The Fafrees FF20 Polar Dual Battery Electric Bike is a folding fat-tyre e-bike with a 48V dual-battery system, 500W rear hub motor and 20×4.0-inch tyres.
With approximately 998Wh total battery capacity, 65Nm of torque, front suspension and Shimano 7-speed gearing, the FF20 Polar is built for extended leisure rides, commuting and mixed terrain where range matters.
Fafrees FF20 Polar Electric Bike Features
- 500W rear hub motor
- 48V 20.8Ah dual battery
- Up to 115 km manufacturer range
- Folding frame
- 20×4.0-inch tyres
FF20 Polar Dual Battery Electric Bike Specifications
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Motor: 48V 500W sustained / 860W peak rear hub motor, 65 Nm
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Battery: 48V 20.8Ah dual-battery system, approx. 998Wh total
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Top speed: 25 km/h
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Range: Approx. 95–115 km
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Brakes: Mechanical disc brakes
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Gears: Shimano 7-speed
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Tyres: 20 × 4.0 in Chaoyang
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Suspension: 40 mm front suspension fork
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Bike weight: 34 kg
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Maximum load: 150 kg
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Recommended rider height: 160–200 cm
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Charging time: Approx. 8 hours
UK road-use note: This configuration exceeds the standard UK EAPC 250W continuous-power limit. Public-road use is subject to applicable vehicle approval, registration, tax, insurance, licensing and motorcycle-helmet requirements.
Range and performance figures are manufacturer estimates. Actual results vary with rider weight, terrain, weather, tyre pressure, load and assistance level.