🚚 Free Worldwide Shipping on All Orders!Shop Now
HomeStore

2026 Cannondale Topstone Carbon 3 GRX 1x

2026 Cannondale Topstone Carbon 3 GRX 1x

Always Game

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

Model Description

One chainring, endless possibilities. The Topstone 3 GRX - 1X delivers simplicity without sacrificing performance. A Shimano GRX610/820 blended group keeps shifting precise and reliable, while KingPin suspension takes the sting out of rough terrain. WTB tires keep you connected to the trail, making every ride a good one—whether it’s a quick lap or a full-day escapade.

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
  • With a single chainring and wide-range SLX 12-speed cassette, this blend of Shimano’s top-end GRX820 and GRX610 gravel groups offers a killer performance value
  • Durable, dependable WTB ST i25 rims, with Shimano hubs and WTB Riddler 45c gravel tires
  • Cannondale 3 flared handlebars offer comfortable, gravel-friendly hand positions

Colour: Deep Teal

Specs

Details

  • Platform
    Topstone Carbon
  • Model Name
    Topstone Carbon 3 GRX - 1x
  • Model Code
    C15195U

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 822, Shadow SGS
  • Shifters
    Shimano GRX 610, 12-speed
  • Chain
    Shimano M7100, 12-speed
  • Crank
    Shimano GRX 610, 40T: 165mm (47cm), 170mm (51cm), 172.5 (54-56cm), 175mm (58-61cm)
  • Rear Cogs
    Shimano SLX M7100, 10-51, 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
    45
  • Wheel Size
    700c
  • Hubs
    (F) Shimano TC500, 12x100mm centerlock / (R) Shimano TC500, 12x142mm centerlock
  • Tires
    WTB Riddler TCS Light, 700x45c, tubeless ready

Components

  • Handlebar
    Cannondale 3, butted 6061 Alloy, 16 deg flare, 120mm drop: 400mm (47cm), 420mm (51-54), 440mm (56-61cm)
  • Stem
    Cannondale C1 Conceal, Alloy, 31.8, -6°: 70mm (47-51m), 80mm (54cm), 90mm (56-58cm), 100mm (61cm)
  • Grips
    Cannondale KnurlCork, 2.7mm
  • Saddle
    Selle Royal SRX Open
  • Seatpost
    Cannondale 3, 6061 Alloy, 27.2x350mm

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.

$1,251.49

Original: $3,575.70

-65%
2026 Cannondale Topstone Carbon 3 GRX 1x—

$3,575.70

$1,251.49
Product image 1
Product image 2
Product image 3
Product image 4
Product image 5
Product image 6
Product image 7

Description

Always Game

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

Model Description

One chainring, endless possibilities. The Topstone 3 GRX - 1X delivers simplicity without sacrificing performance. A Shimano GRX610/820 blended group keeps shifting precise and reliable, while KingPin suspension takes the sting out of rough terrain. WTB tires keep you connected to the trail, making every ride a good one—whether it’s a quick lap or a full-day escapade.

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
  • With a single chainring and wide-range SLX 12-speed cassette, this blend of Shimano’s top-end GRX820 and GRX610 gravel groups offers a killer performance value
  • Durable, dependable WTB ST i25 rims, with Shimano hubs and WTB Riddler 45c gravel tires
  • Cannondale 3 flared handlebars offer comfortable, gravel-friendly hand positions

Colour: Deep Teal

Specs

Details

  • Platform
    Topstone Carbon
  • Model Name
    Topstone Carbon 3 GRX - 1x
  • Model Code
    C15195U

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 822, Shadow SGS
  • Shifters
    Shimano GRX 610, 12-speed
  • Chain
    Shimano M7100, 12-speed
  • Crank
    Shimano GRX 610, 40T: 165mm (47cm), 170mm (51cm), 172.5 (54-56cm), 175mm (58-61cm)
  • Rear Cogs
    Shimano SLX M7100, 10-51, 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
    45
  • Wheel Size
    700c
  • Hubs
    (F) Shimano TC500, 12x100mm centerlock / (R) Shimano TC500, 12x142mm centerlock
  • Tires
    WTB Riddler TCS Light, 700x45c, tubeless ready

Components

  • Handlebar
    Cannondale 3, butted 6061 Alloy, 16 deg flare, 120mm drop: 400mm (47cm), 420mm (51-54), 440mm (56-61cm)
  • Stem
    Cannondale C1 Conceal, Alloy, 31.8, -6°: 70mm (47-51m), 80mm (54cm), 90mm (56-58cm), 100mm (61cm)
  • Grips
    Cannondale KnurlCork, 2.7mm
  • Saddle
    Selle Royal SRX Open
  • Seatpost
    Cannondale 3, 6061 Alloy, 27.2x350mm

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.

2026 Cannondale Topstone Carbon 3 GRX 1x | Bicycle Express