walker –
This BLJ 750W fat tire ebike has tons of power and handles rough terrain effortlessly. The 20×4.0 tires give great stability and the 48V battery provides excellent range.
Nicholas Johnson –
This bike is a beast. Strong torque, comfortable riding position, and great traction thanks to the fat tires. Perfect for commuting and weekend rides.
Jessica Martin –
Great power and smooth ride!
Samantha Rivera –
Fantastic value for a powerful fat tire ebike. Smooth ride, great suspension feel, and very stable on dirt or pavement. Highly recommended.
James Young –
Riding this has been a blast. Lots of power, handles bumps easily, and the frame feels durable. Excellent ebike for all-around use.
Matthew Rivera –
Handles bumps easily.
Matthew Walker –
Super fun to ride.
Hannah Thompson –
Excellent fat tire bike.
Emily Allen –
Super fun to ride.
Ashley Walker –
This bike is a beast. Strong torque, comfortable riding position, and great traction thanks to the fat tires. Perfect for commuting and weekend rides.
James Moore –
I use this bike daily and it performs flawlessly. The battery range is impressive and the fat tires give a stable, confident ride.
Matthew Taylor –
Excellent fat tire bike.