Bike Comparison
    520 Disc2018 Trek
    Recommended
    MSRP
    $1,359
    Where to Buy
    —
    $1

    At

    Category
    		Gravel
    Weight
    		28.8 lbs
    3.7
    Frame
    		Steel
    Fork
    		Steel
    Wheels
    		Aluminum
    Wheel Size
    		700c
    Brakes
    		Mechanical Disc
    Motor
    Battery
    Groupset
    		Deore, Alivio
    Drivetrain
    		3 × 9
    Brand Site

    trekbikes.com

    Summary
    		The Trek 520 Disc is a steel frame gravel bike with upper mid-range components and mechanical disc brakes.
    Similar Bikes
    Accessories
    Ride Feel

    Based on frame geometry and build specs.

    Rider Position
    relaxedaggressive
    Terrain
    smoothrugged
    520 Disc
    Other Gravel bikes
    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)

    38 mph

    520 Disc

    Highest gear

    (descending)

    Spec Level

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

    Geometry
    Specs
    520 Disc2018 Trek
    Frame

    Trek butted chromoly disc touring, rack & fender mounts

    Fork

    Chromoly touring disc w/lowrider mounts

    Bottom Bracket

    Shimano, external cartridge bearing

    Headset

    1-1/8˝ threadless, sealed cartridge bearings

    Stem

    Bontrager Elite, 31.8mm, 7 degree, w/computer & light mounts

    Handlebar

    Bontrager Race VR-C, 31.8mm

    Saddle

    Bontrager Evoke 1

    Seatpost

    Bontrager SSR, 2-bolt head, 27.2mm, 12mm offset

    Pedals

    Wellgo nylon body w/alloy cage, toe-clip/strap

    Grips

    Bontrager gel cork tape

    Groupset
    Rear Derailleur

    Shimano Deore

    Front Derailleur

    Shimano Alivio

    Crank

    Shimano Trekking M591 48/36/26 w/chainguard

    Shifters

    Shimano Dura-Ace, bar-end type, 9 speed

    Cassette

    Shimano HG50, 11-32, 9 speed

    Chain

    KMC X9

    Brakes

    Hayes CX Expert mechanical disc, Tektro alloy levers

    Wheels
    Rims

    Bontrager Tubeless Ready 36-hole

    Front Hub

    Shimano M475

    Rear Hub

    Shimano M475

    Tires

    Bontrager AW1 Hard-Case, 700x32c

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