Cannondale Topstone 1 Alloy (2025)

Pure gravel goodness. With the smooth-riding SmartForm C2 Alloy frame, the precise shifting of Shimano's upper tier GRX 2x12-speed gravel components, durable WTB rims and tires, and gear mounts galore, the Topstone 1 sets the standard for high performance versatility. Load up and head out.

What it's for

Gravel-riding, exploring, bikepacking, performance commuting

Highlights

• Lightweight SmartForm C2 Alloy frame w/ full carbon fork
• Exceptionally precise and refined shifting from Shimano's upper-tier mechanical GRX 820/600 2x12-speed gravel group
• Superb power and modulation from Shimano's GRX 600/400 hydraulic disc brakes
• Rugged, reliable, WTB ST i23 TCS tubeless ready rims with Riddler 700x37c tires
• Long distance comfort from Fizik's Aliante Delta saddle

FRAMESET

• Frame: Topstone, lightweight SmartForm C2 Alloy, 12x142 thru-axle, tapered headtube, BSA threaded BBm flat mount disc, StraightShot internal cable routing, 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, fender/gear mounts
• Headset: Integrated, 1-1/8" - 1.5"

DRIVETRAIN

• Rear Derailleur: Shimano GRX 820, Shadow RD+
• Front Derailleur: Shimano GRX 820
• Shifters: Shimano GRX 600, 12-speed
• Chain: Shimano HG M7100, 12-speed
• Crank: Shimano GRX 600, 46/30
• Rear Cogs: Shimano HG R7100, 11-34, 12-speed
• Bottom Bracket: Shimano BSA 68

BRAKES

• Brakes: Shimano GRX 400 hydraulic disc, 160/160mm RT64 rotors
• Brake Levers: Shimano GRX 600 hydraulic disc

WHEELS 

• Rims: WTB ST i23 TCS, 28h, tubeless ready
• Spokes: Stainless Steel, 14g
• Tire Size: 37
• Wheel Size: 700
• Hubs: (F) Formula cartridge bearing, 12x100mm centerlock / (R) Formula cartridge bearing, 12x142mm centerlock
• Tires: WTB Riddler TCS Light, 700x37c, tubeless ready

COMPONENTS

• Handlebar: Cannondale 3, butted 6061 Alloy, 16 deg flare drop
• Stem: Cannondale 3, 6061 Alloy, 31.8, 7°
• Grips. Cannondale Bar Tape, 3.5mm
• Saddle: Fizik Aliante Delta, S-alloy rails
• Seatpost: Cannondale 3, 6061 Alloy, 27.2x350mm

EXTRA

• Extra 1:Tubeless valves

The manufacturer reserves the right to make changes to the product information contained on this site at any time without notice, including with respect to equipment, specifications, models, colours, materials and pricing. Due to supply chain issues, compatible parts may be substituted at any time without notice. The prices shown are the manufacturer's suggested retail prices.