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(Pre-order) Alaska Pro M-520
(Pre-order) Alaska Pro M-520
(Pre-order) Alaska Pro M-520
Alaska Pro M-520 - FREESKY eBike UK
Alaska Pro M-520 - FREESKY eBike UK
(Pre-order) Alaska Pro M-520
(Pre-order) Alaska Pro M-520
(Pre-order) Alaska Pro M-520
(Pre-order) Alaska Pro M-520
(Pre-order) Alaska Pro M-520
(Pre-order) Alaska Pro M-520
(Pre-order) Alaska Pro M-520
(Pre-order) Alaska Pro M-520
(Pre-order) Alaska Pro M-520
Alaska Pro M-520 - FREESKY eBike UK
Alaska Pro M-520 - FREESKY eBike UK
(Pre-order) Alaska Pro M-520
(Pre-order) Alaska Pro M-520
(Pre-order) Alaska Pro M-520
(Pre-order) Alaska Pro M-520
(Pre-order) Alaska Pro M-520
(Pre-order) Alaska Pro M-520
(Pre-order) Alaska Pro M-520
(Pre-order) Alaska Pro M-520
(Pre-order) Alaska Pro M-520
Alaska Pro M-520 - FREESKY eBike UK
Alaska Pro M-520 - FREESKY eBike UK
(Pre-order) Alaska Pro M-520
(Pre-order) Alaska Pro M-520
(Pre-order) Alaska Pro M-520
(Pre-order) Alaska Pro M-520
(Pre-order) Alaska Pro M-520
(Pre-order) Alaska Pro M-520
Peak Power

4OOOW

Battery Capacity

48V 45AH

Range

158–282 KM

Torque

160 N·m

Shimano

7-Speed

Ebike Safety

UL2849 Certified

(Pre-order) Alaska Pro M-520

Dual Batteries, Engineered for Long-Range Rides

£1,599.00 £2,299.00
Early bird offer: Extra £100 OFF with code SE100 — limited time only.

Upgraded with a rear rack and a powerful 45Ah dual battery (18+27Ah), estimated shipping starts May 18, 2026.

Pay over time with 0% interest
Color - Black

Quantity

Find Your Recommended Size

£100 OFF
Early bird offer: Subscribe & get an extra £100 off — use code SE100 at checkout. Become a member >

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(Pre-order) Alaska Pro M-520
(Pre-order) Alaska Pro M-520
(Pre-order) Alaska Pro M-520
(Pre-order) Alaska Pro M-520
Alaska Pro M-520 - FREESKY eBike UK
Alaska Pro M-520 - FREESKY eBike UK
(Pre-order) Alaska Pro M-520
(Pre-order) Alaska Pro M-520
(Pre-order) Alaska Pro M-520
(Pre-order) Alaska Pro M-520
(Pre-order) Alaska Pro M-520
(Pre-order) 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 4OOOW 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 45Ah
Go the Distance with Dual Energy

With dual removable batteries—18Ah on top and 27Ah below—the Alaska M-520 allows you to travel an impressive 98–175 miles (158–282 km) on a single 6–8 hour charge. It’s perfect for long-distance commuters and outdoor enthusiasts who need reliable power for extended rides.

4OOOW High-Performance Peak Motor
Ride Fast, Ride Fearless

The 4OOOW 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 4OOOW 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 45Ah dual battery system delivers an impressive range of 158-282 KM (98-175 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

158–282 KM (98–175 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

158–282 KM (98–175 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

4OOOW Brushless Peak Motor

CHARGER

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

CONTROLLER

48V/30A

BATTERY

48V 45Ah Cell Lithium Battery（18+27Ah）

THROTTLE

Thumb Throttle

SENSOR

Speed Sensor

MOTOR

4OOOW Brushless Peak Motor

CHARGER

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

CONTROLLER

48V/30A

BATTERY

48V 45Ah Cell Lithium Battery（18+27Ah）

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"）

Alsaka M-520

Easy To Assemble

Watch Unboxing Video

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.

Simply fill out the warranty registration form on our website. Once submitted, your eBike will be registered and covered under the warranty.

