Cannondale
Topstone Carbon 4 Gravel Bike - Olive Green (2023)

Nothing is Impassable

Go ahead, ride it. If your idea of a fun road ride starts where the pavement ends, no other gravel bike can take you further than the Topstone Carbon and its revolutionary Kingpin suspension system. Offered with either a rigid carbon fork, or as a full dual suspension machine with the Lefty Oliver gravel fork, these bikes offer traction, comfort and control beyond the dreams of other drop-bar bikes. On everything from beat-up backroads to full-tilt singletrack, Topstone Carbon lets you get in deep & come out smiling.

Key Benefits

• Kingpin Suspension. Delivering a smooth ride without the added weight and complexity of a shock and links, Kingpin is our answer for the most demanding gravel riders. Whether you need more comfort to go long, more traction to push beyond or more give to take on the tech, Kingpin is the maintenance-free, lightweight answer to your prayers.
• As You Like It. A configuration for every gravel style. On the 1 and 2 models, choose between the rowdy capability of Lefty or the added security of SmartSense. The 3 is offered with or without SmartSense lights. And the 4 is SmartSense-ready for future upgrades.
• Ride Brilliantly. All new Topstone Carbon models are either equipped with or ready to upgrade to our SmartSense system of rear-facing radar and intelligent running lights. It's never been easier to ride smart.
• Load Up. Roll Out. With plentiful gear and waterbottle mounts on the frame and fork, Topstone Carbon is ready to load up and go long.
• Corner like a Boss. Rail through the rough and come out smiling. Led by our OutFront steering geometry, the Topstone Carbon offers up handling that's serenely stable in the chop, and light & nimble everywhere else.

Tuned for the Rider

Our Proportional Response size-specific construction creates optimal frame stiffness and compliance for each frame size, so that every rider as the ideal ride feel and comfort of Kingpin.

Engineered Simplicity

New low-friction bushings on the Kingpin thru-axle offer smooth action, maintenancefree reliability and over 100 grams of weight savings vs the previous cartridge bearings.

Clearance and Compatibility

The new dropped chainstay design lets you run big volume tires (up to 700x45mm, with 6mm of mud-shedding clearance on each side), all with a standard dish rear wheel for easy interchangeability.

Connected

An integrated wheel sensor delivers hyper-accurate speed, route and distance info while you ride, registers your bike, reminds you of needed service and more, all through the free Cannondale App.

Dropper Ready

Built to accept an internally-routed 27.2mm dropper seatpost

Frame:Topstone Carbon, Kingpin suspension system, SmartSense compatible, 12x142mm thru-axle, 27.2 dropper post ready, BSA 68mm threaded BB, DirectLine internal cable routing, 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

Rims:WTB ST i23 TCS, 700c, 28h, tubeless ready

Hubs:(F) Formula cartridge bearing, 12x100mm, centerlock / (R) Formula cartridge bearing, 12x142mm, centerlock

Spokes:Stainless Steel, 14g

Tyres:WTB Riddler Comp, 700 x 45c

Pedals:Not included

Crank:Shimano GRX 600, 46/30

Bottom Bracket:Shimano BSA 68

Chain:KMC X10, 10-speed

Rear Cogs:Shimano HG500, 11-34, 10-speed

Front Derailleur:Shimano GRX 400, braze-on

Rear Derailleur:Shimano GRX 400, Shadow RD+

Shifters:Shimano GRX 400, 10-speed

Handlebar:Cannondale 3, butted 6061 Alloy, 16 deg flare drop

Grips:Fizik Solocush Soft, 3mm

Stem:Cannondale 3, 6061 Alloy, 31.8, 7°

Headset:Integrated, 1-1/8" - 1-1/2"

Brakes:Shimano GRX 400 hydraulic disc, 160/160mm RT54 rotors

Brake Levers:Shimano GRX 400 hydraulic disc

Saddle:Fizik Aliante Delta, S-alloy rails

Seatpost:Cannondale 3, 6061 Alloy, 27.2 x 350mm

Speeds:20

Connectivity:Cannondale Wheel Sensor

Wheel Size:700c

Extras:StrapRack toolholder