Bike Comparison
    Marlin 72020 Trek
    Recommended
    MSRP
    $799
    Where to Buy
    —
    $1

    At

    Category
    		Crosscountry
    Weight
    		31.0 lbs
    3.2
    Frame
    		Aluminum
    Fork
    		RockShox 30 Silver TK
    Wheels
    		Aluminum
    Wheel Size
    		27.5″ / 29″
    Brakes
    		Hydraulic Disc
    Motor
    Battery
    Groupset
    		Acera, Altus
    Drivetrain
    		2 × 9
    Suspension
    		Hardtail
    Front Travel
    		100mm
    Brand Site

    trekbikes.com

    Summary
    		The Trek Marlin 7 is a 27.5″ / 29″ aluminum frame hardtail crosscountry bike with modest components.
    Similar Bikes
    Accessories
    Ride Feel

    Based on frame geometry and build specs.

    Terrain
    easyextreme
    Handling
    nimblestable
    Marlin 7
    Other Crosscountry 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)

    28 mph

    Marlin 7

    Highest gear

    (descending)

    Spec Level

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

    Geometry
    Specs
    Marlin 72020 Trek
    Frame

    Alpha Silver Aluminum, internal routing, chainstay disc brake mount, rack and kickstand mount, 135x5mm QR

    BB Standard: BSA, 73mm, Threaded

    Tire Clearance: 2.2"

    Colors: Emerald Iris; Viper Red

    Fork

    RockShox XC 30, coil spring, preload, TurnKey lockout, 46mm offset for 29" wheel, 100mm QR, 100mm travel

    Bottom Bracket

    VP BC73, 73mm, threaded cartridge

    Headset

    Semi-integrated, 1-1/8"

    Stem

    Bontrager alloy, 31.8mm, Blendr compatible, 7 degree

    Handlebar

    Bontrager alloy, 31.8mm, 5mm rise

    Saddle

    Bontrager Arvada, steel rails, 138mm width

    Seatpost

    Bontrager alloy, 31.6mm, 12mm offset

    Pedals

    VP-536 nylon platform

    Grips

    Bontrager XR Trail Comp, nylon lock-on

    Groupset
    Rear Derailleur

    Shimano Acera M3000, Shadow design, long cage

    Front Derailleur

    Shimano Altus M2020, 34.9mm clamp, top swing, dual pull

    Crank

    Shimano MT101, 36/22

    Shifters

    Shimano Altus M2010, 9 speed

    Cassette

    Shimano HG200, 11-36, 9 speed

    Chain

    KMC X9, 9 speed

    Brakes

    Shimano MT200 hydraulic disc

    Wheels
    Rims

    Bontrager Connection, double-wall, 32-hole, 20mm width, presta valve

    Front Hub

    Formula DC-20, alloy, 6-bolt, 5x100mm QR

    Rear Hub

    Formula DC-22, alloy, 6-bolt, Shimano 8/9/10 freehub, 135x5mm QR

    Tires

    Bontrager XR2 Comp, wire bead, 30 tpi, 29x2.20"

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