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Cannondale Topstone Carbon 4

Cannondale Topstone Carbon 4


Nothing is impassable

The best gravel bike for anything from dirt roads to singletrack trails. With the grip and comfort of the Kingpin suspension, nothing is off-limits.

Where it thrives

Gravel and Dirt Roads, Rough Pavement, Trails

What it's built for

Gravel riding, back road exploring, bike packing and off-road adventures


  • Lightweight Topstone Carbon frameset with Kingpin suspension, SmartSense compatible / Integrated Cannondale App connectivity
  • Shimano GRX 400 10-speed shifting & hydraulic disc brakes
  • WTB ST i23 TCS rims
Color: Smoke Black
  • Specs


    • Platform

      Topstone Carbon

    • Model Name

      Topstone Carbon 4

    • Model Code



    • Frame

      Topstone Carbon, Kingpin suspension system, SmartSense compatible, Proportional Response construction, 12x142mm thru-axle, 27.2 dropper post ready, BSA 68mm threaded BB, DirectLine internal cable routing, 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

      Integrated, 1-1/8" - 1.5"


    • Rear Derailleur

      Shimano GRX 400, Shadow RD+

    • Front Derailleur

      Shimano GRX 400, braze-on

    • Shifters

      Shimano GRX 400, 10-speed

    • Chain

      KMC X10, 10-speed

    • Crank

      FSA Gossamer Pro Modular AGX+, 46/30

    • Rear Cogs

      SunRace, 11-36, 10-speed

    • Bottom Bracket

      FSA Mega EXO


    • Brakes

      Shimano GRX 400 hydraulic disc, 160/160mm RT54 rotors

    • Brake Levers

      Shimano GRX 400 hydraulic disc


    • Rims

      WTB ST i23 TCS, 700c, 28h, tubeless ready

    • Spokes

      Stainless Steel, 14g

    • Tire Size


    • Wheel Size


    • Hubs

      (F) Formula cartridge bearing, 12x100mm centerlock / (R) Formula cartridge bearing, 12x142mm centerlock

    • Tires

      WTB Riddler Comp, 700x45c (Europe/UK - Vittoria Terreno Dry 700x40c)

    • Front Tire

      WTB Riddler Comp, 700x45c (Europe/UK - Vittoria Terreno Dry 700x40c)

    • Rear Tire

      WTB Riddler Comp, 700x45c (Europe/UK - Vittoria Terreno Dry 700x40c)


    • Handlebar

      Cannondale 3, butted 6061 Alloy, 16 deg flare drop

    • Stem

      Cannondale 3, 6061 Alloy, 31.8, 7°

    • Grips

      Fizik Solocush Soft, 3mm

    • Saddle

      Fizik Aliante Delta, S-alloy rails

    • Seatpost

      Cannondale 3, 6061 Alloy, 27.2x350mm


    • Wheel Sensor

      Cannondale Wheel Sensor


    • Extra 1

      StrapRack tool/stuff holder

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