Coolbe: Safely charging your e-bike or e-scooter
• Don’t leave your battery unattended while charging, when you're out or while you're asleep
• Don’t cover chargers or battery packs when charging
• Don’t overload sockets or use unsuitable extension chords
• Don’t charge or store batteries in direct sunlight or in areas with temperatures above 45⁰C
• Don’t charge batteries next to combustible materials or hazardous substances
• Always unplug your charger once you have finished charging
• Always make sure to only use the proper proprietary charger
• Always ask a professional when converting your e-bike or e-scooter
• Always check your battery (and charger) for visible damage
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Technical Data
Brand: FAFREES
Model: F20 Master
Main Type: Electric bicycle with thick carbon tires
Tire Size: 20x4.0"
Tire Type: Pneumatic
Rider Recommended Height: 165 - 200 cm
Pedal Distance: 12 cm
Adjustable Seat Height: 88 - 102 cm
Adjustable Handlebar Height: 111 cm
Frame Material:
Carbon Fiber
Maximum Speed: 25 km/h (unlockable)
Maximum Adjustable Speed: 45 km/h
Maximum Range in Assisted Mode: 140 - 160 km
Maximum Range in Full Electric Mode: 100 - 120 km
Maximum Grade Climbing Capacity: 25°
Battery Type: 21700 Lithium-Ion Rated Voltage (V): 48 V Input Voltage (V): 54.6 V Overcurrent Protection Value (A): 35A Under Voltage Protection Value: 39V Battery Capacity (AH): Samsung Battery 48V 22.5Ah
Motor Power: 500W
Motor Position: Rear Drive
Maximum Torque (Nm): 60 Nm
Charger: 48V 3A
Charging Time: 7 hours
Front Fork Type: Spring Suspension with Locking Mechanism
Front Fork Travel: 50 mm
Rear Shock Absorber: Shock Mount
Rear Shock Travel: 15 mm
Transmission: SHIMANO 7S
Braking Type: Hydraulic Disc Brakes
Front and Rear Lights: Yes
Display Type: LCD Display Steering Assist Mode at 6 km/h: Yes
Cruise Control: Yes
Application Control: No
PAS Level: 0-5
Driving Modes: Human/Auxiliary/Own Power
Operating Temperature: -10°C to 40°C
Waterproof Rating: IPX5
展开 Dimensions： 172*111*66 cm
Packaging Dimensions： 140*31*63 cm
Net Weight： 32 kg
Packaging Weight： 44 kg
Battery Weight： 4.6 kg
Load Capacity： 150 kg
FAFREES F20 Master Electric Bicycle: Key Selling Points
Carbon Fiber Frame: Light & Tough
The F20 Master's carbon fiber frame is a game - changer. Weighing only 32 kg, it’s easy to handle, yet built to last. Resistant to daily wear and extreme conditions, this frame offers durability you can rely on for years.
20x4.0" Pneumatic Tires: All - Terrain Dominance
These massive tires aren’t just for show. They provide unbeatable traction on sand, mud, snow, and more. With even weight distribution and excellent shock absorption, you’ll enjoy a stable, smooth ride no matter the surface.
500W Motor & High - Capacity Battery: Power & Range
The 500W rear - drive motor delivers 60 Nm of torque for thrilling rides. Reach 25 km/h standard, or unlock up to 45 km/h for an adrenaline rush. The 48V 22.5Ah Samsung battery offers 160 km in assisted mode and 120 km full electric. Plus, a 7 - hour quick charge gets you back on the road fast.
Advanced Suspension: Comfort Redefined
The front spring suspension with lock and 50 mm travel, paired with a 15 mm rear shock absorber, flattens out bumps. Whether speeding on city streets or tackling rough trails, expect a comfortable, stable journey.
Safety & Control Features
SHIMANO 7S gears shift smoothly, while hydraulic disc brakes stop on a dime. Front and rear lights keep you visible day and night. The LCD display shows key data, and features like low - speed steering assist and cruise control add convenience and safety.
Fit for All & Weather - Ready
With adjustable seat and handlebar heights, it suits riders 165 - 200 cm tall. Its 150 kg load capacity handles cargo easily. And with an IPX5 rating, a little rain won’t stop your ride.
The FAFREES F20 Master isn’t just an e - bike; it’s your ticket to high - performance adventures. Order now and experience the difference!
