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    Recommended
    MSRP
    Where to Buy
    $1

    At

    Category
    Gravel
    3.2
    Frame
    Steel
    Steel
    Wheels
    Aluminum
    Wheel Size
    700c
    Avid Rim
    Dura-Ace, Ultegra
    Drivetrain
    3 × 9
    Brand Site
    Summary
    The Trek 520 is a steel frame gravel bike with high-end components and avid rim brakes.

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    Similar Bikes
    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)

    41 mph

    520

    Highest gear

    (descending)

    Geometry
    Specs
    Frame

    Trek butted Cro-Moly

    Fork

    Cro-Moly Touring

    Headset

    Cane Creek BL, sealed

    Stem

    Bontrager Select, 26.0

    Handlebar

    Bontrager Select, 26.0

    Saddle

    Bontrager Race Luxe, hollow Cro-Moly rails

    Seatpost

    Bontrager Select, offset

    TypeRigid

    Pedals

    Shimano 520, clipless

    Groupset
    Rear Derailleur

    Shimano Deore LX

    Front Derailleur

    Shimano 105 T

    Crank

    Shimano Ultegra 52/42/30

    Shifters

    Shimano Dura-Ace, bar end control

    Cassette

    SRAM 970 11-32, 9 speed

    Brakes

    Avid SD5 w/287 levers

    TypeAvid Rim

    Wheels
    Rims

    Shimano LX hubs; Bontrager Maverick rims

    Tires

    Bontrager Race Lite Hardcase, 700x32c

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