Bike Comparison

The Cannondale Topstone Carbon Ultegra RX is a carbon frame gravel bike with high-end components and hydraulic disc brakes.

    2021 Cannondale Topstone Carbon Ultegra RX
    MSRP$4,200
    Where to Buy
    $1

    At

    CategoryGravel
    Weight18.5 lbs
    FrameCarbon
    ForkCarbon
    WheelsAluminum
    Wheel Size700c
    BrakesHydraulic Disc
    GroupsetUltegra
    
    Drivetrain2 × 11
    SeatpostRigid
    Brand Sitecannondale.com

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    Spec Level

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

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    Topstone Carbon Ultegra RX

    Gear Range

    Cannondale Topstone Carbon Ultegra RX

    36 mph

    Learn More


    Geometry

    Specs
    Frame

    All-New, BallisTec Carbon, Kingpin suspension system, Proportional Response size-specific construction, Directline internal cable routing, BB30-83 Ai, 142x12 Speed Release thru-axle, flat-mount disc, removable fender bridge, multiple gear/bottle mounts, dropper post compatible, 142x12 thru-axle, Tapered headtube, Flat mount disc, StraightShot internal cable routing, Multiple gear/bottle mounts

    Fork

    All-New, BallisTec Carbon, 55mm OutFront offset, SAVE, 1-1/8" to 1.5" steerer, integrated crown race, Directline internal routing, 12x100mm Speed Release thru-axle, flat mount disc, gear/rack/fender mounts

    Bottom Bracket

    Cannondale Alloy BB30

    Headset

    Integrated, 1.5" lower to 1-1/8" upper w/ reducer, 25mm Alloy top cap

    Stem

    Cannondale 2, 6061 alloy, 31.8, 6°

    Handlebar

    Cannondale 3, butted 6061 alloy, 16 deg flare drop

    Saddle

    Fabric Scoop Radius Sport, steel rails

    Seatpost

    SAVE Carbon, 27.2 x 350mm (44-56), 400mm (58-63)

    Grips

    Cannondale Grip Bar Tape w/Gel, 3.5mm

    Groupset
    Rear Derailleur

    Shimano Ultegra RX

    Front Derailleur

    Shimano Ultegra, braze-on

    Crank

    HollowGram, BB30a w/ OPI SpideRing, 46/30

    Shifters

    Shimano Ultegra hydro disc, 2x11

    Cassette

    Shimano Ultegra, 11-34, 11-speed

    Chain

    Shimano HG601 11-speed

    Brakes

    Shimano Ultegra hydro disc, 160/160mm RT54 rotors

    Brake Levers

    Shimano Ultegra hydro disc

    Wheels
    Rims

    HollowGram 22, 22mm deep, 25mm ID, tubeless ready

    Spokes

    Stainless steel, 14g

    Front Hub

    HollowGram Sealed Bearing, straight pull, 12x100

    Rear Hub

    HollowGram 142x12

    Tires

    WTB Riddler TCS Light, 700 x 37c, tubeless ready