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.
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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
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
- 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
StashPort + StashBag
StashPort is our take on a downtube storage system, accessed beneath the water bottle cage. Every bike includes StashBag, a specially designed bag for your essentials.
Dropper Ready
Built to accept an internally-routed 27.2mm dropper seatpost, which shouldn´t be a surprise on a bike this capable.
Proportional Response
Tuned for the rider, our size-specific construction creates optimal stiffness and compliance for each frame size. So, every rider benefits from the ideal ride feel and comfort of KingPin.
OutFront Steering Geometry
Confident stability meets nimble agility. An extra long fork offset paired with a slack head angle keeps the steering light and lively, yet delivers unreal confidence at speed and in the rough stuff.
Tidy does it
Internal cable routing throughout the frame, combined with Conceal Stem, delivers a tidy, integrated look.
Specs
Details
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Platform
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Model NameTopstone Carbon LTD Di2
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Model CodeC15145U
Frameset
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FrameTopstone 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
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ForkTopstone 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
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HeadsetAcros IS52/40 ICR
Drivetrain
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Rear DerailleurShimano GRX 825, Di2, Shadow RD+
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Front DerailleurShimano GRX 825, Di2
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ShiftersShimano GRX 825, Di2, 12-speed
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ChainShimano M8100, 12-speed
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CrankShimano GRX 820, 48/31
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Rear CogsShimano Ultegra R8100, 11-34, 12-speed
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Bottom BracketShimano BSA 68
Brakes
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BrakesShimano GRX RX820, 160/160mm MT800 centerlock rotors
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Brake LeversShimano GRX 825 hydraulic disc
Wheels
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RimsReserve 40 I 44 GR Carbon, Turbulent Aero Tech, 24h, tubeless ready
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SpokesSapim CX-Ray Aero straight pull
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Tire Size40
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Wheel Size700c
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Hubs(F) DT Swiss 240, 12x100mm centerlock / (R) DT Swiss 240, 12x142mm centerlock
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TiresVittoria Terreno T30, 700x45c, tubeless ready
Components
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HandlebarEaston EC90 AX Carbon
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StemCannondale C1 Conceal, Alloy, 31.8, -6°
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GripsCannondale KnurlCork, 2.7mm
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SaddleFizik Terra Argo X3, Kium rails
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SeatpostCannondale SAVE Carbon, 27.2x350mm (47-58), 400mm (61)
Connectivity
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Wheel SensorCannondale Wheel Sensor
Extra
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Extra 1Large 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.
Geometry
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