FREESKY Ranger Air M-540: dual-motor step-through electric bike
Looking for a powerful fat-tyre electric bike that is easier to get on and off? The FREESKY Ranger Air M-540 combines a low step-through frame with dual-motor traction, full suspension and a removable 48V 25Ah battery. It is built for confident riding across varied terrain on suitable private land.
Why choose the Ranger Air?
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Switchable dual-motor drive: Choose rear-wheel drive or both hub motors to suit the ground beneath you. FREESKY quotes up to 4,000W combined peak output and 210Nm combined torque in its high-output configuration.
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Long-range removable battery: The 48V 25Ah battery has a manufacturer-estimated range of 60–95 miles (96–152km) in single-motor use, or 40–60 miles (64–96km) using both motors. Actual range depends on terrain, rider and load, temperature, speed and assist level.
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Full-suspension comfort: A 120mm oil-sprung front fork and 180mm rear coil shock help smooth rough surfaces, while 26 x 4-inch fat tyres add grip and stability.
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Control on demanding terrain: Four-piston hydraulic disc brakes with 180mm rotors, a Shimano 7-speed drivetrain, cadence-sensing pedal assist and a colour LCD display.
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Practical step-through design: The low frame makes mounting simpler, with a rear rack and front and rear mudguards included by FREESKY.
Key specifications
- Motor: front and rear hub motors, up to 2,000W peak each (manufacturer claim)
- Battery: removable 48V 25Ah lithium battery; 3A charger
- Tyres: 26 x 4-inch fat tyres
- Suspension: 120mm front fork and 180mm rear coil shock
- Brakes: four-piston hydraulic discs, 180mm rotors
- Gears: Shimano 7-speed; bike weight approximately 43kg
UK riding information
UK riding notice — private land only: The high-power configuration described here is not a UK road-legal electrically assisted pedal cycle (EAPC). It is intended for off-road riding on private land that is not open to the public, with the landowner’s permission. As supplied, do not ride it on public roads, pavements, cycle lanes or cycle tracks.