Surface 604 E-Bikes
Surface 604 has 15 e-bike models in the Velo Index database across CA, USA. This page lists the full range with specifications for motor, battery, range, weight and price, sorted for side-by-side comparison. No editorial rankings.
Across the 15 Surface 604 models in the Velo Index database, the median US price is $2,199 and the median claimed range is 75 miles.
All Surface 604 models
The Surface 604 range at a glance
Weights run from 59 lbs on the Big Sky (US) to 93.2 lbs on the Trio (CA). Manufacturer-claimed range figures span 31.07 mi to 99.42 mi. Battery capacities run from 576 Wh to 960 Wh.
The range is weighted toward Step-Over models, 12 of 30. Coverage spans Step-Over, Mountain, Step-Through, Fat Tire, and Folding. 2 folding models are included, with 20 inch wheels.
The Surface 604 range covers 30 models: CA CA$1,899 to CA$3,999, USA $1,499 to $3,499.
24 of 30 variants use hub motors and 6 use mid-drive motors. Stated torque figures run from 65 Nm to 130 Nm. Torque sensing appears on 24 of 30 variants. 26 of 30 variants include a throttle.
Surface 604 at a glance
Surface 604 offers 15 unique e-bike models in the Velo Index database across CA, USA.
- Markets covered
- CA, USA
- Models in index
- 30 variants (15 unique models)
- Prices by region
- CA: CA$1,899 to CA$3,999 · USA: $1,499 to $3,499
- Lightest model
- 59.0 lbs / 26.75 kg
- Highest claimed range
- 99.42 mi / 160 km (manufacturer claim)
Surface 604 specifications overview
Aggregated specifications across 15 unique Surface 604 models (30 variants including regional editions) in the index.
Drivetrain
- Motor type
- Mid-drive: 6 of 30 · Hub-drive: 24 of 30
- Pedal sensing
- Torque sensor: 24 of 30 · Cadence only: 2 of 30
- Throttle
- 26 of 30
- Torque range
- 65 to 130 Nm
Battery & range
- Battery capacity
- 576 to 960 Wh
- Maximum range
- 99.42 mi / 160 km (manufacturer claim)
Components
- Drivetrain
- Chain drive: 30 of 30
- Hydraulic brakes
- all 30 models
Model breakdown by category
30 variants across 6 categories
- Step-Over12 (40%)
- Mountain6 (20%)
- Step-Through4 (13%)
- Fat Tire4 (13%)
- Other4 (13%)
Surface 604 specifications table
One row per unique model, sorted by price ascending (US price where a model is sold in multiple regions). Empty cells indicate the field is not published for that model.
| Model | Price | Motor | Battery (Wh) | Claimed range | Weight | Region | Class |
|---|---|---|---|---|---|---|---|
| Sunny Day (US) | $1,499 | Hub | 576 Wh | 31.07 mi | USA | Class 2 / Class 3 | |
| Sunny Day (CA) | CA$1,899 | Hub | 576 Wh | 50 km | CA | ||
| Twist (US) | $1,899 | Hub | 672 Wh | 68.35 mi | 61.9 lbs | USA | Class 2 / Class 3 |
| Big Sky (US) | $1,899 | Hub | 960 Wh | 93.21 mi | 59.0 lbs | USA | Class 2 / Class 3 |
| Colt (US) | $1,999 | Hub | 960 Wh | 93.21 mi | 61.2 lbs | USA | Class 2 / Class 3 |
| V Rook (US) | $1,999 | Hub | 960 Wh | 93.21 mi | 61.2 lbs | USA | Class 2 / Class 3 |
| Werk (US) | $1,999 | Hub | 960 Wh | 93.21 mi | 61.2 lbs | USA | Class 2 / Class 3 |
| Rook (US) | $1,999 | Hub | 960 Wh | 93.21 mi | 61.2 lbs | USA | Class 2 / Class 3 |
| Shred (US) | $2,199 | Hub | 960 Wh | 74.56 mi | 65.1 lbs | USA | Class 2 / Class 3 |
| Shred XS (US) | $2,199 | Hub | 960 Wh | 74.56 mi | 59.5 lbs | USA | Class 2 / Class 3 |
| THE QUAD (US) | $2,299 | Hub | 960 Wh | 74.56 mi | 65.1 lbs | USA | Class 2 / Class 3 |
| Boar Hunter (US) | $2,399 | Hub | 960 Wh | 65.24 mi | 75.0 lbs | USA | Class 2 / Class 3 |
| Boar Explorer (US) | $2,399 | Hub | 960 Wh | 65.24 mi | 76.0 lbs | USA | Class 2 / Class 3 |
| Twist (CA) | CA$2,499 | Hub | 672 Wh | 110 km | 28.1 kg | CA | |
