Surface 604 Sunny Day
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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.
Sunny Day’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 the Sunny Day unmatched torque and speed.
Leave other riders envious as you effortless fly past.
LONG RANGE BATTERY
Offering a high-capacity battery option: 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)
SURFACE 604 SUNNY DAY SPECIFICATIONS
MOTOR
500W (Peaks At 750W) Bafang Geared Hub Brushless Motor
DRIVE MODE
Drop Out Torque Sensing Pedal Assist with a Throttle
TORQUE
65Nm of Torque
THROTTLE
Thumb Push Activated Throttle
CONTROLLER
SURFACE604 Designed 12 MOS 48V 500W 25Ah, Smart Controller
TOP SPEED
20mph (32kmh)*, Comes as Class 2
(Unlocked) 28mph (45kmh), as Class 3
BATTERY
Included: 48V 20Ah / 960Wh
Samsung lithium-ion 21700 cells
BATTERY RANGE
Upto 65mi (105km) with a 48V20Ah Battery
BATTERY CHARGE TIME
3-4 Hours for a Full Charge from Empty
DISPLAY TYPE
SURFACE604 Color LCD Display with USB Jack
Bigger display: 3.5" for 2024
LIGHTS
Pre-wired for front and rear light (purchased separately)
FORK
Rigid Cruiser Front Fork, straight steerer
MOTOR WIRE HARNESS
30Ah, can handle up to 120C current
DERAILLEUR
SHIMANO ALIVIO 9-Speed
CASSETTE
SHIMANO 11-36T Cassette
SHIFT LEVERS
SHIMANO ALIVIO
BRAKES
TEKTRO Auriga E350 Hydraulic Disc Brakes
with Motor Inhibitors and 180mm Rotors
CRANK SET
SAMOX 42T Front Sprocket
ROTORS
180mm Front/Rear x 2.34mm Thick
BOTTOM BRACKET
SAMOX Sealed Bottom Bracket
FRAME TYPE
Straight steerer Headtube, Custom Reinforced Battery Mounts, Internal Cable Routing, Post Mount Brakes
FRAME MATERIAL
6061 Aluminum Alloy
STEM
ZOOM Aluminum
HEAD SET
*
HANDLEBAR
PEDALS
WELLGO Platform, with Die Casting Body
CHAIN
KMC 9-Speed
SEAT POST DIAMETER
30.4mm
SADDLE
Selle Royal "Gipsy" Ergonomic Relaxed Royal Gel Saddle, reduces pressure up to 40% for superior comfort. Resistant to ageing materials.
WHEELS/TIRE
Custom S604 Innova Tires 27.5" x 2.4"
with Reflective Sidewall
RIMS
Aluminum Alloy Double Wall Rim, 27.5”x13Gx36H
FRONT HUBS
Surface604 Aluminum
KICKSTAND
Adjustable Heavy-Duty Aluminum
STANDOVER HEIGHT
Small-Medium: 27” (686mm)
RECOMMENDED RIDER HEIGHT
For Riders: 5’2” - 6’1”
Frame Size: S/M - 17.5”
NET WEIGHT (INCLUDING BATTERY)
26.75KG/59lbs (20AH)
BATTERY WEIGHT
20AH battery 4.65KG/10lbs
WEIGHT CAPACITY
285lbs (130kg)
STANDARD FEATURES
Adjustable Kickstand, Water Bottle Bosses
OPTIONAL UPGRADE FEATURES
NCX Suspension Seat Post, Büchel Shiny 120 Headlight
Rear LED tail light, SR Suntour XCM Suspension fork