Electric fat bike 20” 1200Wh 20×4.5 tyres Tektro hydraulic brakes BK28

Product Description

• Long-range confidence for rougher rides
  The BK28 electric fat bike is built for hills, gravel tracks and longer weekend routes. Its removable 48V 25Ah / 1200Wh battery helps reduce range anxiety, with up to 80–100 km depending on terrain, rider weight, temperature and assistance level.

• A more planted feel on loose or broken ground
  The 20×4.5 fat tyres give extra contact with the ground, helping the bike feel steadier on gravel, dirt paths and rough rural roads. It is a better fit for all-terrain riding than a lightweight city e-bike.

• Less harsh ride, stronger braking control
  Front and rear suspension help smooth out bumps over longer rides. Tektro hydraulic disc brakes provide more controlled stopping feel, especially useful on descents, damp surfaces or when riding a heavier e-bike.

• Smart functions for everyday use
  The app supports lock/unlock, assistance adjustment, trip record, battery monitoring and light control. NFC unlock, Bluetooth, GPS navigation and anti-theft features add convenience for short stops and regular use.

• Important before purchase
  At 47.8 kg net weight, the BK28 is designed for stability, grip and heavy all-terrain use. It is not intended for riders who need to carry their bike upstairs frequently.

Technical features

• Model: BK28
• Type: electric fat bike / all-terrain e-bike
• Tyres: 20×4.5, puncture resistant
• Battery: 48V 25Ah, 1200Wh, removable
• Range: up to 80–100 km depending on conditions
• Charger: 4A, approx. 5–6 h
• Assistance: 5 levels
• Walk assist: 6 km/h
• Brakes: Tektro hydraulic disc brakes
• Suspension: front + rear
• Drivetrain: 7-speed
• Max load: 120 kg
• Net weight: 47.8 kg
• Protection: IP54 splash resistance
• Features: Bluetooth, NFC, app, GPS navigation, front light

Composition and care

• Frame material: to be confirmed before publication
• Battery: 21700 lithium-ion cells
• Brake system: hydraulic disc brakes
• Care advice: check tyre pressure, brake alignment and bolts before riding. Clean with a damp cloth, avoid high-pressure washing and charge the battery in a dry place.