Surface 604 Quad

POWERFUL 500W MOTOR
Purpose built for top speed 500W 48V electric motor. Feel the surge of quiet, consistent power distribution at higher speeds - vibration-free.

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

Watch out for other riders as you zip pass them.

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’re pedalling down to the microsecond and matches it with aproportionate power.

Gone are the days of simple cadence sensors!

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

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

REDESIGNED 2021 COCKPIT
Now with an extra-large colour LCD display to show all vital information and provide added security.

SURFACE604 Color LCD Display with Micro USB Jack
Bigger display: 3.5" for 2021 vs. 3.2" for 2020.

Set a passcode and the bike won’t start without it, just like your phone.

LONG RANGE BATTERY
Offering two high-capacity battery options:



48V14ah (672wh) 3500mah cell size

Samsung Cells 18650, Made in Korea, USB Plug, capacity indicator button

Range up to 45 Miles (72 Kms), Weight: 7.59 LBS (3.45 KG)



48V20ah (960wh) 5000mah cell size (Same as in Tesla)

Samsung Cells 21700, Made in Korea, USB Plug, capacity indicator button

Range up to 65 Miles (105 Kms), Weight: 10.23 LBS (4.65 KG)

*Proprietary design