Accessory Kit

Recommendations

Contact Warranty Policy

Home > All > Alaska Pro M-520

Peak Power

3OOOW

Battery Capacity

48V 41AH

Range

90-160 Miles

Torque

160 N·m

Shimano

7-Speed

Ebike Safety

UL2849 Certified

Alaska Pro M-520

Dual Batteries, Engineered for Long-Range Rides

£1,579.00 £2,299.00

Get FREE Cycling Bundle (Value £299)

Pre-sale is now open for Black and Blue.The other color is in stock and ready to ship.Estimated dispatch for pre-sale items: December 20, 2025.

Pay over time with 0% interest

Colour Black Blue Green

Quantity

Find Your Recommended Size

£30

OFF

Subscribe & Get an Extra £30 Off! Become a member >

Black Friday Limited Free Package

Cycling Accessories Bundle(9-Piece Kit)

Free

£250.00

Air Pump

£19.00

Bike Cover

£28.00

Bottle Holder

£19.00

Cycling Glasses

£39.00

Helmet

£39.00

Lock

£19.00

Phone Mount

£19.00

Rear Rack Bag

£29.00

Rearview Mirror

£39.00

Front light

Free

£49.00

Pay With Ease Learn More

Order Support

24-Month Warranty

15-Day Price Guarantee

15-Day Return

Share

Alaska Pro M-520

Size & Fit

FRAME SIZE

REFERENCE DATA

Total Length

194.3 cm（76.5"）

Wheelbase

120.4 cm（47.4"）

Total Height

111.8 cm（44"）

Seat Tube Angle

73°

Seat Height Max

103.4 cm（40.7"）

Seat Height Min

80 cm（30.7"）

Reach

45.7 cm（18"）

Wheel Diameter

67.8 cm（26.7"）

Standover Height

51.8 cm（20.4"）

Perfect Choice For Adventures

Why Alaska

Step into the wild with the Alaska M-520, engineered for peak performance and unmatched versatility. Featuring dual batteries, a 3OOOW peak motor, and a dual suspension system, it delivers long-lasting power and superior handling—perfect for off-road adventures and extended journeys.

View Full Video

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.

3OOOW High-Performance Peak Motor

Ride Fast, Ride Fearless

The 3OOOW High-Performance Peak Motor with a high-speed rear hub delivers an impressive 160 N·m of climbing power. 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 a 3OOOW Peak Motor and 160 N·m of torque, 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, offering exceptional protection against both electrical and structural risks. The 41Ah dual battery system delivers an impressive range of 144-257 KM (90-160 Miles) in pedal assist mode, enabling you to travel longer distances with complete 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

Technical Specification

Download User Manual

Performance

RANGE

90-160 Miles

LOAD CAPACITY

136 KG, 400 LBS

PEDAL ASSIST

0~5 level pedal assist

REAR DERAILLEUR

SHIMANO 7-Speed

RECOMMENDED HEIGHTS

168CM (5'6") ~ 203CM (6'8")

RANGE

90-160 Miles

LOAD CAPACITY

136 KG, 400 LBS

PEDAL ASSIST

0~5 level pedal assist

REAR DERAILLEUR

SHIMANO 7-Speed

RECOMMENDED HEIGHTS

168CM (5'6") ~ 203CM (6'8")

Power System

MOTOR

3OOOW Brushless Peak Motor

CHARGER

3A Smart Charger (with US Standard & UK Standard Cable)

CONTROLLER

48V/30A

BATTERY

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

THROTTLE

Thumb Throttle

SENSOR

Speed Sensor

MOTOR

3OOOW Brushless Peak Motor

CHARGER

3A Smart Charger (with US Standard & UK Standard Cable)

