Hardtail heritage. Electric future.
960Wh
BATTERY
28mph
TOP SPEED
75mi
ECO RANGE
UL 2849
CERTIFIED
Torque
SENSOR
or $96/mo with Affirm · 0% APR
Complete Your Ride
Free shipping · ~20 min assembly · UL 2849 Certified · 2-year warranty
960Wh Battery
Biggest in class
28mph Class 3
Pedal assist speed
Up to 75 mi
Eco range
UL 2271 Battery
Certified safe
UL 2849 E-Bike
Full system certified
Torque Sensor
Dropout design
960Wh — Up to 75 mi on a single charge. More than any competitor at this price.
Surface 604 THE QUAD
960Wh
~75 mi
Aventon Ramblas
720Wh
~56 mi
Lectric XTrail
672Wh
~52 mi
Ride1Up Prodigy
504Wh
~39 mi
Rad Power RadRover 6
672Wh
~52 mi
Competitor ranges estimated proportionally from battery capacity. Actual ranges may vary.
| Mode | Range (mi) |
|---|---|
| PAS 1 (Eco) | 50–75mi |
| PAS 2 (Tour) | 34–50mi |
| PAS 3 (Standard) | 25–34mi |
| PAS 4 (Sport) | 19–25mi |
| PAS 5 (Turbo) | 12–19mi |
| Throttle Only | 19–28mi |
Range varies by rider weight, terrain, temperature, tire pressure, and wind. Upper range reflects lighter rider (~130 lbs) on gentle terrain. Lower range reflects heavier rider (~200 lbs) on moderate hills.
Built like a bike. Rides like a bike. Lasts like a bike.
The biggest battery on any hardtail eMTB. Climb farther, ride longer, explore more.
Maxxis Rekon tires, Tektro Dorado brakes, and a geometry built for both trail and commute.
Controller, torque sensor, motor — all available on surface604bikes.com. Fix it yourself in 20 minutes.
1
torque sensor since 2020
3
controller variants
20
min to replace
0
parts on backorder
Designed in Vancouver
Since 2014
3-Year Frame Warranty
All components
Free Shipping
Ready in ~20 min
50,000+ Riders
1,000,000 km logged
Every component is from a brand your mechanic already stocks.
Dropout Torque Sensor
Tektro Dorado Hydraulic Disc Brakes
Shimano Alivio 9-Speed Drivetrain
Real rides. Real riders. From city commutes to coastal trails.
Surface 604 bikes come in two frame sizes. Use your height to find the right fit.
S/M
Riders 5'4" – 5'9"
163 – 175 cm
M/L
Riders 5'9" – 6'3"
175 – 190 cm
Between sizes? Go with S/M if you prefer a more upright position, M/L if you prefer to stretch out.
All Surface 604 bikes feature adjustable stems and ergonomic handlebars for fine-tuning your fit.
Independent reviews from trusted publications.
ElectricBikeReview.com · 2022
Surface 604 Quad Review
“A unique electric fat tire quad that stands out in the market”
Watch the full unboxing and assembly guide. Everything you need is included in the box.
