Product Description
Compact Folding Step-Through E-Bike for Apartments & Commutes The F20 Flex is a folding step-through e-bike featuring a three-point folding system (frame, handlebar stem, and pedals) for ultra-compact storage. Ideal for city dwellers, this electric commuter bike easily fits in car trunks, office corners, or small apartments while offering a low step-over height for easy mounting in everyday clothes.
Dual-Side Torque Sensor for Smooth Pedal Assist
Equipped with a dual-side torque sensor, this pedal assist e-bike delivers instant, responsive power that matches your pedaling force. Enjoy smoother starts, better low-speed control in stop-and-go traffic, and a more intuitive ride compared to cadence sensors – perfect for beginners and daily urban routes.
Long-Range Removable Battery with 120km Range
The removable 36V 25Ah lithium battery (900Wh) powers up to 120km on a single charge, making this long range electric bike a reliable partner for weekly commutes. The battery uses durable 21700 cells, features a lock for security, and charges in 8–10 hours with 3A fast charging – easily take it inside to charge.
Dual Suspension & Anti-Puncture Tires for All-Day Comfort
Ride city potholes and rough roads with confidence thanks to dual suspension (40mm travel front fork + 15mm suspension seatpost). The 20×2.5" puncture-resistant tires reduce flat risks while adding grip, giving this electric city bike a smooth, comfortable feel even on longer errands or relaxed rides.
7-Speed Gearing & Commuter-Ready Accessories
Shift effortlessly with 7-speed Shimano gearing to tackle gentle climbs and flats at your own pace. The mechanical disc brakes provide predictable stopping, while included fenders, front & rear lights, a rear rack with cushion, and 6km/h walk assist make this a truly all-in-one electric utility bike.
Specification:
Brand:FAFREES
MODEL:F20 Flex
Type:Folding City Ebike
Tire size:202.5" Air tire
Frame material:Aluminum alloy
Default maximum speed of assisted mode:25km/h
Max range:95-120km
Max climbing Gradability:15°
Battery type:21700 Lithium-ion battery
Battery capacity:25Ah/900Wh
Motor rated power:250W
Motor location:Rear drive
Maximum torque:43N.m
Charger Input voltage:110-220V
Output voltage:42V
Rated current:3A
charging time:8-10H
Fork Type:Shock fork
Type of rear shock:Seat shock tube
Display type:LCD
6km/h walk assist mode:Yes
Cruise control:No
APP control:No
PAS level:0-3
Speed Sensor:Torque Sensor
Transmission:Shimano 7-Speed
Brake type:Mechanical disc brakes
Folding parts:Folding handlebar, frame, pedals
Headlight:Yes
Taillight:Yes
Operating temperature:（-20）℃-40℃
Waterproof grade:IPX5
Net Weight:27.2kg
Package weight:35.5kg
Battery weight:4.7kg
Load capacity:140kg
Unfolded size:16467120cm
Folded size:1084577cm
Package size:8939*75cm
Recommend rider heights:165-198cm
Package contains
1x F20 Flex ebike
1x Charger
1x Owner's manual
1x Gift box (Including 1Inner tube, 2Valve caps, 2Wheel reflectors, 2Brake pads, 1Key chain，1Multifunctional tool, 1*13/15 Wrench)
