Fafrees [Official FF20 Polar Electric Bike 2025, Folding Electric Bike, 20″*4.0″, Removable Battery 48V/26.8Ah, Electric Mountain Bike for Adults, Range 170KM

Fafrees Brand
Model FF20 POLAR
Type Folding Electric Bike with Thick Tires
Blue/Green/Black
Dimensions Unfolded size 179*128*68CM
Folded size 93*64*75CM
Adjustable handlebar height 113-121CM
Adjustable seat height 81-102CM
Package size 95*45*79CM
Tire Size 20*4.0 inch
Distance between floor and pedal 16CM
Recommended Driver Height 160-200CM
Weight Net weight 35 kg
Package weight 43 kg
Battery weight 3.7+3.2 kg
Load capacity: 150 kg.
Material Frame Material Aluminum alloy
Tyre Type Pneumatic tire
Driving Default Maximum Speed 25 KM/H
Maximum range for assisted mode 130-170KM
Maximum range for pure power 100-130KM
Maximum gradability of ascent 25°
Battery Battery Type Lithium Ion Battery
Rated voltage (V) 48 V
Input Voltage (V) 54.6 V
Battery Capacity (AH/Wh) 13.4Ah/643.2Wh*2
Undervoltage protection (V) 40±1V
Overcurrent protection value (A) 20A
Engine Location Rear Drive
Max Torque (N·m) 65N·m
Charger input voltage (V) 220V
Output voltage (V) 54.6V
Rated Current (A) 3A
Charging time 8h each battery
Damping Fork Type Spring Suspension Fork
Fork travel distance 40 mm
Display Screen Type LCD Display
Assistance mode when walking at 6 km/h Yes
Cruise Control Yes
PAS Level 0-5
Brake Type e Mechanical Disc Brakes
Folding Parts Folding Handlebar, Frame
Headlight Yes
Rear Light Yes
Human/Assisted/Accelerator Driving Mode
Operating temperature (-20℃~55℃)
Waterproof grade IPV4

Product Dimensions ‏ : ‎ 179 x 128 x 68 cm; 35 kg
Date First Available ‏ : ‎ 11 May 2025
Manufacturer ‏ : ‎ Fafrees
ASIN ‏ : ‎ B0F8HMBTZ3
Item model number ‏ : ‎ FF20 Polar
Country of origin ‏ : ‎ China
「48V 13.4Ah*2 Dual Batteries】FF20 Polar comes with a tube and frame batteries that can be used separately or together. The dual battery equalizer we use can reduce the current intensity of each battery, increasing battery life and mileage up to 170km in PAS mode.
🎄️【Color LCD Display】High-definition LCD display offers a variety of functions with easy control and presets 5 speed levels. The large screen LCD smart screen displays various data, such as speed, battery, mileage and gait. It has a walking assist mode and a cruise control function to help you drive when you need it.
✅✅【More than Powerful】Polar FF20 fatbike not only meets your needs for long rides and powerful performance, but also comfortable. A 40mm front suspension fork, larger volume rims and a highly resistant wide cushion soften hard potholes and provide comfort for a long time.
🎄️【CHAOYANG 20*4.0 Fat Tires】4.0 fat tire with increased friction can adapt to a variety of driving conditions, including flat terrain as well as snow, sand, mud and gravel roads.
✅✅【Dual Disc Brakes】Powerful disc brakes reign in your speed. Disconnect brake levers with large 160mm F/L rotors can stop the bike more effectively, even on loose terrain.
🎄️【QUICK FOLD DESIGN, EASY CARRY】Creating a low-pass frame design opens paths for those who can’t climb into a high frame. It can be folded up to an ultra-compact size, it is easy to carry, making it ideal for holiday trips and commuting.
✅✅【Travel with Peace of Mind】15W 5W super bright front light and rear brake light accompany your night ride.
PACKAGE CONTENT Fafrees FF20 Polar Ebike*1; Batteries*2, Charger*1; User Manual*1; Gift Set*1(Include 2 Brake Pads, 1 Air Chamber, 2 Valve Caps, 2 Reflectors, 1 Multifunctional Tool, 1 13/15 Wrench and 1 Keychain)
✅✅After receiving the package. will install the head bar, pedals and bell. Finally, conduct an ignition test. Please enter the frame code. It is the identification of the electric bicycle.