Bike Comparison
    MSRP
    $874
    $925
    Where to Buy
    $1

    At

    $1

    At

    Category
    GravelGravel
    2.2
    2.2
    AluminumAluminum
    Fork
    AluminumAluminum
    Wheels
    AluminumAluminum
    Wheel Size
    700c700c
    Brakes
    Mechanical DiscMechanical Disc
    Groupset
    TourneyTourney
    Drivetrain
    3 × 73 × 7
    Brand Site

    tommasobikes.com

    tommasocycling.com

    Summary
    The Tommaso Siena Disc and Tommaso Siena are both aluminum frame gravel bikes with mid-range components and mechanical disc brakes.
    Similar Bikes
    Accessories
    Ride Feel

    Based on frame geometry and build specs.

    Terrain
    smoothrugged
    Siena 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)

    36 mph

    Siena Disc

    36 mph

    Siena

    Highest gear

    (descending)

    Spec Level

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

    Geometry
    Specs
    Frame

    Tommaso 6061 SLA Aluminum Compact Road Frame

    Tommaso 6061 SLA Aluminum Compact Road Frame

    Fork

    Tommaso SST Steel with Aluminum Steer Tube

    Tommaso SST Steel with Aluminum Steer Tube

    Bottom Bracket

    Shimano BB - UN26

    Shimano BB-UN26

    Headset

    1-1/8" Threadless Integrated

    1-1/8" Threadless Integrated

    Stem

    Tommaso Ultralight Sport Series Aluminum

    Tommaso Ultralight Sport Series Aluminum (+/- 7°)

    Handlebar

    Tommaso Ultralight Alloy Compact Flat Top Bar

    Tommaso Ultralight Alloy Compact Flat Top Bar

    Saddle

    Tommaso Saddle

    Tommaso Saddle

    Seatpost

    Tommaso TRS Ultralight Race Series Aluminum 27.2mm

    Tommaso TRS Ultralight Race Series Aluminum 27.2mm

    Pedals

    Composite Flat

    Composite Flat

    Groupset
    Rear Derailleur

    Shimano Tourney (7-spd)

    Shimano Tourney (7-spd)

    Front Derailleur

    Shimano Tourney (3-spd)

    Shimano Tourney (3-spd)

    Crank

    Shimano Tourney Triple 30/39/50T

    Shimano Tourney Triple 30/39/50T

    Shifters

    Shimano Tourney

    Shimano Tourney

    Cassette

    Shimano Tourney 12-28t - 7spd

    Shimano Tourney 12-28t - 7spd

    Chain

    KMC Z-51 (7spd Chain)

    KMC Z-51 (7spd Chain)

    Brakes

    Avid BB5 Disc Calipers

    Avid BB5 Disc Brakes

    Brake Levers

    Shimano Tourney

    Shimano Tourney

    Wheels
    Rims

    Tommaso Corsa TC-20D - 28 Spokes

    Tommaso TC-20D Wheelset - 28 Spokes

    Tires

    CST Tirent All-Terrain 700x40c

    CST Tirent All-Terrain 700x40c

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