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
Load More >

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Bike Comparison

Product Compare

Remove All
Product Title Alaska Pro M-520 Eurostar Ultra M-410 Nova B-360 Ranger Air M-540 Warrior Pro M-530
Price £1,599.00  £2,299.00
( 30.45% Off ) 		£1,299.00   £1,299.00  £1,599.00
( 18.76% Off ) 		£1,199.00   £1,599.00  £2,299.00
( 30.45% Off )
Color Black/Blue/Green Black/Gray/Green Red/Blue/Green Black/Blue/Green/Red Black/Blue/Green
Frame Style EMTB EMTB Step-Thru Step-Thru EMTB
Mode Pedal Assist Pedal Assist Pedal Assist Pedal Assist Pedal Assist
Power Peak 4OOOW 3OOOW Peak Peak 1OOOW Peak 35OOW Peak 4OOOW
Battery Capacity 48V 41Ah(18Ah+23Ah) Cell Lithium Battery 48V 25Ah Lithium Battery 48V 30Ah(15Ah+15Ah) SAMSUNG Cell Lithium Battery 48V 25Ah Lithium Battery 48V 30Ah SAMSUNG Cell Lithium Battery
Charging Time 6-8 hours 5-7 hours 6-8 hours 6-8 hours 8-10 hours
Assist Speed 25 KM/H, 15.5 MPH (Limited) 25 KM/H, 15.5 MPH (Limited) 25 KM/H, 15.5 MPH (Limited) 25 KM/H, 15.5 MPH (Limited) 25 KM/H, 15.5 MPH (Limited)
Range 158–282 KM (98–175 Miles) 80–153 KM (50–95 Miles) 120-193 KM (75-120 Miles) 96-152 KM (60-95 Miles) 96–193 KM (60–120 Miles)
Rider Height 168CM (5'6") ~ 203CM (6'8") 160CM (5'3") ~ 196CM (6'5") 163 CM (5'4") ~ 203 CM (6'8") 163 CM (5'4”) ~ 203 CM (6'8”) 165CM (5'5") ~ 191 CM (6'3")
Rear Derailleur SHIMANO 7-Speed SHIMANO 7 Speed SHIMANO 7-Speed SHIMANO 7-Speed SHIMANO 7-Speed
Front Fork Downhill Double Shoulder Suspension Suspension Fork 120 MM Travel Downhill Suspension Downhill Full Suspension Downhill Double Shoulder Suspension Fork 120 MM Travel
Motor 4OOOW Brushless Peak Motor 3OOOW Peak Brushless Motor BAFANG 1OOOW Peak Motor 175OW + 175OW Brushless Peak Motors 2OOOW + 2OOOW Brushless Peak Motors
Sensor Speed Sensor Speed Sensor Torque Sensor Speed Sensor Speed Sensor
Charger 3A Smart Charger (with US Standard & UK Standard Cable) 3A Smart Charger 2A Smart Charger (with US Standard & UK Standard Cable) 3A Smart Charger (with US Standard & UK Standard Cable) 3A Smart Charger (with US Standard & UK Standard Cable)
Controller 48V/30A 48V/30A 48V/30A 48V/22A+22A
Torque 160 N·M 130 N·M 55 N·M 100 N·M*2 120 N·M*2
Suspension Front and Rear Dual Suspension Front and Rear Suspension Front Suspension Front and Rear Suspension Front and Rear Dual Suspension
Display LCD Color Display LCD Color Display LCD Color Display LCD Color Display LCD Color Display
Brakes 180MM 4-piston Hydraulic Brakes 180MM 4-piston Hydraulic Brakes 180MM 4-piston Hydraulic Brakes 180MM 4-piston Hydraulic Brakes 180MM 4-piston Hydraulic Brakes
Tires 26.0" x 4.0" Fat tires 26.0" x 4.0" Fat tires 27.5" x 2.2" 26.0" x 4.0" Fat tires 26.0" x 4.0" Fat tires
Seat Post 30.9*350MM Alloy Seatpost 30.9*300MM Alloy Seatpost 30.9*220MM Alloy Seatpost 30.9*300MM Alloy Seatpost 30.9*220MM Alloy Seatpost
Bike Weight 40.8 KG (90 lbs) 34.9 KG (77 lbs) 34.9KG (77 lbs) 43 KG (95 lbs) 44 KG (97 lbs)
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