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    MSRP
    Where to Buy
    $1

    At

    Category
    Downhill
    Frame
    Aluminum
    Wheels
    Aluminum
    Wheel Size
    26″
    Avid Hydraulic Disc
    XT
    Drivetrain
    2 × 10
    Suspension
    Full
    Front Travel
    170mm
    Rear Travel
    170mm
    Brand Site
    Summary
    The Trek Scratch Air 9 is a 26″ aluminum frame full suspension downhill bike with high-end 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)

    25 mph

    Scratch Air 9

    Highest gear

    (descending)

    Geometry
    Specs
    Frame

    Alpha Red Aluminum w/Aluminum Armor, ABP, Full Floater, alloy EVO Link, E2 tapered head tube, oversized pivot bearings, ISCG03 mounts, 142x12mm or 135x12mm rear axle adaptors, replaceable derailleur hanger, adjustable geometry, 170mm travel

    Headset

    Cane Creek Frustum SE Light Edition, E2

    Stem

    Bontrager Rhythm, 31.8mm

    Handlebar

    Bontrager Rhythm Pro, 31.8mm, 50mm rise, 9 degree sweep

    Saddle

    Bontrager Evoke 4, titanium rails

    Seatpost

    Crank Brothers Joplin 4R, 31.6mm

    TypeRigid

    Pedals

    n/a

    Groupset
    Rear Derailleur

    Shimano Deore XT

    Front Derailleur

    Shimano Deore XT, MRP LRP

    Crank

    Race Face Atlas, 36/24 w/bash guard

    Shifters

    Shimano Deore XT, 10 speed

    Cassette

    Shimano M77110 11-36, 10 speed

    Brakes

    Avid Elixir CR hydraulic disc brakes

    TypeAvid Hydraulic Disc

    Wheels
    Rims

    DT Swiss E 2000, 32 hole, 20mm front hub, 142x12mm rear hub; tubeless compatible

    Tires

    Bontrager XR4 Expert, 26x2.35"

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