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

40.8 KG (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

40.8 KG (90 lbs)

Geometry

FRAME SIZE

REFERENCE DATA

Total Length

194.3 cm（76.5"）

Wheelbase

120.4 cm（47.4"）

Total Height

111.8 cm（44"）

Seat Tube Angle

73°

Seat Height Max

103.4 cm（40.7"）

Seat Height Min

80 cm（30.7"）

Reach

45.7 cm（18"）

Wheel Diameter

67.8 cm（26.7"）

Standover Height

51.8 cm（20.4"）

FRAME SIZE

REFERENCE DATA

Total Length

194.3 cm（76.5"）

Wheelbase

120.4 cm（47.4"）

Total Height

111.8 cm（44"）

Seat Tube Angle

73°

Seat Height Max

103.4 cm（40.7"）

Seat Height Min

80 cm（30.7"）

Reach

45.7 cm（18"）

Wheel Diameter

67.8 cm（26.7"）

Standover Height

51.8 cm（20.4"）

FAQ

Our e-bike is UL2849 Certified.

It also includes a speed-limit mode specifically designed for UK compliance.
In this mode, the motor output is ≤250W, and assistance cuts off at 15.5 mph (25 km/h), which meets the core requirements for EAPC use on UK public roads.

To learn how UK customers actually ride in compliance mode — and why many of our existing riders trust this setup for their daily commutes — you can read our detailed blog here: UK Road-Legal Riding

We accept the following payment methods:

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

Klarna is available in the United Kingdom.

Klarna is fast, convenient, and allows you to choose your payment method. You can enjoy installments ranging from 4 to 24 months. There are two ways to pay the order for interest-free.

1.Pay in 4: Pay 25% Now, and Pay Later Every 2 Weeks ( For example, a ￡1,000 purchase would need you to pay ￡250 now, and ￡250 every two weeks at interest FREE! )

2.Plan Pay in 30 Days: Shop Now and Pay in 30 Days.
But please note that Klarna has the final say on whether you qualify for interest-free equal installments.

-About Klarna: https://www.klarna.com/uk/about-us/
-Klarna Customer Service: https://www.klarna.com/uk/customer-service/
-Klarna Privacy Policy: https://www.klarna.com/uk/privacy/

Please note that Klarna has the final say on whether you qualify for interest-free equal installments.

1. Shipping Areas
-We offer shipping across most of the United Kingdom. However, due to logistical constraints, we are unable to deliver to Northern Ireland, the Isle of Man, the Isle of Wight, and other offshore locations.
-We DO NOT ship to PO BOXES or APO addresses.
-Delivery is available to areas where FedEx can provide service; however, certain remote addresses may be subject to additional remote area surcharges.

2. Unable to Check Out Even Though Your Address is Within the Shipping Area?
-If you are experiencing checkout issues despite your address being eligible for delivery, please check whether there is an out-of-stock accessory in your cart.
-If so, kindly remove the unavailable item(s) and attempt to complete the checkout again.

-For in-stock ebikes, we'll provide tracking number within 2 business days. A shipping confirmation email will be sent to your email once the order has been shipped. Orders will take 3-7 days to deliver.

-For accessories, may ship separately from China, and typically take 7-14 days. You will be notified by email with tracking details.

Any delivery dates provided by Freesky are estimates.

We offer free shipping to the following regions:

1.We offer shipping across most of the United Kingdom. However, due to logistical constraints, we are unable to deliver to Northern Ireland, the Isle of Man, the Isle of Wight, and other offshore islands.

2.We DO NOT ship to PO BOXES or APO addresses.

3.Delivery is available to areas supported by FedEx. However, certain remote addresses may be subject to additional remote area surcharges.

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

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

Warrior Pro M-530

Alaska Pro M-520

Ranger M-540

Nova B-360

Wild Cat Ultra A-340

Accessory Kit

Recommendations

Peak Power

Battery Capacity

Range

Torque

Shimano

Ebike Safety

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

3OOOW High-Performance Peak 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 certifications does it have? Is it compliant with UK regulations?

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 do I register my eBike warranty?

You May Also Like