BK-S3 All-Terrain Trekking E-Bike
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Pre-order Items: Shipping on September 30
Responsive Mid-Drive Support
The Bafang M430 mid-drive delivers up to 120Nm of torque where it matters most: starts, climbs and loaded rides. Combined with a torque sensor, assistance responds to your pedalling effort for a more natural feel and better control across changing terrain.
Range for More Than the Commute
A removable 48V 15Ah battery with LG 21700 cells provides up to 175km of assisted range under suitable conditions. It gives you more flexibility for longer commutes, countryside routes and weekend touring without planning every ride around the next charge.
Comfort Beyond Smooth City Streets
A 100mm lockout air fork and 27.5-inch Kenda trekking tyres help absorb broken tarmac, gravel paths and uneven roads. Adjust the suspension to the route and enjoy a more settled ride when your journey extends beyond well-maintained cycle lanes.
Controlled Braking When Conditions Change
Tektro hydraulic disc brakes with 180mm rotors provide progressive, predictable braking with less hand effort. Combined with reflective tyre strips and integrated K-mark lighting, BK-S3 is designed with visibility and everyday control in mind.
Built Around Real Everyday Use
Fast 1.5–2 hour charging reduces downtime, while the removable battery makes indoor charging easier. A rear rack, Shimano 7-speed drivetrain, adjustable seatpost and central TFT display complete a trekking setup built for commuting, errands and longer weekend rides.
Made for the Road Beyond Routine.
A refined trekking setup combining natural pedal response, long-distance capability and everyday practicality for wherever your week takes you.
Comfortable for the commute, capable enough for longer routes and equipped for the journeys that don't end at the city limits.
Up to 175km. Back Faster.
The 720Wh removable battery provides up to 175km of assisted range under suitable conditions. When it is time to recharge, the 7.5A charger cuts waiting time to approximately 1.5–2 hours—ideal when the bike is used frequently.
Power That Feels Natural
The Bafang M430 mid-drive produces up to 120Nm of torque, while the torque sensor continuously responds to your pedalling effort. The result is assistance that feels progressive rather than abrupt—particularly useful when starting, climbing or carrying extra weight.
Tuned for Uneven Roads
A 100mm air suspension fork can be adjusted to suit rider weight and riding conditions, helping reduce vibration and impact on broken asphalt, gravel and uneven routes. Lockout keeps the front end firmer when suspension movement is not needed.
Braking You Can Modulate
Tektro hydraulic brakes and 180mm rotors provide smooth, progressive braking with less hand effort. That added control becomes especially valuable when carrying luggage, descending or riding on changing road surfaces.
Trekking Means Practical
Longer rides require more than motor performance. A rear rack, puncture-resistant Kenda tyres, integrated lighting, adjustable seatpost and Shimano drivetrain make the BK-S3 practical enough for commuting while remaining ready for weekend touring.
Features and Details
Central TFT Display
The centrally positioned TFT display keeps key riding information easy to read at a glance, helping you check assistance level, speed and ride status without taking focus away from the road.
Air-Adjustable Seatpost
Fine-tune saddle height and riding position more easily for different riders, routes and comfort preferences. A practical upgrade for frequent commuting and longer trekking rides.
Integrated Front Light
The built-in front light keeps the bike visually clean while providing dependable illumination for early starts, evening commutes and low-light riding without needing a separate lamp.
Rear Rack Ready for Daily Use
Carry commuting bags, shopping or light touring gear without relying on a backpack. The rear rack adds useful carrying capacity without turning the BK-S3 into a bulky cargo bike.
Shimano 7-Speed Drivetrain
7 mechanical gears give you useful control over cadence when starting, climbing or riding faster on flatter roads, working alongside the motor rather than leaving everything to electric assistance.
Rear Light
A neatly integrated rear light improves visibility from behind and keeps everyday lighting ready whenever the bike is in use, with no extra accessory setup required.
What's in the package?
Ebike x 1
Manual x 1
NFC Card x 2
Bicycle Pump x 1
Lock x 1
7.5A Charger x 1
Installation Tools x 1
Key x 2
Specifications
Technical Specifications
- Motor Bafang M430 Mid-drive Motor (250W)
- Sensor Torque Sensor
- Battery 48V 15Ah Lithium-ion
- Charger 7.5A Fast Charger (2 Hours Charging Time)
- Display TFT Smart Display
- Maximum Speed 25 km/h
- Max Range 175km
- Climbing Angle 25 Degrees
- Pedal Assist 5-Level PAS
- Transmission Shimano 7-Speed Gear System
- Braking System Tektro Hydraulic Disc Brakes
- Suspension Lockable Front Suspension Fork
- Tires 27.5" x 2.2" Puncture-resistant Pneumatic Tires
- Frame Material Durable Aluminum Alloy
- Net Weight 29.5 kg
- Max Payload 150 kg
- Waterproof Rate IPX5
- Torque 120Nm
FAQ
How quickly does it charge?
The supplied 7.5A charger is specified for approximately 1.5–2 hours of charging under the stated conditions. Actual charging time can vary depending on remaining charge, battery temperature and charging conditions.
Who is the BK-S3 for?
It is recommended for riders approximately 170–190cm tall and is particularly suited to commuters, leisure riders and people who want one e-bike for both everyday transport and longer weekend routes.
Will I really get 175km?
175km is the maximum stated assisted range under favourable conditions. Actual range varies with assistance level, rider and cargo weight, hills, temperature, wind, tyre pressure and riding style.
Which bike is right for you?
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1
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Akku
48V 15Ah (720Wh)
48V 15Ah (720Wh)
36V 13Ah 468Wh
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Reichweite
120-150 km max.175km
120-150 km max.175km
150-180 kilometros
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Motor
Mid drive
Mid drive
Mid drive
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Drehmoment
120 Nm
120Nm
75 Nm
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Pedalunterstützungssensor
Torque sensor
Torque sensor
Torque sensor
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Bremse
Hydraulic brakes
Hydraulic brakes
Hydraulic disc brakes
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Ladezeit
2 hours
2 hours
4-5 hours
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Reifen
27.5*2.2 inch
27.5*2.2 inch
27,5*2,2 pulgadas
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Gewicht
29.5 kg
29.5 kg
27,3 kilos
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Empfohlene Körpergröße
170-190 cm
170-190 cm
165-190cm
