Cannondale Topstone Carbon 3 GRX - 1x - Rebec and Kroes Cycle & Sport

Model Description

One chainring, endless possibilities. The Topstone 3 GRX - 1X delivers simplicity without sacrificing performance. A Shimano GRX610/820 blended group keeps shifting precise and reliable, while KingPin suspension takes the sting out of rough terrain. WTB tires keep you connected to the trail, making every ride a good one—whether it’s a quick lap or a full-day escapade.

What it's for

Gravel riding & racing, bikepacking, going hard and long on dirt or pavement

Highlights

Lightweight full carbon frameset with Kingpin rear suspension, Proportional Response size-specific construction, and StashPort downtube storage
With a single chainring and wide-range SLX 12-speed cassette, this blend of Shimano’s top-end GRX820 and GRX610 gravel groups offers a killer performance value
Durable, dependable WTB ST i25 rims, with Shimano hubs and WTB Riddler 45c gravel tires
Cannondale 3 flared handlebars offer comfortable, gravel-friendly hand positions

View more details at Cannondale.com

Weight:	51cm - 22.3lbs/10.11kg
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/bot
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
Shock:	Kingpin Frame Suspension System up to 30mm travel
Front Shifter:	N/A
Front Derailleur:	N/A
Rear Shifter:	Shimano GRX 610, 12-speed
Rear Derailleur:	Shimano GRX 822, Shadow SGS
Crankset:	Shimano GRX 610, 40T
Pedals:	N/A
Bottom Bracket:	Shimano BSA 68
Cassette:	Shimano SLX M7100, 10-51, 12-speed
Chain:	Shimano M7100, 12-speed
Front Brake:	Shimano GRX 610 hydraulic disc
Front Brake Rotor:	160mm RT70 rotor
Rear Brake:	Shimano GRX 610 hydraulic disc
Rear Brake Rotor:	160mm RT70 rotor
Brake Levers:	Shimano GRX 610
Front Hub:	Shimano TC500
Front Hub Skewer:	12x100mm Thru Axle
Rear Hub:	Shimano TC500
Rear Hub Skewer:	12x142mm Thru Axle
Rims:	WTB ST i25 TCS, 28h, tubeless ready
Front Tire:	WTB Riddler TCS Light, 700x45c, tubeless ready (Front fork clearance for up to 56mm Tire width)
Rear Tire:	WTB Riddler TCS Light, 700x45c, tubeless ready (Rear frame up to 52mm tire width clearance)
Handlebar:	Cannondale 3, butted 6061 Alloy, 16 deg flare drop
Grips/ Bar Tape:	Cannondale KnurlCork, 2.7mm
Stem:	Cannondale C1 Conceal, Alloy, 31.8, -6°
Headset:	Acros IS52/40 ICR
Saddle:	Selle Royal SRX Open
Seatpost:	Cannondale 3, 6061 Alloy, 27.2x350mm
Extras:	Large StashBag downtube storage bag, tubeless valve stems