Bike Comparison
    MSRP
    $1,250$1,375
    Where to Buy
    $1

    At

    $1,325

    At Cannondale

    $1,375

    At Biloxi Bicycle Works

    See more

    Category
    GravelGravel
    Weight
    22.7 lbs25.1 lbs
    2.5
    3.3
    AluminumAluminum
    Fork
    CarbonCarbon
    Wheels
    AluminumAluminum
    Wheel Size
    700c700c
    Clearance
    45c
    Brakes
    Mechanical DiscMechanical Disc
    Groupset
    Sora, FSAmicroSHIFT Advent X
    Drivetrain
    2 × 91 × 10
    Brand Site

    cannondale.com

    cannondale.com

    Summary
    The Cannondale Topstone Sora is an aluminum frame gravel bike with mid-range components and mechanical disc brakes.
    Similar Bikes
    Accessories
    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

    2021 Topstone Sora

    31 mph

    2023 Topstone 4

    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

    SmartForm C2 Alloy, 142x12 thru-axle, tapered headtube, flat mount disc, StraightShot internal cable routing, multiple gear/bottle mounts, 142x12 thru-axle, Tapered headtube, Flat mount disc, StraightShot internal cable routing, Multiple gear/bottle mounts

    Lightweight SmartForm C2 Alloy, 12x142 thru-axle, tapered headtube, BSA threaded BBm flat mount disc, StraightShot internal cable routing, multiple gear/bottle mounts

    Fork

    Full Carbon, 1-1/8" to 1-1/4" steerer, 55mm OutFront offset, flat mount disc, internal routing, 12x100 thru axle

    Topstone Carbon, 1-1/8" to 1.5" steerer, 55mm OutFront offset, flat mount disc, internal routing, 12x100 thru-axle, fender/gear mounts

    Bottom Bracket

    FSA Cartridge

    Cartridge, square taper

    Headset

    Topstone Si, 25mm Alloy top cap

    Integrated, 1-1/8" - 1.5"

    Stem

    Cannondale 4, 6061 Alloy, 31.8, 6°

    Cannondale 3, 6061 Alloy, 31.8, 7°

    Handlebar

    Cannondale 3, butted 6061 Alloy, 16 deg flare drop

    Cannondale 3, butted 6061 Alloy, 16 deg flare drop

    Saddle

    Cannondale Stage Ergo

    Cannondale Stage CX

    Seatpost

    Cannondale 4, 6061 Alloy, 27.2 x 400mm

    Cannondale 4, 6061 Alloy, 27.2x350mm

    Pedals

    Not included

    Grips

    Cannondale Grip Bar Tape w/Gel, 3.5mm

    Cannondale Bar Tape, 3.5mm

    Groupset
    Rear Derailleur

    Shimano Sora

    microSHIFT Advent X

    Front Derailleur

    Shimano Sora, 31.8 clamp

    Crank

    FSA Tempo Adventure, 46/30

    Prowheel, Charm 40T

    Shifters

    Shimano Sora, 2x9

    microSHIFT Advent X, 10-speed

    Cassette

    Sunrace, 11-34, 9-speed

    microSHIFT, 11-48, 10-speed

    Chain

    KMC Z9, 9-speed

    KMC X10, 10-speed

    Brakes

    Promax Decoder R cable actuated disc, 160/160mm rotors

    Promax Render R mechanical disc, 160/160mm rotors

    Brake Levers

    Shimano Sora

    microSHIFT Advent X

    Wheels
    Rims

    RD 2.0, 28h

    GXD 1.0, 28h

    Spokes

    Stainless steel, 14g

    Stainless Steel, 14g

    Front Hub

    Formula RX-512 12x100

    (F) Formula alloy, 12x100mm / (R) Formula alloy, 12x142mm

    Rear Hub

    Formula RX-142 12x142

    (F) Formula alloy, 12x100mm / (R) Formula alloy, 12x142mm

    Tires

    WTB Riddler Comp, 700 x 37c

    WTB Riddler Comp, 700x37c (Europe/UK - Vittoria Terreno Dry, 700x37c)

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