IN STOCK
VITESSE MAXIMALE 20MPH (32KM/H) CLASSE 3
JUSQU'À 65 MILLES DE PORTÉE (105 KM)
(PRÊT POUR LA CLASSE 3)
FIND OUT WHAT SIZE FITS YOU
A rider's height is best determined for size with 48V 12AH (17.5" frame) optimal for people 5'2" to 5'7" and 48V 20AH (19.5" Frame) ideal for those 5'8" to 6'6".
SIZE GUIDE
SIZE | FRAME | RIDER'S HEIGHT |
---|---|---|
S/M | 17.5" | 5'2" TO 5'7" |
M/L | 19.5" | 5'8" TO 6'6" |
Weight capacity for both sizes is 285lbs (130kg)
WARRANTY POLICY:
All of our e-bike models come with a three-year frame warranty plus a one-year or 800km (whichever comes first) replacement warranty on major parts. If a part is defective in manufacturing process we will replace it free of charge. All parts can be easily ordered on our website.
RETURN POLICY:
We are so confident in the quality of our e-bikes and know that you will love them. As such, we are proud to offer a 7-day no questions asked money back guarantee on all of our models.
* Only applies to customers who buy their bike directly from the Surface 604 website
IN STOCK
FIND OUT WHAT SIZE FITS YOU
A rider's height is best determined for size with 48V 12AH (17.5" frame) optimal for people 5'2" to 5'7" and 48V 20AH (19.5" Frame) ideal for those 5'8" to 6'6".
SIZE GUIDE
SIZE | FRAME | RIDER'S HEIGHT |
---|---|---|
S/M | 17.5" | 5'2" TO 5'7" |
M/L | 19.5" | 5'8" TO 6'6" |
Weight capacity for both sizes is 285lbs (130kg)
WARRANTY POLICY:
All of our e-bike models come with a three-year frame warranty plus a one-year or 800km (whichever comes first) replacement warranty on major parts. If a part is defective in manufacturing process we will replace it free of charge. All parts can be easily ordered on our website.
RETURN POLICY:
We are so confident in the quality of our e-bikes and know that you will love them. As such, we are proud to offer a 7-day no questions asked money back guarantee on all of our models.
* Only applies to customers who buy their bike directly from the Surface 604 website
Reviews
2024 UPDATES
TORQUE SENSING PEDAL ASSIST
World class torque sensing pedal assist - because an electric bike is only as good as it’s power distribution.
Precision torque sensing performance at 104 cadence pulses per revolution; 1,000 torque samples per second.
Big Sky’s incredibly smooth torque sensor knows how hard you’re pedaling down to the microsecond and matches it with proportionate power.
Custom drop out design delivers whisper smooth assist at any level.
POWERFUL 500W MOTOR
BAFANG 48V 500W electric motor purpose built for speed and power. Enjoy the quiet and consistent power distribution at any speed.
Geared for performance - we paired all that power with an industry-leading 12mosfet 25A controller giving Big Sky unmatched torque and speed.
Leave other riders envious as you effortless fly past.
LONG RANGE BATTERY
Offering a high-capacity battery: 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)
POWERFUL 500W MOTOR
BAFANG 48V 500W electric motor purpose built for speed and power. Enjoy the quiet and consistent power distribution at any speed.
Geared for performance - we paired all that power with an industry-leading 12mosfet 25A controller giving Big Sky unmatched torque and speed.
Leave other riders envious as you effortless fly past.