FREESKY Alaska Pro M-520

Two removable batteries, 18Ah and 27Ah, give the FREESKY Alaska Pro M-520 a combined 48V 45Ah (2160 Wh), and FREESKY rates it at 158–282 km on pedal assist. It is a full-suspension fat-tire e-bike for riders who want long days on gravel, sand or snow, driven by a single rear hub motor rated at 4500 W peak.

Highlights

• Two batteries, 2160 Wh: an 18Ah and a 27Ah pack, both removable, rated IPX7 by the brand; a full charge takes 8–10 h.
• Rear hub motor: 4500 W peak and 170 N·m by FREESKY's figures, with cadence-sensor pedal assist and a throttle.
• Full suspension: a 120 mm oil-sprung fork and a 150 mm rear shock on an upgraded 6061 aluminum frame.
• Tires and brakes: 26 x 4.0 in fat tires, stopped by 4-piston hydraulic disc brakes on 180 mm rotors.
• Gears and light: Shimano 7-speed gearing and an 800-lumen LED headlight; top speed is 64 km/h by the brand's figure.
• Weight and load: 40.8 kg, with a 181 kg maximum load.

Who it suits

It suits riders who cover long distances on gravel, sand or snow and have room to store a 40.8 kg bike. Before the first cold ride, read our guide to fat tires in Canadian winters.

Good to know

• Range is the brand's figure; speed, hills, rider weight, tire pressure and cold all change it. How to estimate your range.
• Ships free anywhere in Canada (no P.O. boxes).
• FREESKY's FAQ says its e-bikes ship capped at 32 km/h by default.