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    RRP
    $2,699
    Where to Buy
    $1

    At

    Category
    Fat, E-Bike
    Weight
    3.5 kg (frame)
    Frame
    Aluminum
    Wheels
    Aluminum
    Wheel Size
    27.5″
    Tektro Hydraulic Disc
    Bafang 500W 80Nm hub-drive
    672Wh
    Alivio
    Drivetrain
    1 × 9
    Brand Site
    Summary
    The Surface 604 Boar Explorer is a 27.5″ rigid fat e-bike with mid-range components.

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    Insights
    Gear Range

    A bike with lower gearing will be easier to ride up steep hills, while a higher top end means it will pedal faster down hills.

    Lowest gear

    (climbing)

    43 km/h

    Boar Explorer

    Highest gear

    (descending)

    Geometry
    Specs
    Fork

    Proprietary design, straight steerer Custom 6061 Aluminum fork

    Bottom Bracket

    SAMOX Sealed Bottom Bracket

    Headset

    SAMOX Tapered with Sealed Bearings 1 1/8" - 1 1/2"

    Stem

    SURFACE604 3D forged alloybarbore 31.8mm, height 45mm (New)

    Handlebar

    PROMAX aluminum, 670mm wide, 6° sweep35mm rise, 31.8mm clamp diameter

    Saddle

    SR Selle Royal Nebula

    Seatpost

    Rigid Aluminum Alloy

    TypeRigid

    Pedals

    WELLGO Platform, with Die Casting Body

    Grips

    Flat Rubber

    Groupset
    Rear Derailleur

    SHIMANO ALIVIO 9-Speed Drivetrain

    Crank

    SAMOX 36T front sprocket, 170mm crank arms

    Shifters

    SHIMANO ALIVIO

    Cassette

    SRAM 9-Speed 11-34T

    Chain

    KMC X10

    Brakes

    TEKTRO AURIGA Hydraulic Disc Brakes, Post Mount180mm rotor with Motor Inhibitors, 180mm Front/Rear x 2.34mm Thick

    TypeTektro Hydraulic Disc

    Wheels
    Rims

    27.5

    Front Hub

    Surface604 Aluminum

    Electric Components
    Motor

    Type: Hub, Output: 500, Details: High Torque 500W (Peaks At 750W) Fat Bike Specific Bafang geared hub motor, 80Nm of Torque, Wire Harness: 30Ah, can handle up to 120C current (upgraded)

    Battery

    Watt Hours: 672 Wh, Details: Included: 48V 14Ah / 672WhSamsung lithium-ion 18X650mm cells

    Display

    SURFACE604 Color LCD Display with USB JackBigger display: 3.5" for 2023

    Accessories
    Lights

    BUCHEL SHINY 120 LED Headlight

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