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Cannondale Topstone Carbon 3 GRX Gravel Bike (2026)

Cannondale Topstone Carbon 3 GRX Gravel Bike (2026)

R 74,999.00
R 74,999.00
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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

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

  • Rims
    WTB ST i25 TCS, 28h, tubeless ready
  • Spokes
    Stainless Steel, 14g
  • Tire Size
    37
  • Wheel Size
    700c
  • Hubs
    (F) Shimano TC500, 12x100mm centerlock / (R) Shimano TC500, 12x142mm centerlock
  • Tires
    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

  • Components
    Cannondale Wheel Sensor

Extra

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