
48V 15.6Ah Removable Battery with Anti-Theft Key Lock
With a 48V 15.6Ah removable battery and 60–120 km claimed range, the BK15 4.0 is built for riders who want more flexibility in daily use. It brings real range confidence to commuting, errands and longer weekend routes. Instead of planning every ride around charging, riders get more freedom to go further with less hesitation.
Upgraded 26x4.0-Inch Puncture-Resistant Tires for Enhanced Durability
The 26×4.0 fat tires help the BK15 4.0 feel more planted on rough asphalt, gravel paths and uneven surfaces. The result is a steadier, more confidence-inspiring ride that feels easier to trust across mixed everyday conditions. That added stability also helps riders feel more relaxed when surfaces change quickly beneath the bike.
Smooth Ride with Front Fork Suspension
A front suspension fork helps take the sting out of cobblestones, patched roads and rougher city routes. It adds everyday comfort and helps reduce fatigue, especially for riders who regularly deal with less-than-perfect surfaces. The result is a ride that feels calmer through the hands and shoulders over longer daily distances.
Useful Power Where It Counts
The BK15 4.0 uses 70Nm of torque to make starts, inclines and longer rides feel easier and more controlled. Instead of only looking capable on paper, it gives riders support they can actually feel on the road. That makes everyday climbing, stop-start traffic and heavier riding conditions feel less demanding and more manageable.
Powerful & Feature-Packed
The BK15 4.0 ebike not just gives you the capability you need to explore trails, but it also makes you look good while you’re at it. It’s also feature-packed to make sure you have a fun experience.
What's in the package?
Ebike x 1
Manual x 1
NFC Card x 2
3.0A Battery Charger x 1
Bicycle Pump x 1
Lock x 1
Installation Tools x 1
Keys x 1
Specifications
Technical Specifications
- Motor 250W 70NM Hub Motor
- Battery 48V 15.6Ah 748.8WhLithium-ion Battery
- Display Multifunctional LCD Display with APP and NFC
- Top Speed 25 km/h
- Range 60-120 km
- Climbing Angle Up to 25°
- Frame Carbon Structural Steel
- Front Fork Suspension Front Fork
- Drivetrain Shimano 7-speed
- Tires 26×4.0 in Pneumatic Tire
- Package/Net Weight 39.7kg/30.5 kg
- Charging Time 6-7 Hours
Geometry
- A Total Length 172 cm
- B Handlebar Height 98 cm
- C Wheelbase 106 cm
- D Saddle Height 85-108 cm
- E Top Tube Length 65 cm
- F Wheel Diameter 26 in
- G Handlebar Length 62 cm
- Rider height 170-200 cm
Which bike is right for you?
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1
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Battery
48V 15.6Ah 748.8Wh
48V 15Ah 720Wh SAMSUNG Battery
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Range
60-120 km
70-150 km
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Weight
30.5 kg
33,4 kg
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Tire
26×4.0 in Puncture-resistant Tires
26×4.0 inch Puncture-resistant Tires
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Rider Height
170-200 cm
165-195 cm
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Frame Material
Carbon Structural Steel
Aluminum Alloy