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Motor Capacity

1200W

Battery Capacity

48V 41AH

Range

90-160 Miles

Battery Safety

UL2271 Certified

Top Speed

38 MPH

Max Load

300 LBS

Alaska Pro M-520

Dual batteries, ultimate range performance

$1,949.00 $2,649.00

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Color - Blue

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Phone Holder

$19.99

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Order Support

18-Month Warranty

15-Day Price Guarantee

15-Day Return

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Perfect Choice For Adventures

Why Alaska

Step into the wild and dominate any terrain with the Alaska M-520, designed for peak performance and unmatched versatility. Equipped with dual batteries, the Alaska ensures long-lasting power for extended journeys. With its powerful 1200W motor and dual suspension system, it’s the ultimate choice for off-road exploration and outdoor adventures.

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Go Anywhere with Alaska

The Alaska M-520 is engineered to tackle diverse terrains with ease. Whether you're cruising through the city, navigating rugged trails, or enjoying sandy beaches, this e-bike offers unbeatable performance. With dual batteries and a powerful motor, it delivers strength, endurance, and versatility for any adventure, making it perfect for riders who demand more from their e-bike.

Gravel Roads

Sandy Paths

Urban Sidewalks

Gravel Roads

Sandy Paths

Urban Sidewalks

The Upgrade Dual Battery 48V 41Ah

Go the Distance with Dual Energy

With dual removable batteries—18Ah up top and 23Ah below—the Alaska M-520 allows you to travel an impressive 90-160 miles on a single 6-8 hour charge. It’s perfect for long-distance commuters and outdoor enthusiasts who need reliable power for extended rides.

1200W High Performance Motor

Ride Fast, Ride Fearless

The high-speed rear hub motor delivers an impressive 130 N·m of climbing power, reaching speeds of 38 MPH with pedal assist and 20 MPH with throttle. Whether you're carving through snow, gliding over sandy beaches, or tackling rugged mountain trails, the Alaska M-520 offers a thrilling, adventure-ready ride that’s as versatile as you are.

Dual Suspension & Hydraulic Disc Brake

Smooth Rides and Safe Stops

Experience ultimate comfort and safety with the Alaska M-520’s lockable, adjustable front suspension hydraulic downhill fork and rear suspension. Dual hydraulic disc brakes on both the front and rear ensure safe, confident stopping, no matter the terrain or conditions.

More Features

Motor

Delivers powerful performance with 130 N·m of torque, reaching speeds of 38 MPH with pedal assist and 20 MPH via throttle, making any terrain conquerable.

Smart LCD Display

Displays key ride information at a glance, including 5 PAS levels, headlight status, speed, battery life, and mileage for total control.

UL2271 Certified Battery

FREESKY batteries are rigorously tested to meet the UL-2271 safety standard, ensuring unmatched protection against electrical and structural risks. A combined 41Ah battery provides an impressive range of 90-160 miles on pedal assist, ensuring you can travel farther with confidence.

Thumb Throttle

Ergonomically positioned for effortless use—simply press to unleash instant power and speed at your fingertips.

Rear Derailleur

Provides smooth, precise gear shifts for optimal performance, whether you're on flat roads or rugged trails.

Rear Suspension

Effectively absorbs shocks from bumpy roads, ensuring a stable and comfortable ride for longer journeys.

Front Suspension Fork

Minimizes vibration impact on your arms, offering enhanced control and direction even on rough terrains.

4-piston Hydraulic Brakes

Engineered for superior safety and performance, these brakes ensure reliable stopping power, allowing you to ride confidently in any condition.

RIDER REVIEW

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Technical Specification

Download User Manual

Performance

SPEED

38 MPH

RANGE

90-160 Miles

LOAD CAPACITY

300 LBS

PEDAL ASSIST

0~5 level pedal assist

REAR DERAILLEUR

SHIMANO 7 Speed

RECOMMENDED HEIGHTS

5'6"~6'8"

SPEED

38 MPH

RANGE

90-160 Miles

LOAD CAPACITY

300 LBS

PEDAL ASSIST

0~5 level pedal assist

REAR DERAILLEUR

SHIMANO 7 Speed

RECOMMENDED HEIGHTS

5'6"~6'8"

