Cannondale Topstone Carbon 2 GRX bike 2025

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

Features

• Lightweight full carbon frameset with Kingpin rear suspension, Proportional Response size-specific construction, and StashPort downtube storage.
• Smooth, reliable, shifting from Shimano’s 2x12-speed GRX820 – their top-end mechanical gravel groupset.
• Light and fast wheelset with WTB KOM Team rims, Shimano hubs, and WTB Riddler 45c gravel tires.
• Cannondale’s 2 carbon seatpost and 2 ShortDrop flared bar create a comfortable cockpit.
• Cannondale Wheel Sensor delivers hyper-accurate speed, distance and route info, service reminders, and more via the Cannondale App.

Tech spec

• 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
• Rims: WTB KOM Team i25 TCS, 28h, tubeless ready
• Hubs: Shimano TC500, 12x100mm centerlock / (R) Shimano TC500, 12x142mm centerlock
• Front Hub: Shimano TC500, 12x100mm centerlock
• Rear Hub: Shimano TC500, 12x142mm centerlock
• Spokes: Stainless Steel, 14g
• Tires: WTB Riddler TCS Light, 700x45c, tubeless ready
• Crank: Shimano GRX 820, 48/31
• Bottom Bracket: Shimano BSA 68
• Chain: Shimano M8100, 12-speed
• Rear Cogs: Shimano Ultegra R8100, 11-34, 12-speed
• Front Derailleur: Shimano GRX 820
• Rear Derailleur: Shimano GRX 820, Shadow RD+
• Shifters: Shimano GRX 820, 12-speed
• Handlebar: Cannondale 2 ShortDrop, 7050 alloy, 12 deg flare drop
• Grips: Cannondale KnurlCork, 2.7mm
• Stem: Cannondale C1 Conceal, Alloy, 31.8, -6°
• Headset: Acros IS52/40 ICR
• Brakes: Shimano GRX 820 hydraulic disc, 160/160mm MT800 rotors
• Brake Levers: Shimano GRX 820 hydraulic disc
• Saddle: Fizik Terra Argo X7
• Seatpost: Cannondale 2 Carbon, 27.2x350mm (47-58), 400mm (61)
• Speeds: 12
• Extras: Large StashBag downtube storage bag, tubeless valve stems
• Connectivity: Cannondale Wheel Sensor