Cannondale Topstone Carbon 4

Cannondale Topstone Carbon 4

Discover the Cannondale Topstone Carbon 4:

  • Lightweight Topstone Carbon frameset with Kingpin suspension.
  • Shimano GRX 400 10-speed shifting and hydraulic disc brakes.
  • WTB ST i23 TCS rims.
  • Engineered for smooth ride without added weight.
  • Integrated Cannondale App connectivity with SmartSense compatibility.

Our Verdict: Optimized for gravel riding and adventure, the Topstone Carbon 4 is a versatile option that offers superior handling, suspension, and connectivity.

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Cannondale's Topstone Carbon 4 gravel bike sits as an unrivalled contender in the market for adventure and exploration bikes. Manufactured with a focus on adaptability, resilience, and overall performance, this bike has been expertly developed to meet the demands of riders who are eager to push their limits on difficult terrain. Combining quality material, versatile design, and high-technology components, the Topstone Carbon 4 is designed to thrive on rough pavement, dirt roads, singletrack trails, and even in back road exploring and off-road adventures.

The Cannondale Topstone Carbon 4 - an innovative masterpiece

The hallmark of the Topstone Carbon 4 is its lightweight and sturdy Carbon frame, solo arm Kingpin suspension system and Proportional Response construction that contributes to its reliability, resilience and keeps ride quality exceptionally smooth.

Shimano GRX 400 and the Optimised Drivetrain features

The bike's gearing, shifting and braking are entrusted to Shimano's GRX 400 which provides 10-speed precise shifting and hydraulic disc braking that generates immense stopping power and enhances rider control. The Topstone Carbon 4 also features a KMC X10, 10-speed chain and FSA Gossamer Pro Modular AGX+, 46/30 Crank including SunRace rear cogs, 11-36, that compliments the overall drivetrain efficiency.

Kingpin Suspension: A leap in bike suspension design

Cannondale's unique Kingpin suspension design is prominent in the Topstone Carbon 4, providing a smooth ride without adding unnecessary weight or complexity. It is the solution to the most challenging gravel riders: need more comfort, more traction, or more flexibility to push beyond or take on technical terrains, this maintenance-free, lightweight design ensures the best riding experience.

The OutFront Steering Geometry is another hallmark of Cannondale’s design philosophy, promising confident stability along with nimble agility. The slack head angle and extra long fork offset lead to light and lively steering, offering the rider confidence while at high speed or navigating rough terrains.

Well-Suited for Multiple Terrains

The bike is equipped with tubeless-ready 28h, 700c WTB ST i23 TCS rims complementing the WTB Riddler Comp, 700x45c tyres. Working on a Formula cartridge-bearing, Centerlock hubs in both front and rear, the Topstone Carbon 4 offers excellent traction and a superior ride experience on gravel, dirt roads and trails alike. Moreover, the tyre compatibility range is 700x45mm or 27.5x2.1" providing 6mm of mud-shedding clearance, enforcing this bike’s off-road capability.

Cannondale App: Redefining bike and rider connectivity

The Topstone Carbon 4 features an integrated wheel sensor that delivers hyper-accurate speed, route and distance information in real-time while you ride, directly to the free Cannondale App. This technology promises to revolutionise your riding experience, even reminding you of needed service and more.

Technical Specifications of Cannondale Topstone Carbon 4

Its frame and fork are Topstone carbon, equipped with Kingpin suspension, SmartSense compatibility, Proportional Response construction and 12x142mm thru-axle. The design is dropper post ready and offers BSA 68mm threaded BB, DirectLine internal cable routing, and a removable fender bridge. Multiple gear/bottle mounts add to its versatility.

The Integrity headset is Integrated, with a size of 1-1/8" - 1.5". The rear derailleur and front derailleur both are Shimano GRX 400, and the shifters belong to the same series. The FSA Mega EXO is the bike’s bottom bracket. The hydraulic disc brakes are Shimano GRX 400, with 160/160mm RT54 rotors.

The handlebar is from Cannondale 3, butted 6061 Alloy, with a 16deg flare drop. The stem is also from Cannondale 3, 6061 Alloy, 31.8, 7°. Comfort is provided by Fizik Solocush Soft, 3mm grips, and Fizik Aliante Delta saddle with S-alloy rails. The post is Cannondale 3, 6061 Alloy, 27.2x350mm.


The Cannondale Topstone Carbon 4 consistently impresses riders with its performance, durability, and control across varied terrains. Whether you're hammering hardcore trails, shredding gnarly singletrack, or sending it up a strenuous climb, the Topstone Carbon 4 offers a confident, exhilarating ride.

From exploring back roads to packing for a bike touring adventure, every owner seems to have a unique love story with the Topstone Carbon 4. The bike reportedly holds up beautifully in various weather conditions and handles hardtail trails with ease. It's not surprising that many recommend it to other passionate explorers.

Considering its superior grip and comfort, high tech and compatibility features, the Cannondale Topstone Carbon 4 successfully markets itself as a reliable go-to for any gravel biker. Go grab yours and get ready to push your limits!