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    MSRP
    $2,699
    Where to Buy
    $1

    At

    Category
    Fat, E-Bike
    Weight
    7.6 lbs (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)

    27 mph

    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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