Trail-ready. Street-legal. No compromises.
960Wh
BATTERY
28mph
TOP SPEED
75mi
ECO RANGE
UL 2849
CERTIFIED
Torque
SENSOR
or $92/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 SHRED
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.
Up to 75 mi on eco. More battery than any eMTB under $4,000. Ride all day, climb all day, charge overnight.
Components that belong on the trail. 27.5×2.8 Maxxis Rekon tires and Tektro Dorado hydraulic brakes.
Torque sensor pedal assist feels natural on technical terrain. Power when you need it, nothing when you don't.
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.
ElectricBikeReport · 2025
Surface 604 - Shred Review
“Smooth torque sensor, powerful ride”
ElectricBikeReport · 2025
Surface 604 - Shred Review
Watch the full unboxing and assembly guide. Everything you need is included in the box.
