Foldable Step‑Through Frame Fits Anywhere The bike folds quickly at the frame, handle stem and pedals within seconds, easy to store under desks, inside closets or car trunks. The open step‑through frame eliminates awkward leg lifting, enabling effortless mounting and dismounting for daily trips.
Dual‑Side Torque Sensor Delivers Genuine Riding Feel Built‑in dual torque sensor precisely detects your pedaling force and outputs matched power smoothly without abrupt jerky starts. Ensures steady low‑speed control amid city traffic and reliable climbing assistance, just like riding a conventional bike with constant tailwind support.
Large Lockable Removable Battery for 75‑100km Real Range Equipped with a lockable 36V 20Ah (720Wh) 21700 lithium battery, detachable for indoor home or office charging. IPX5 waterproof protection plus 3A fast charging takes 8‑10 hours per full charge, effectively solving range anxiety for weekday commutes and weekend outings.
Dual Suspension & Puncture‑Proof Tires Boost Riding Ease The 40mm front suspension fork plus 15mm rear suspension seatpost absorb bumps, potholes and cobblestone shocks on rough urban roads. The 20×2.5 inch puncture‑resistant air tires prevent flats and provide stable grip on wet pavement for smooth cruising.
Full Complete Factory Fittings Ready to Ride Comes pre‑fitted with Shimano 7‑speed drivetrain, mechanical disc brakes, padded rear rack, full fenders and front & rear LED lights. Added practical 6km/h walk assist mode to help push the bike up slopes; a complimentary accessory gift box is included.
Core Technical Specifications 250W rear hub motor with max 43N·m torque, legal assisted top speed 25km/h, maximum climbing gradient 15°. Net weight 26.5kg, max load capacity 140kg, suitable rider height from 165cm to 198cm, PAS adjustable from 0 to 3 levels.
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:75-100km Max climbing Gradability:15° Battery type:21700 Lithium-ion battery Battery capacity:20Ah/720Wh 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:26.5kg Package weight:34.8kg Battery weight:3.8kg 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)
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