Topstone Carbon 3 GRX - 2x

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    4'11" 149
    5'6" 167
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    5'5" 165
    5'9" 175
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    5'8" 172
    5'11" 180
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    5'10" 177
    6'1" 185
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    6'0" 182
    6'4" 193
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    6'3" 190
    6'7" 200

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    Always Game

    Our take on the ultimate all-round gravel bike. Go anywhere, bring everything and then keep on going.

    Model Description

    A jack-of-all-roads with zero compromises. The Topstone 3 GRX 2X is built with Shimano GRX610/820 blended group gearing and KingPin suspension to handle rough roads and smooth out the ride. WTB wheels and tires grip through dirt, gravel, and whatever’s under your treads. It’s the bike that turns any ride into an adventure story worth telling.

    What it's for

    Gravel riding & racing, bikepacking, going hard and long on dirt or pavement

    Highlights

    • Lightweight full carbon frameset with Kingpin rear suspension, Proportional Response size-specific construction, and StashPort downtube storage
    • A combination of Shimano’s 2x12-speed GRX gravel groups – top-end GRX820 mechanical derailleurs, with GRX610 cranks, brakes and shifters, offers a killer performance value
    • Durable, dependable WTB ST i25 rims, with Shimano hubs and WTB Resolute 42c gravel tires
    • Cannondale 3 flared handlebars offer comfortable, gravel-friendly hand positions
    • Cannondale Wheel Sensor delivers hyper-accurate speed, distance and route info, service reminders, and more via the Cannondale App

    FIRST LOOK | Topstone Carbon

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    Always Game

    Smiles for Miles
    Kingpin is our lightweight, go-for-longer rear suspension. Maintenance-free and complexity-free, it gives the Topstone frame legit rear-wheel travel without compromising stiffness for the sprint. Kingpin provides a smoother ride, more traction to push harder, and more give to take on the rough stuff. You’ll hardly know it’s there, but you’ll be very glad you’ve got it.
    Bring It All
    Our all-new StashPort storage system in the downtube is designed to be concealed yet convenient. Paired with the special StashBag, you can bring your essentials along for the ride and know that they’ll be kept safe, whatever you get up to out there. Meanwhile, multiple mounting points on the frame, mean more gear and more adventures.
    Tuned Ride
    A dialed-in ride, just for you. AKA: Proportional Response Construction. Everything from the carbon layup to the geometry on Topstone is individually tuned by frame size. So that the bike – including KingPin suspension – works in harmony to give you the best ride for you and your dimensions.

    Features

    KingPin

    Our innovative gravel rear suspension is light, simple, and effective. A thru-axle pivot in the seat tube allows the rear triangle and seatpost of the bike to flex vertically, delivering up to 30mm of bump-smoothing travel.

    Specs

    Details

    • Platform
      Topstone Carbon
    • Model Name
      Topstone Carbon 3 GRX - 2x
    • Model Code
      C15175U

    Frameset

    • Frame
      Topstone Carbon, Kingpin suspension system, Proportional Response construction, downtube Stashport, internal cable routing, 12x142mm thru-axle, 27.2 dropper post ready, UDH, BSA 68mm threaded BB, flat mount disc, removable fender bridge, multiple gear/bottle mounts
    • Fork
      Topstone Carbon, 1-1/8" to 1.5" steerer, 55mm OutFront offset, flat mount disc, internal routing, 12x100 thru-axle, triple bottle/gear mounts, fender mounts
    • Headset
      Acros IS52/40 ICR

    Drivetrain

    • Rear Derailleur
      Shimano GRX 820, Shadow RD+
    • Front Derailleur
      Shimano GRX 820
    • Shifters
      Shimano GRX 610, 12-speed
    • Chain
      Shimano M7100, 12-speed
    • Crank
      Shimano GRX 610, 46/30
    • Rear Cogs
      Shimano HG710, 11-36, 12-speed
    • Bottom Bracket
      Shimano BSA 68

    Brakes

    • Brakes
      Shimano GRX 610 hydraulic disc, 160/160mm RT70 rotors
    • Brake Levers
      Shimano GRX 610 hydraulic disc

    Wheels

    • Front Hub
      Formula cartridge bearing, 12x100mm centerlock
    • Rear Hub
      Formula cartridge bearing, 12x142mm centerlock
    • Rims
      WTB ST i25 TCS, 28h, tubeless ready
    • Spokes
      Stainless Steel, 14g
    • Tire Size
      37
    • Wheel Size
      700c
    • Tires
      WTB Resolute TCS Light, 700x42c, tubeless ready
    • Front Tire
      WTB Resolute TCS Light, 700x42c, tubeless ready
    • Rear Tire
      WTB Resolute TCS Light, 700x42c, tubeless ready

    Components

    • Handlebar
      Cannondale 3, butted 6061 Alloy, 16 deg flare drop
    • Stem
      Cannondale C1 Conceal, Alloy, 31.8, -6°
    • Grips
      Cannondale KnurlCork, 2.7mm
    • Saddle
      Selle Royal SRX Open
    • Seatpost
      Cannondale 3, 6061 Alloy, 27.2x350mm

    Connectivity

    • Wheel Sensor
      Cannondale Wheel Sensor

    Extra

    • Extra 1
      Large StashBag downtube storage bag, tubeless valve stems

    Please note that, based on component availability and other factors, specifications are subject to change without notice.

    Geometry

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