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    Recommended
    RRP
    Where to Buy
    Category
    Race
    3,2
    Frame
    Aluminum
    Carbon
    Wheels
    Aluminum
    Wheel Size
    700c
    Shimano Tiagra Rim
    105, Tiagra
    Drivetrain
    2 × 9
    Brand Site
    Summary
    The Trek 2.1 is an aluminum frame race bike with mid-range components and shimano tiagra rim brakes.

    Ask 99 Spokes

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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)

    63 km/h

    2.1

    Highest gear

    (descending)

    Geometry
    Specs
    Frame

    Alpha Black Aluminum w/TCT Carbon stays

    Fork

    Bontrager Race, carbon; SpeedTrap compatible

    Headset

    Aheadset w/semi-cartridge bearings, integrated, sealed, alloy

    Stem

    Bontrager Select, 7 degree, 31.8mm

    Handlebar

    Bontrager Select VR, 31.8mm

    Saddle

    Bontrager Race Basic

    Seatpost

    Bontrager Carbon

    TypeRigid

    Pedals

    Nylon body w/alloy cage; clips and straps

    Groupset
    Rear Derailleur

    Shimano 105

    Front Derailleur

    Shimano Tiagra

    Crank

    Bontrager Select 50/34 or 50/39/30

    Shifters

    Shimano Tiagra STI, 9 speed

    Cassette

    SRAM PG950 11-26 or 12-26 (triple), 9 speed

    Brakes

    Alloy dual pivot w/Shimano Tiagra STI levers

    TypeShimano Tiagra Rim

    Wheels
    Rims

    Bontrager SSR (43cm: Alloy hubs w/650c Alex rims)

    Tires

    Bontrager Race Lite, 700x23c (43cm: 650x25c)

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