2021 Surface604 Quad E-Mountain Bike

Sale! Save $450

Affordable electric mountain bike. Hard tail, front suspension, ebike with a kick.

Purpose built for top speed 500W 48V electric motor. Feel the surge of quiet, consistent power distribution at higher speeds - vibration-free. The Quad is a eye catching, versatile, go-anywhere electric mountain bike that's just as much at home on the paved street as on more rugged terrain. It's equipped with a Bafang 500W hub motor that is extremely powerful (peaks at 750W) that helps you sustain speeds of up to 32 km/h.

Geared for performance - we paired all that power with an industry-leading 12mosfet 25A controller, so Quad delivers unmatched torque and speed.

This class 3 e-bike can easily be converted to a class 2 e-bike with a less than 20 second adjustment.

WHISPER SMOOTH TORQUE SENSING PEDAL ASSIST

Because an electric bike is only as good as it’s power distribution.

Quad incredibly smooth torque sensor knows how hard you are pedalling down to the microsecond and matches it with a proportionate power.

Custom drop out design delivers whisper smooth torque sensor sensation at any assist level.

In fact, you will swear it’s as so smooth as a mid-drive motor.