Surface 604 500W Quad Off-Road Electric Bike

Surface 604SKU: EB-2021QUAD-SLV-SM-14AH

FREE SHIPPING to Continental US
FREE Poplock bicycle lock ($84.95 value)

Size: Small/Medium
Battery: 48V/14AH
Sale price$2,699.99

Motor Size:

500W Bafang Brushless


48V Samsung Lithium Ion

Drive Mode:

Class II: Thumb Throttle Pedal Assist

Frame Type:

6061 Alluminum Alloy

Wheel Size:


Motor Position:

Rear Hub

Financing Available

Pay in 4 interest-free payments.

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Premium Warranty

Every bike comes backed by a warranty against manufacturing defects

The Surface 604 500W Quad Off-Road electric bike offers an entirely new level of charm and performance with the 500W 48V electric motor. With a newly designed cockpit and upgraded security, which requires a passcode to run the bike, you are promised the safety of the new age bike. With the SRAM X5 9-speed drivetrain, you achieve a rapid shifting performance.

Redesigned Cockpit

The bike has a redesigned cockpit, which has an extra-large LCD to provide access to vital information. The LCD comes with a micro USB jack, so you keep your mobile charged on the trip. You can set a passcode without which the bike won’t start without it, ensuring added security.

Plus Size Tires

The bike is an all-terrain rider as it is equipped with Maxxis Rekon + Skinwall 27.5’’ X 2.8’’ plus-size tires that have an EXO casing. The tires have been designed to tackle the most challenging conditions on the road. Due to the larger contact patch you achieve, you achieve perfect grip to ride through the rough patches.

Go off-roading with ease on the Surface 604 500W Quad electric bike. Traverse any terrain with the powerful motor, extra strong frame, and large tires.

Torque-Sensing Pedal Assist

The bike is equipped with a whisper smooth torque-sensing pedal assist, which analyzes the force you apply to the pedals and matches it with an appropriate amount of power.


MOTOR: eMTB Specific 500W (Peaks At 750W) Bafang Geared Hub Brushless Motor
CONTROLLER: SURFACE604 Designed 12 MOS 48V 500W 25Ah, Smart
BATTERY: Included: 48V 14Ah / 672Wh Samsung lithium-ion 18650 cells
BATTERY RANGE: Up to 45mi (72km) with a 48V14Ah Battery
BATTERY CHARGE TIME: 3-4 Hours for a Full Charge from Empty
DISPLAY TYPE: SURFACE604 Color LCD Display with USB Jack
DERAILLEUR: SRAM X5 9-Speed 1-Piece forged CNC with 2 sealed bearings
BRAKES: TEKTRO Dorado eMTB Specific Hydraulic Disc, Quad Piston, 180mm Rotor with Motor Inhibitors
FRAME TYPE: Tapered Headtube, Custom Reinforced Battery Mounts,
Internal Cable Routing, Post Mount Brakes
FRAME MATERIAL: 6061 Aluminum Alloy
WHEELS/TIRES: Maxxis Rekon+ 27.5” x 2.8” Skinwall tires (3C, Exo casing tech)
RIMS: Aluminum Alloy Double Wall Rim, 27.5″x13Gx36H
RECOMMENDED RIDER HEIGHT: Frame Sizes: S/M - 17.5", M/L - 19.5"
For Riders: S/M 5’2”-5’7”, M/L 5’8” - 6’6”
285lbs (130kg)
OTHER: Adjustable Kickstand, Water Bottle Bosses Matching Accents Throughout I.E. Seat, Grips, Tires, Gold Chain, Pedals

The bike withdraws power from 48V 14Ah/672Wh Samsung Lithium-Ion 18650 Cells. The bike uses a 500W 48V electric motor, which distributes power consistently. With the bike’s 12mosfet 25A controller, the bike achieves unmatched speed and torque. If you are expecting a lot more from the battery, you can also get the upgrading option to 48V20Ah. Some of the bike’s components like the selle royale ergonomic gel saddle, powerful Büchel LED headlight, tektro dorado hydraulic quad piston disc brakes give you a safe riding experience under all conditions.

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