Bike Comparison
    DRT 4.1 Fat-Tire2020 Co-op
    Recommended
    MSRP
    $1,299
    Where to Buy
    —
    $1

    At

    Category
    		Fat
    Weight
    		39.0 lbs
    3.8
    Frame
    		Aluminum
    Fork
    		Aluminum
    Wheels
    		Aluminum
    Wheel Size
    		26″
    Brakes
    		Hydraulic Disc
    Motor
    Battery
    Groupset
    		SX Eagle, X1
    Drivetrain
    		1 × 12
    Brand Site

    rei.com

    Summary
    		The Co-op DRT 4.1 Fat-Tire is a 26″ aluminum frame rigid fat bike with high-end components.
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    Spec Level

    Based on build material and quality level of the frame, fork, wheelset, groupset, suspension system, and more.

    Geometry
    Specs
    DRT 4.1 Fat-Tire2020 Co-op
    Frame

    Co-op Cycles 6061 aluminum

    BB Standard: BSA, 100mm, Threaded

    Fork

    6061 aluminum

    Bottom Bracket

    SRAM DUB English BSA 100mm fat

    Headset

    Internal headset

    Stem

    Co-op Cycles 6061 aluminum

    Handlebar

    Co-op Cycles alloy butted aluminum riser

    Saddle

    WTB Pure Sport

    Seatpost

    Co-op Cycles 6061 aluminum

    Pedals

    Not included

    Groupset
    Rear Derailleur

    SRAM SX Eagle 12-speed

    Crank

    SRAM X1 1000 Eagle™ DUB fat 5

    Shifters

    SRAM SX Eagle 12-speed

    Cassette

    SRAM Eagle, 11-50t, 12-speed

    Chain

    SRAM SX Eagle

    Brakes

    Shimano Acera MT-400 hydraulic disc Hydraulic Disc Brake

    Brake Levers

    Shimano

    Wheels
    Rims

    26" aluminum

    Front Hub

    15mm thru axle

    Rear Hub

    12mm thru axle

    Tires

    Innova 26 x 4.8 in.; 60 TPI

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