| Big Sky (CA) | CA$2,499 | Hub | 960 Wh | 150 km | 26.75 kg | CA | |
| Colt Mid Drive (US) | $2,499 | Mid-drive | 960 Wh | 99.42 mi | USA | Class 3 | |
| V Rook Mid Drive (US) | $2,499 | Mid-drive | 960 Wh | 99.42 mi | USA | Class 3 | |
| Colt (CA) | CA$2,599 | Hub | 960 Wh | 150 km | 27.75 kg | CA | |
| V Rook (CA) | CA$2,599 | Hub | 960 Wh | 150 km | 27.75 kg | CA | |
| Werk (CA) | CA$2,599 | Hub | 960 Wh | 150 km | 27.75 kg | CA | |
| Rook (CA) | CA$2,699 | Hub | 960 Wh | 150 km | 27.75 kg | CA | |
| Shred (CA) | CA$3,199 | Hub | 960 Wh | 120 km | 29.55 kg | CA | |
| Shred XS (CA) | CA$3,199 | Hub | 960 Wh | 120 km | 27 kg | CA | |
| THE QUAD (CA) | CA$3,199 | Hub | 960 Wh | 120 km | 29.55 kg | CA | |
| Boar Hunter (CA) | CA$3,199 | Hub | 960 Wh | 105 km | 34 kg | CA | |
| Boar Explorer (CA) | CA$3,199 | Hub | 960 Wh | 105 km | 34.47 kg | CA | |
| Colt Mid Drive (CA) | CA$3,499 | Mid-drive | 960 Wh | 160 km | CA | ||
| V Rook Mid Drive (CA) | CA$3,499 | Mid-drive | 960 Wh | 160 km | CA | ||
| Trio (US) | $3,499 | Mid-drive | 960 Wh | 65.24 mi | 93.2 lbs | USA | Class 2 / Class 3 |
| Trio (CA) | CA$3,999 | Mid-drive | 960 Wh | 105 km | 42.27 kg | CA |
← scroll to compare →
Independent spec data compiled by Velo Index. Updated September 2026.
Range figures are manufacturer claims.
Complete Surface 604 model list
All 15 unique Surface 604 models in the Velo Index database, listed per coverage region with region-local prices.
Surface 604 models available in US
Across the 15 Surface 604 models in the Velo Index US dataset, the median price is $2,199 and the median claimed range is 75 miles.
Sunny Day ($1,499), Big Sky ($1,899), Twist ($1,899), Colt ($1,999), Rook ($1,999), V Rook ($1,999), Werk ($1,999), Shred ($2,199), Shred XS ($2,199), THE QUAD ($2,299), Boar Explorer ($2,399), Boar Hunter ($2,399), Colt Mid Drive ($2,499), V Rook Mid Drive ($2,499), Trio ($3,499).
Surface 604 models available in CA
Across the 15 Surface 604 models in the Velo Index CA dataset, the median price is CA$3,199 and the median claimed range is 120 km.
Sunny Day (CA$1,899), Big Sky (CA$2,499), Twist (CA$2,499), Colt (CA$2,599), V Rook (CA$2,599), Werk (CA$2,599), Rook (CA$2,699), Boar Explorer (CA$3,199), Boar Hunter (CA$3,199), Shred (CA$3,199), Shred XS (CA$3,199), THE QUAD (CA$3,199), Colt Mid Drive (CA$3,499), V Rook Mid Drive (CA$3,499), Trio (CA$3,999).
Surface 604 range: common questions
How many e-bike models does Surface 604 have?
Surface 604 has 30 e-bike models in the Velo Index database across CA, USA.
What is the Surface 604 e-bike price range?
In CA, prices span CA$1,899 to CA$3,999. In USA, prices span $1,499 to $3,499.
What is the lightest Surface 604 e-bike?
The Big Sky (US) is the lightest Surface 604 model in the index at 59 lbs.
Which Surface 604 e-bike has the longest claimed range?
The Colt Mid Drive (US) has the highest manufacturer-claimed range in the index at 99.42 mi. Range claims vary with rider weight, terrain and assist level.
Does Surface 604 make a mid-drive e-bike?
Yes. Colt Mid Drive, V Rook Mid Drive, Trio use a mid-drive motor; the remaining 24 variants use hub motors.
Does Surface 604 make a folding e-bike?
Yes. Twist.
Surface 604 models appear in these collections
US E-Bikes with 80+ Miles of Claimed Range
Explore e-bikes with a manufacturer-stated range of 80 miles or more.
US Torque Sensor E-Bikes Under $2,000
Torque sensor e-bikes under $2,000, sorted by price.
US E-Bikes Rated for 350 lb Riders Under $2,500
US e-bikes with a published 350 lb or higher weight limit, sorted by price.
Brands with overlapping ranges
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