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Surface604  |  SKU: 23-S604BIGSKY4820

Surface 604 Big Sky 500-Watt Step-Over Cruiser eBike

Available at our Calgary Location
$1,299.00 $3,000.00
Color: grey2

Delivery and Shipping

Transit times depend on your location but ranging anywhere from 1-8 business days. Our processing time depends on the inventory level. We usually ship within 1-3 business days.

32*
KM/H
TOP SPEED
56 - 105
KM
RANGE
285
LBS
CAPACITY

The Surface 604 Big Sky is a stylish, cruiser-style e-bike built for relaxed urban riding and longer tours. Its high-step aluminum frame offers a comfortable upright fit, while the 500-watt (peaks at 750-watts) Bafang hub motor with torque-sensing pedal assist and throttle provides smooth and responsive power.

Available with battery options up to 20 Ah (960 Wh), it delivers an impressive range of up to 105 km per charge. Hydraulic disc brakes, a cushy Selle Royal gel saddle, and reflective 27.5″ Innova tires enhance comfort, safety, and control, making it ideal for effortless cruising.

Video

 

Key Features

  • Motor & Battery: 500 W (peaks at 750 W) Bafang geared hub motor with torque-sensing pedal assist and thumb throttle; battery options include 48 V 12 Ah, 14 Ah, or 20 Ah (960 Wh) Samsung lithium-ion pack
  • Top Speed & Range: Up to ~32 km/h (20 mph); range approximately 56 km (12 Ah), 72 km (14 Ah), or up to 105 km (20 Ah)
  • Braking & Gearing: Tektro Auriga hydraulic disc brakes (180 mm rotors) with motor inhibitors; Shimano Alivio 9-speed drivetrain
  • Comfort & Traction: Innova 27.5″ × 2.4″ tires with reflective sidewalls; cruiser-specific handlebars and a plush Selle Royal "Gipsy" gel saddle
  • Controls & Display: Large Surface 604 color LCD with USB port; torque-sensing pedal assist with throttle on demand; pre-wired for lighting integration
  • Extras for Everyday Ride: 6061 aluminum frame with internal cable routing and reinforced battery mounts; water-bottle bosses; optional fenders and rear rack mounts; high rider capacity (~285 lb)
  • Warranty & Build: Sturdy cruiser design; 1-year comprehensive warranty on parts and electronics, plus 3-year frame coverage

Let's Get Technical

Battery

48V 12Ah / 576Wh, Lithium-ion 18650 cell

Controller

SURFACE604 Designed 12 MOS 48V 500W 25Ah, Smart Controller

Display

SURFACE604 Color LCD Display with USB Jack, Bigger display: 3.5”

Charger

3-4 Hours for a Full Charge from Empty

Throttle

Thumb Push Activated Throttle

Lights

Büchel Shiny 120 Headlight, Rear LED tail light (Option)

Detailed Specs
Motor Details 500W (Peaks At 750W) Bafang Geared Hub Brushless Motor
Brakes TEKTRO Auriga E350 Hydraulic Disc Brakes, with Motor Inhibitors and 180mm Rotors
Throttle Thumb Push Activated Throttle
Battery 48V 12Ah / 576Wh, Lithium-ion 18650 cell
Range Details Up to 35mi (56km) with a 48V12Ah Battery, Up to 45mi (72km) with a 48V14Ah Battery, Up to 65mi (105km) with a 48V20Ah Battery
Pedal Assist Drop Out Torque Sensing Pedal Assist with a Throttle
Lights Büchel Shiny 120 Headlight, Rear LED tail light (Option)
Display SURFACE604 Color LCD Display with USB Jack, Bigger display: 3.5”
Controller SURFACE604 Designed 12 MOS 48V 500W 25Ah, Smart Controller
Charger 3-4 Hours for a Full Charge from Empty
Cables Internal Cable Routing, Post mount brakes
Drive Type Hub Drive
Fork Rigid Front Fork
Rotors 180mm Rotor Front/Rear x 2.34mm Thick
Pedals WELLGO Platform, with Die Casting Bod
Chain KMC 9-Speed
Derailleur SHIMANO ALIVIO 9-Speed
Cassette SHIMANO 11-36T Cassette
Grip PU Leather Wrapped, Full Length 145mm
Crank Set SAMOX 42T Front Sprocket
Seat Selle Royale Gipsy Elastomer Ergonomic Gel Saddle
Rims Aluminum Alloy Double Wall Rim, 27.5”x13Gx36H
Frame 6061 Aluminum Alloy
Tires 27.5” X 2.4” Custom S604 Innova Tires, with Reflective Sidewall
Handlebar Cruiser style, 700mm, 45 degree backsweep, 30mm rise
Sizes M/L - 19”
Weight 25.4KG/56lbs (12AH), 25.6KG/56lbs (14AH), 26.75KG/59lbs (20AH)
Max Capacity Details 285lbs (130kg)
Warranty & Shipping
Warranty

Product warranty depends on the brand that you are buying. Some brands offering substantial warranty periods. For example, Michael Blast, Surface604 will have 1 year warrarnty parts, battery and labour. T4B, SPAN offers 6months parts, battery and labour warrarnty.

We handle all warranty situations from our retail store location. To report warranty issue or simply schedule appointment with our tech please give us a call during our business hours.

Click here to read our return and exchange policy

Shipping

Every eBike and scooter minimum charge of $100 applied on shipping to major centers (like Vancouver, Calgary, Toronto, Montreal, Ottawa etc.) (unless picked up directly from the store). Beyond areas i.e. smaller cities - shipping charges will vary from $100-$500.

Bikes are shipped directly from our Calgary store via UPS, or Canada Post. Tracking number is available as soon as order is shipped. Large products such as electric scooters, anything over 150 LBS is shipped via LTL freight. Tracking is also available.

Transit times depend on your location but ranging anywhere from 1-8 business days. Our processing time depends on the inventory level. We usually ship within 1-3 business days.

Applicable taxes will be charged i.e. BC 12%, AB 5%, SK 5%, MB 5%, ON 13%, QC 5%, NB 14%, NS 14%, NL 14%, PEI 14%.

eBikes Calgary DOES NOT ship to USA and Internationally. If you are from the US and looking to purchase T4B or Michael Blast eBikes please order from michaelblast.com web site.

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Price
Price
$2,999.99
$3,999.00
$3,999.00
$2,999.99
Drive Type
Drive Type
Hub Drive
Mid Drive
Mid Drive
Hub Drive
Battery
Battery
Samsung Lithium Ion 48Volt14.5Ah
Samsung Lithium Ion, 18650, 48V 17.5Ah
Samsung Lithium Ion, 18650, 48V 14.5Ah to 17.4Ah
Samsung Lithium Ion 48Volt14Ah
Throttle
Throttle
twist throttle
thumb throttle
thumb throttle
Twist Throttle

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Surface604

Surface 604 Big Sky 500-Watt Step-Over Cruiser eBike

$1,299.00 $3,000.00

The Surface 604 Big Sky is a stylish, cruiser-style e-bike built for relaxed urban riding and longer tours. Its high-step aluminum frame offers a comfortable upright fit, while the 500-watt (peaks at 750-watts) Bafang hub motor with torque-sensing pedal assist and throttle provides smooth and responsive power.

Available with battery options up to 20 Ah (960 Wh), it delivers an impressive range of up to 105 km per charge. Hydraulic disc brakes, a cushy Selle Royal gel saddle, and reflective 27.5″ Innova tires enhance comfort, safety, and control, making it ideal for effortless cruising.

Video

 

Key Features

Color

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