Power System

MOTOR

1200W Brushless Motor

CHARGER

US Standard 3A Smart Charger

CONTROLLER

48V/30A

BATTERY

48V 41Ah Cell Lithium Battery（18+23Ah）

THROTTLE

Thumb Throttle

SENSOR

Speed Sensor

MOTOR

1200W Brushless Motor

CHARGER

US Standard 3A Smart Charger

CONTROLLER

48V/30A

BATTERY

48V 41Ah Cell Lithium Battery（18+23Ah）

THROTTLE

Thumb Throttle

SENSOR

Speed Sensor

Frameset

TIRES

26" x 4" Fat Tires

DISPLAY

LCD Color Display

BRAKES

180MM Hydraulic

CHAIN

KMC

FRONT FORK

Downhill Full Suspension

FRAME

Upgraded 6061 Aluminum

KICKSTAND

Adjustable Heavy Duty Aluminum

SEAT POST

30.9*350MM Alloy Seat Post

E-BIKE WEIGHT

90 LBS

TIRES

26" x 4" Fat Tires

DISPLAY

LCD Color Display

BRAKES

180MM Hydraulic

CHAIN

KMC

FRONT FORK

Downhill Full Suspension

FRAME

Upgraded 6061 Aluminum

KICKSTAND

Adjustable Heavy Duty Aluminum

SEAT POST

30.9*350MM Alloy Seat Post

E-BIKE WEIGHT

90 LBS

Geometry

FRAME SIZE

REFERENCE DATA

Total Length

76.5"

Wheelbase

47.4"

Total Height

44"

Seat Tube Angle

73°

Seat Height Max

40.7"

Seat Height Min

30.7"

Reach

18"

Wheel Diameter

26.7"

Standover Height

20.4

FRAME SIZE

REFERENCE DATA

Total Length

76.5"

Wheelbase

47.4"

Total Height

44"

Seat Tube Angle

73°

Seat Height Max

40.7"

Seat Height Min

30.7"

Reach

18"

Wheel Diameter

26.7"

Standover Height

20.4

FAQ

We accept the following payment methods:

-Debit or credit cards (Visa, MasterCard, AMEX, UnionPay)
-Klarna
-PayPal
-Freesky eBikes gift cards

Klarna is available in the United States and Canada. Meanwhile. Klarna offers two interest-free payment plans: 1. Pay in 4: Pay 25% Now, and Pay Later Every 2 Weeks. 2. Plan pay in 30 days: Shop now and pay in 30 days.

Please note that Klarna has the final say on whether you qualify for interest-free equal installments. Currently It's available in United States and Canada.

US:
About Klarna：https://www.klarna.com/us/what-is-klarna/
Klarna Customer Service：https://www.klarna.com/us/customer-service/

Klarna Privacy Policy：
US： https://docs.klarna.com/klarna-payments/legal-and-privacy/us/
International： https://www.klarna.com/international/privacy-policy

Ensure your shipping address is within the supported delivery areas. We currently ship to:

49 states in the U.S. (excluding Hawaii, Alaska, and Puerto Rico)
10 provinces in Canada (excluding Northwest Territories, Nunavut, and Yukon)
If your address is valid but you're still having trouble:

Check if any items in your cart (e.g., accessories) are out of stock. If so, remove them and try checking out again.

In-stock eBikes: Typically ship within 1-2 business days.
Shipping time to the U.S.: 2-7 business days.
Shipping time to Canada: 3-10 business days.
Accessories: May ship separately from China, and typically take 7-14 days. You will be notified by email with tracking details.

We offer free shipping to the following regions:

49 U.S. states (excluding Hawaii, Alaska, and Puerto Rico)
10 Canadian provinces (excluding Northwest Territories, Nunavut, and Yukon)
We do not ship to PO boxes or APO addresses.

All Freesky eBikes are limited to a maximum speed of 32 km/h (20 mph) by default, which complies with local e-bike regulations. If you wish to exceed this speed, you will need to obtain a license, license plates, and insurance for your eBike. Please check with your local Department of Transportation for more details.

Each Freesky eBike comes with a manufacturer's warranty covering defects for the original owner:

18-month warranty for the motor, battery, and controller
12-month warranty for other parts

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Recommendations

Motor Capacity

Battery Capacity

Range

Battery Safety

Top Speed

Max Load

Alaska Pro M-520

Alaska Pro M-520

Size & Fit

FRAME SIZE

REFERENCE DATA

Why Alaska

Go Anywhere with Alaska

The Upgrade Dual Battery 48V 41Ah

Go the Distance with Dual Energy

1200W High Performance Motor

Ride Fast, Ride Fearless

Dual Suspension & Hydraulic Disc Brake

Smooth Rides and Safe Stops

More Features

RIDER REVIEW

Technical Specification

Performance

Performance

Power System

Power System

Frameset

Frameset

Geometry

Data

FRAME SIZE

REFERENCE DATA

FRAME SIZE

REFERENCE DATA

Alsaka M-520

FAQ

What payment methods does Freesky accept?

Why can’t I use Klarna?

Why can’t I use my shipping address at checkout?

What are the shipping times?

Where do you ship to?

How fast can Freesky eBikes go?

How do I register my eBike warranty?

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