Topstone Carbon 3 GRX 1x 2026

The Cannondale Topstone Carbon 3 GRX 1x 2025 is ideal for all kinds of terrain, from dirt roads to singletrack trails. Thanks to the Kingpin suspension, you can enjoy both grip and comfort, no matter where you venture. Perfect for gravel riding, back road exploring, bike packing, and off-road adventures, it can handle gravel, dirt roads, rough pavement, and trails with ease.

Cannondale's Kingpin is a rear suspension system designed for long rides. Its simplistic design allows for easy maintenance and provides legitimate rear-wheel travel without sacrificing sprint stiffness. This technology offers a smoother ride, improved traction, and increased flexibility to tackle rough terrain. Once installed, you'll barely notice it, but you'll definitely appreciate the benefits it provides.

The Cannondale Topstone Carbon 3 GRX 1x 2025 features a discreet storage system built into the downtube, known as the StashPort. Accessible with the StashBag, this feature allows for safe transportation of necessary items during all types of rides. The multiple mounting points on the frame offer endless possibilities for gear and adventures.

Experience unparalleled ride quality with Cannondale Topstone Carbon 3 GRX 1x 2025 thanks to Proportional Response Construction. Each frame size is tailored to provide optimal carbon layup and geometry, along with KingPin suspension for personalized performance based on your unique needs and body measurements.

Highlights

• Lightweight Topstone Carbon frameset with Kingpin suspension, SmartSense compatible / Integrated Cannondale App connectivity
• Shimano GRX 822/610 12-speed shifting
• WTB ST i23 TCS rims / Maxxis Rambler 700x40c tires

Sizing:

• 47: 149 - 167cm
• 51: 165 - 175cm
• 54: 172 - 180cm
• 56: 177 - 185cm
• 58: 182 - 193cm
• 61: 190 - 200cm

Specifications:

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, SmartSense 2.0 compatible, 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 i25 TCS, 28h, tubeless ready
Hubs - (F) Shimano TC500, 12x100mm centerlock / (R) Shimano TC500, 12x142mm centerlock
Spokes - Stainless Steel, 14g
Tyres - WTB Riddler TCS Light, 700x45c, tubeless ready
Pedals - Not included
Crank - Shimano GRX 610, 40T
Bottom Bracket - Shimano BSA 68
Chain - Shimano M7100, 12-speed
Cassette - Shimano SLX M7100, 10-45, 12-speed
Rear Derailleur - Shimano GRX 822, Shadow SGS
Shifters - Shimano GRX 610, 12-speed
Handlebar - Cannondale 3, butted 6061 Alloy, 16 deg flare drop
Grips - Cannondale KnurlCork, 2.7mm
Stem - Cannondale C1 Conceal, Alloy, 31.8, -6°
Headset - Acros IS52/40 ICR
Brakes - Shimano GRX 610 hydraulic disc,160/160mm RT70 rotors
Brake Levers - Shimano GRX 610 hydraulic disc
Saddle - Selle Royal SRX Open
Seatpost - Cannondale 3, 6061 Alloy, 27.2x350mm
Connectivity - Cannondale Wheel Sensor
Sizes - 47, 51, 54, 56, 58, 61cm 
Extras - Large StashBag downtube storage bag, tubeless valve stems