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  • Surface 604 Surface 604 Sunny Day
  • Surface 604 Surface 604 Sunny Day
  • Surface 604 Surface 604 Sunny Day
  • Surface 604 Surface 604 Sunny Day

Surface 604 Sunny Day

Excl. tax

The Sunny Day is fully loaded with every feature needed to make riding effortless.

More sizes are available.

The rating of this product is 0 out of 5

In stock (2)

Also available for in store purchase
2028 S Coast Hwy, Oceanside, CA 92054

The LOW-STEP Commuter - SUNNY DAY 2023 is similar to Rook in every way except for the fresh new look!

It comes equipped with a 500W hub motor that is extremely powerful (peaks at 750W). With a torque sensor and throttle on demand, the Sunny Day is great for those that could benefit from an extra boost to make it up the hill.

Our high capacity 48V12Ah STOCK or (Samsung lithium-ion battery 48V12Ah and 48V20Ah - upgrades) provides maximum range, as the Sunny Day can handle heavy loads and travel up to 50 miles on a single charge.

As an added bonus, the battery also features a USB plug for charging mobile devices on the go.

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) 30mph (48kmh), as Class 3

BATTERY: Included: 48V 12Ah / 576Wh Lithium-ion 18650 cells

  • Upgrade option: 48V 14Ah / 672Wh Samsung lithium-ion 18650 cells
  • Upgrade option: 48V 20Ah / 960Wh Samsung lithium-ion 21700 cells


  • Up to 35mi (56km) with a 48V12Ah Battery
  • Up to 45mi (72km) with a 48V14Ah Battery
  • Up to 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 2022

LIGHTS: Pre-wired for front and rear lights (purchased separately)

FORK: Rigid Cruiser Front Fork, straight steerer

MOTOR WIRE HARNESS: 30Ah, can handle up to 120C current




BRAKES: TEKTRO Auriga E350 Hydraulic Disc Brakes with Motor Inhibitors and 180mm Rotors

CRANKSET: 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

HANDLEBAR: Cruiser style, 700mm, 45-degree backsweep, 30mm rise

PEDALS: WELLGO Platform, with Die Casting Body

CHAIN: KMC 9-Speed


SADDLE: Selle Royal Gipsy Elastomer Ergonomic Gel Saddle

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)


  • For Riders: 5’2” - 6’1”
  • Frame Sizes: S/M - 17.5”


  • 25.4KG/56lbs (12AH)
  • 25.6KG/56lbs (14AH)
  • 26.75KG/59lbs (20AH)


  • 12AH battery 3.45KG/7.5lbs
  • 14AH battery 3.63KG/8.0lbsv
  • 20AH battery 4.65KG/10lbs

WEIGHT CAPACITY: 285lbs (130kg)

STANDARD FEATURES: Adjustable Kickstand, Water Bottle Bosses

OPTIONAL UPGRADE FEATURES: 18650 Samsung Cells 48V 14Ah lithium-ion battery OR 21700 Samsung Cells 48V20Ah Battery, NCX Suspension Seat Post, Büchel Shiny 120 Headlight, Rear LED tail light, SR Suntour XCM Suspension fork

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