The Freesky Alaska Pro M-520 is a high-performance fat tire e-bike with a 4000W peak brushless rear hub motor producing 160 Nm of torque. Powered by a dual-battery system totaling 48V 45Ah (2160Wh) — an 18Ah and 27Ah removable pack — it reaches 40 mph via pedal assist and 20 mph on throttle with a range of 98-175 miles. Features an upgraded 6061 aluminum frame, full downhill suspension with lockable and adjustable front fork, 180mm 4-piston hydraulic brakes, Shimano 7-speed drivetrain, and 26x4" fat tires. Includes LCD color display, rear rack, and 800-lumen LED headlight. UL2849 certified. Max payload 400 lbs.
In brief: Fat Tire. 48V 45Ah battery. Unclassified / Off-Road. Up to 64 km/h. Aluminum frame. From $1849.
Where to Find
Prices tracked across 1 sellerSpecifications
Classification
- E-Bike Class
- Unclassified / Off-Road
- Bike Type
- Fat Tire
Motor
- Motor Position
- Rear Hub
- Peak Wattage
- 4000W
- Torque
- 160.00 Nm
- Top Assist Speed
- 64 km/h
Battery
- Voltage
- 48.0V
- Capacity
- 45Ah
- Energy
- 2160Wh
- Chemistry
- Li-ion
- Estimated Range
- 158 km – 282 km
- Charge Time
- 7.0 hrs
- Removable
- Yes
Frame & Build
- Frame Material
- Aluminum
- Frame Style
- High Step
- Wheel Size
- 26" x 4" (Fat)
- Folding
- No
Drivetrain & Brakes
- Gears
- 7-speed
- Drivetrain
- Derailleur
- PAS Levels
- 5
- PAS Sensor
- Cadence
- Throttle
- Yes
- Brakes
- Hydraulic Disc
Features
- Max Payload
- 181 kg
- Suspension
- Full Suspension
- Integrated Lights
- Yes
- UL Certified
- Yes
- Color
- Black, Blue, Green
Physical
- Weight
- 48.99 kg
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