Cannondale Topstone 1

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

Specs

DETAILS

Platform
Topstone Alloy
Model Name
Topstone 1
Model Code
C15603U

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