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2026 Cannondale Topstone Carbon LTD Di2

2026 Cannondale Topstone Carbon LTD Di2

Always Game

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

Model Description

Smooth shifts, smoother rides. As the top-end rigid fork model in the lineup, the Topstone Carbon LTD Di2 brings the flawless electronic precision of Shimano’s GRX825 Di2 group to the gravel game. Paired with Reserve’s carbon 40|44 GR rims and DT-Swiss 270 hubs, it serves up gravel fast and smooth, with a side of do-it-all capability.

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
  • Silky smooth shifting from Shimano’s premium GRX 825/820 electronic gravel groupset
  • Light, durable, and aero 40 I 44 GR carbon gravel wheels from Reserve, with lightweight DT-Swiss 240 hubs, and fast rolling Vittoria Terreno T30 45c tires
  • Comfort-enhancing Cannondale SAVE carbon seatpost, and Easton EC90 AX carbon handlebars

Colour: Mantis Grey

Details

  • Platform
    Topstone Carbon
  • Model Name
    Topstone Carbon LTD Di2
  • Model Code
    C15145U

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 825, Di2, Shadow RD+
  • Front Derailleur
    Shimano GRX 825, Di2
  • Shifters
    Shimano GRX 825, Di2, 12-speed
  • Chain
    Shimano M8100, 12-speed
  • Crank
    Shimano GRX RX820, 48/31
  • Rear Cogs
    Shimano Ultegra R8100, 11-34, 12-speed
  • Bottom Bracket
    Shimano BSA 68

Brakes

  • Brakes
    Shimano GRX RX820, 160/160mm MT800 centerlock rotors
  • Brake Levers
    Shimano GRX 825 hydraulic disc

Wheels

  • Rims
    Reserve 40 I 44 GR Carbon, Turbulent Aero Tech, 24h, tubeless ready
  • Spokes
    Sapim CX-Ray Aero straight pull
  • Tire Size
    40
  • Wheel Size
    700c
  • Hubs
    (F) DT Swiss 240, 12x100mm centerlock / (R) DT Swiss 240, 12x142mm centerlock
  • Tires
    Vittoria Terreno T30, 700x45c, tubeless ready

Components

  • Handlebar
    Easton EC90 AX Carbon, 16 deg flare, 125mm 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
    Fizik Terra Argo X3, Kium rails
  • Seatpost
    Cannondale SAVE Carbon, 27.2x350mm (47-58), 400mm (61)

Extra

  • Extra 1
    Large StashBag downtube storage bag, Reserve Fillmore tubeless valve stems, Shimano Di2 charger

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

$2,377.84

Original: $6,793.83

-65%
2026 Cannondale Topstone Carbon LTD Di2—

$6,793.83

$2,377.84
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Description

Always Game

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

Model Description

Smooth shifts, smoother rides. As the top-end rigid fork model in the lineup, the Topstone Carbon LTD Di2 brings the flawless electronic precision of Shimano’s GRX825 Di2 group to the gravel game. Paired with Reserve’s carbon 40|44 GR rims and DT-Swiss 270 hubs, it serves up gravel fast and smooth, with a side of do-it-all capability.

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
  • Silky smooth shifting from Shimano’s premium GRX 825/820 electronic gravel groupset
  • Light, durable, and aero 40 I 44 GR carbon gravel wheels from Reserve, with lightweight DT-Swiss 240 hubs, and fast rolling Vittoria Terreno T30 45c tires
  • Comfort-enhancing Cannondale SAVE carbon seatpost, and Easton EC90 AX carbon handlebars

Colour: Mantis Grey

Details

  • Platform
    Topstone Carbon
  • Model Name
    Topstone Carbon LTD Di2
  • Model Code
    C15145U

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 825, Di2, Shadow RD+
  • Front Derailleur
    Shimano GRX 825, Di2
  • Shifters
    Shimano GRX 825, Di2, 12-speed
  • Chain
    Shimano M8100, 12-speed
  • Crank
    Shimano GRX RX820, 48/31
  • Rear Cogs
    Shimano Ultegra R8100, 11-34, 12-speed
  • Bottom Bracket
    Shimano BSA 68

Brakes

  • Brakes
    Shimano GRX RX820, 160/160mm MT800 centerlock rotors
  • Brake Levers
    Shimano GRX 825 hydraulic disc

Wheels

  • Rims
    Reserve 40 I 44 GR Carbon, Turbulent Aero Tech, 24h, tubeless ready
  • Spokes
    Sapim CX-Ray Aero straight pull
  • Tire Size
    40
  • Wheel Size
    700c
  • Hubs
    (F) DT Swiss 240, 12x100mm centerlock / (R) DT Swiss 240, 12x142mm centerlock
  • Tires
    Vittoria Terreno T30, 700x45c, tubeless ready

Components

  • Handlebar
    Easton EC90 AX Carbon, 16 deg flare, 125mm 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
    Fizik Terra Argo X3, Kium rails
  • Seatpost
    Cannondale SAVE Carbon, 27.2x350mm (47-58), 400mm (61)

Extra

  • Extra 1
    Large StashBag downtube storage bag, Reserve Fillmore tubeless valve stems, Shimano Di2 charger

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