The Cannondale Topstone Carbon 3 GRX is built for gravel adventures big and small, blending simplicity and performance with a 1x Shimano GRX drivetrain, Kingpin rear suspension, and dialed Proportional Response frame design. Its lightweight full carbon frameset features StashPort downtube storage, while WTB Riddler 45c tires, flared handlebars, and reliable Shimano hubs make it ready for rough roads and big rides. Whether you're racing, bikepacking, or just getting lost for the day, the Topstone offers smooth traction, comfort, and room for all your gear—making every mile more fun.
Frameset
Frame:
Topstone Carbon, Kingpin suspension, StashPort storage, 12x142mm thru-axle, flat mount disc, 27.2 dropper-ready
Fork:
Topstone Carbon, OutFront offset, 12x100mm thru-axle, triple mounts, internal routing
Headset:
Acros IS52/40 ICR
Drivetrain
Rear Derailleur:
Shimano GRX 822, 12-speed
Shifters:
Shimano GRX 610, 12-speed
Crank:
Shimano GRX 610, 40T
Cassette:
Shimano SLX M7100, 10-51
Chain:
Shimano M7100, 12-speed
Bottom Bracket:
Shimano BSA 68
Brakes
Brakes:
Shimano GRX 610 hydraulic disc, 160mm RT70 rotors
Wheels
Rims:
WTB ST i25 TCS, 28h, tubeless ready
Spokes:
Stainless steel, 14g
Hubs:
(F/R) Shimano TC500, 12x100mm, centerlock
Front Tire:
WTB Riddler TCS Light, 700x45c (max clearance 52mm)
Rear Tire:
WTB Riddler TCS Light, 700x45c (max clearance 56mm)
Components
Handlebar:
Cannondale 3, 6061 Alloy, 16° flare drop
Stem:
Cannondale C1 Conceal, Alloy, 31.8, -6°
Grips:
Cannondale KnurlCork, 2.7mm
Saddle:
Selle Royal SRX Open
Seatpost:
Cannondale 3, 6061 Alloy, 27.2x350mm
Extras
Included:
StashBag downtube storage, tubeless valve stems, Cannondale Wheel Sensor
Specifications are subject to change without notice based on component availability.
| Size |
Height Range |
| XS |
|
| SM |
|
| MD |
|
| LG |
|
| XL |
|
Geometry
