Cannondale Topstone Carbon 3 1X GRX Moonrock '26

CANNONDALE TOPSTONE CARBON 3 GRX - 1X

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.

PRODUCT 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

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, 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
HEADSET: ACROS IS52/40 ICR
REAR DERAILLEUR: SHIMANO GRX 822, SHADOW SGS
SHIFTERS: SHIMANO GRX 610, 12-SPEED
CHAIN: SHIMANO M7100, 12-SPEED
CRANK: SHIMANO GRX 610, 40T: 165MM (47CM), 170MM (51CM), 172.5 (54-56CM), 175MM (58-61CM)
REAR COGS: SHIMANO SLX M7100, 10-51, 12-SPEED
BOTTOM BRACKET: SHIMANO BSA 68
BRAKES: SHIMANO GRX 610 HYDRAULIC DISC, 160/160MM RT70 ROTORS
BRAKE LEVERS: SHIMANO GRX 610 HYDRAULIC DISC
RIMS: WTB ST I25 TCS, 28H, TUBELESS READY
SPOKES: STAINLESS STEEL, 14G
TIRE SIZE: 45
WHEEL SIZE: 700C
HUBS: (F) SHIMANO TC500, 12X100MM CENTERLOCK / (R) SHIMANO TC500, 12X142MM CENTERLOCK
TIRES: WTB RIDDLER TCS LIGHT, 700X45C, TUBELESS READY
HANDLEBAR: CANNONDALE 3, BUTTED 6061 ALLOY, 16 DEG FLARE, 120MM DROP: 400MM (47CM), 420MM (51-54), 440MM (56-61CM)
STEM: CANNONDALE C1 CONCEAL, ALLOY, 31.8, -6°: 70MM (47-51M), 80MM (54CM), 90MM (56-58CM), 100MM (61CM)
GRIPS: CANNONDALE KNURLCORK, 2.7MM
SADDLE: SELLE ROYAL SRX OPEN
SEATPOST: CANNONDALE 3, 6061 ALLOY, 27.2X350MM
EXTRA: LARGE STASHBAG DOWNTUBE STORAGE BAG, TUBELESS VALVE STEMS

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*Please note that bike specifications are subject to change without prior notice.