Skip to content

ENTER OUR NEW E-BIKE GIVEWAY!

Snap Finance - Apply Here
  • Home
  • Bikes
    • Brands
      • AIMA
      • Aventon
      • Emojo
      • Espin
      • Runner-X
      • SERFAS
      • Serial 1
      • Surface 604
      • Troxus
      • Quiet Kat
      • Vanpowers
    • Bike Type
      • Folding
      • Commuting
      • Trikes
      • Fat Tire
      • Full Suspension
      • Mid Drive
      • Step Through
  • Accessories
    • Helmets
    • Hollywood Racks
    • Locks
    • Mirrors
    • Saddles & Suspension Seat Post
  • Service
  • Financing
  • Book Appointment
  • About Us
  • Contact Us
  • Store Opportunities
Log in
    Sierra E-Bike Superstore
    • Home
    • Bikes
      • Brands
        • AIMA
        • Aventon
        • Emojo
        • Espin
        • Runner-X
        • SERFAS
        • Serial 1
        • Surface 604
        • Troxus
        • Quiet Kat
        • Vanpowers
      • Bike Type
        • Folding
        • Commuting
        • Trikes
        • Fat Tire
        • Full Suspension
        • Mid Drive
        • Step Through
    • Accessories
      • Helmets
      • Hollywood Racks
      • Locks
      • Mirrors
      • Saddles & Suspension Seat Post
    • Service
    • Financing
    • Book Appointment
    • About Us
    • Contact Us
    • Store Opportunities
    Log in Cart

    Item added to your cart

    View cart
    Access Denied
    IMPORTANT! If you’re a store owner, please make sure you have Customer accounts enabled in your Store Admin, as you have customer based locks set up with EasyLockdown app. Enable Customer Accounts
    Skip to product information
    1 / of 9

    Surface 604 - TWIST E-bike

    Surface 604 - TWIST E-bike

    Color
    Snap Finance - Apply Now

    MOTOR

    500W (Peaks at 750W) Bafang Geared Rear Hub Brushless Motor

    DRIVE MODE

    Drop Out Torque Sensing Pedal Assist with a Throttle

    TORQUE

    80Nm 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) 25mph (40kmh), as Class

    BATTERY

    Included: 48V 14Ah / 672Wh
    Samsung Lithium-Ion 18650 Cells - Integrated

    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
    Bigger display: 3.5" for 2022

    LIGHTS

    Büchel Headlight, Pre-Wired To Connect Rear Stop Light

    FORK

    Rigid Cruiser Front Fork

    MOTOR WIRE HARNESS

    30Ah, can handle up to 120C current

    DERAILLEUR

    Short Cage SRAM X5 Groupset - 9 Speed

    CASSETTE

    X5 12-36T
    44T Chainring

    SHIFT LEVERS

    SRAM X5 Trigger Shift

    BRAKES

    TEKTRO Auriga Hydraulic Disc Brakes
    Post Mount, with Motor Inhibitors

    CRANK SET

    SAMOX 38T Front Sprocket, 170mm Crank Arms

    ROTORS

    180mm Front/Rear x 2.34mm thick

    FRAME TYPE

    Folding, Low Step Thru Geometry,
    Internal Cable Routing, Post Mount Brakes

    FRAME MATERIAL

    6061 Aluminum Alloy

    STEM

    Folding Stem

    PEDALS

    WELLGO Platform, with Die Casting Body

    CHAIN

    KMC 9-Speed

    SEAT POST DIAMETER

    30.4mm

    WHEELS/TIRE

    CST BIG BOAT 20” X 4.00 Tires, All Purpose

    RIMS

    Aluminum Alloy Double Wall Rim

    FRONT HUBS

    Surface604 Aluminum

    RECOMMENDED RIDER HEIGHT

    For Riders: 5’2” - 6’6”

    NET WEIGHT (INCLUDING BATTERY)

    (Including Battery) 28.1 KG (62 LBS) and (Without Battery) 24.4 KG (53.8 LBS)

    BATTERY WEIGHT

    14AH battery 3.63KG/8.0lbs

    WEIGHT CAPACITY

    285lbs (130kg)

    Share
    View full details
    Surface 604 - TWIST E-bike Surface 604 - TWIST E-bike Surface 604 - TWIST E-bike Surface 604 - TWIST E-bike Surface 604 - TWIST E-bike Surface 604 - TWIST E-bike Surface 604 - TWIST E-bike Surface 604 - TWIST E-bike Surface 604 - TWIST E-bike
    Invalid password
    Enter
    Snap Finance - Apply Here

    Quick links

    • Home
    • Accessories
    • Service
    • Financing
    • About Us
    • Contact Us
    • Privacy Policy
    • Terms of Service

    Subscribe to our emails

    Payment methods
    • American Express
    • Apple Pay
    • Discover
    • Google Pay
    • Mastercard
    • PayPal
    • Shop Pay
    • Visa
    © 2026, Sierra E-Bike Superstore Powered by Shopify
    • Choosing a selection results in a full page refresh.
    • Opens in a new window.