The Cannondale Topstone CAAD 1 GRX 1x is the premium single-ring, drop-bar build of the Topstone CAAD family. An aluminum gravel bike for riders who want a clean, simple drivetrain and quick, responsive handling when the pavement turns to dirt.
The SmartForm C1 aluminum frame and full-carbon fork strike an excellent balance of durability, precision and comfort. The Shimano GRX 1x12 drivetrain with a 10-51 cassette delivers a wide gear range with the simplicity of a single chainring, ideal for gravel, long distances and bikepacking.
Key features:
- SmartForm C1 aluminum frame: durable and lightweight, with suspension-ready geometry.
- Full-carbon fork: reduces front-end weight and improves precision and comfort.
- Shimano GRX 1x12 drivetrain: GRX 822 Shadow derailleur, GRX 610 shifters, 40T chainring and Shimano SLX 10-51 cassette to tackle any climb.
- Shimano GRX 410 hydraulic disc brakes: 160 mm rotors for controlled, confident braking on any surface.
- WTB ST i25 TCS 2.0 wheels and 45 mm WTB Vulpine TCS Light tires: tubeless ready, for speed and grip on asphalt and gravel.
- Cannondale C1 Conceal cockpit: cables routed through the stem and a computer mount for Garmin, Wahoo and Hammerhead.
- OutFront geometry: a stable front end at high speed and precise handling on technical sections.
- Plenty of mounts: for bottles, bags, racks, fenders and an 18 mm kickstand.
- Dynamo and dropper ready: StraightShot internal cable and dynamo routing and a 27.2 mm dropper-compatible seat tube.
Versatility for every adventure
From fast gravel rides to bikepacking trips, the Topstone CAAD 1 GRX 1x adapts to your needs. The threaded BSA bottom bracket, UDH derailleur hanger and thru-axles make it easy to maintain and customize over time.
Choose the Cannondale Topstone CAAD 1 GRX 1x at Pro-M Store and get ready to enjoy every gravel ride with performance, control and the freedom to explore.
TECHNICAL SPECIFICATIONS
Frameset
- Frame: Topstone CAAD, SmartForm C1 Alloy, 12x142 mm thru-axle, 27.2 mm dropper-compatible seat tube, 1.5" Acros-compatible headtube, 68 mm BSA threaded bottom bracket, Flat Mount disc with native 160 mm rotor mount, UDH hanger, StraightShot internal cable and dynamo routing, multiple bottle and gear mounts, 18 mm two-bolt kickstand mount, rack and fender compatible, suspension-ready geometry.
- Fork: Topstone Carbon, 1-1/8" to 1.5" steerer, 55 mm OutFront offset, Flat Mount disc, integrated cable and dynamo routing, 12x100 mm thru-axle, triple bottle/gear mounts, fender mounts.
- Headset: Acros IS52/40 ICR.
Drivetrain
- Rear derailleur: Shimano GRX 822 Shadow SGS, 12-speed.
- Shifters: Shimano GRX 610, 12-speed.
- Chain: Shimano HG 7100, 12-speed.
- Crankset: Shimano GRX 610, 40T; crank arms 165 mm (47 cm), 170 mm (51 cm), 172.5 mm (54–56 cm), 175 mm (58–61 cm).
- Cassette: Shimano SLX M7100, 12-speed, 10-51T.
- Bottom bracket: Shimano BSA 68.
Brakes
- Brakes: Shimano GRX 410 hydraulic disc, 160 mm Shimano RT64 Center Lock rotors front and rear.
- Brake levers: Shimano GRX 410 hydraulic disc.
Wheels
- Rims: WTB ST i25 TCS 2.0, 28h, tubeless ready.
- Spokes: stainless steel, 14G.
- Wheel size: 700c.
- Hubs: Shimano TC500 Center Lock, front 12x100 mm, rear 12x142 mm, Micro Spline freehub body.
- Tires: WTB Vulpine TCS Light, 700x45c, tubeless ready.
Components
- Handlebar: Cannondale 3, butted 6061 aluminum, 16° flare, 120 mm drop; width 400 mm (47–51 cm), 420 mm (54–58 cm), 440 mm (61 cm).
- Stem: Cannondale C1 Conceal, aluminum, 31.8 mm, -6°; length 70 mm (47–51 cm), 80 mm (54 cm), 90 mm (56–58 cm), 100 mm (61 cm).
- Bar tape: Cannondale KnurlCork, 2.7 mm.
- Saddle: Selle Royal SRX Open, 145 mm width.
- Seatpost: Cannondale 3, 6061 aluminum, 27.2 mm diameter, 350 mm length.
Extra
- Tubeless valves and Conceal stem accessory/computer mount (Garmin/Wahoo/Hammerhead).
The Cannondale Topstone CAAD 1 GRX 1x is the premium single-ring, drop-bar build of the Topstone CAAD family. An aluminum gravel bike for riders who want a clean, simple drivetrain and quick, responsive handling when the pavement turns to dirt.
The SmartForm C1 aluminum frame and full-carbon fork strike an excellent balance of durability, precision and comfort. The Shimano GRX 1x12 drivetrain with a 10-51 cassette delivers a wide gear range with the simplicity of a single chainring, ideal for gravel, long distances and bikepacking.
Key features:
- SmartForm C1 aluminum frame: durable and lightweight, with suspension-ready geometry.
- Full-carbon fork: reduces front-end weight and improves precision and comfort.
- Shimano GRX 1x12 drivetrain: GRX 822 Shadow derailleur, GRX 610 shifters, 40T chainring and Shimano SLX 10-51 cassette to tackle any climb.
- Shimano GRX 410 hydraulic disc brakes: 160 mm rotors for controlled, confident braking on any surface.
- WTB ST i25 TCS 2.0 wheels and 45 mm WTB Vulpine TCS Light tires: tubeless ready, for speed and grip on asphalt and gravel.
- Cannondale C1 Conceal cockpit: cables routed through the stem and a computer mount for Garmin, Wahoo and Hammerhead.
- OutFront geometry: a stable front end at high speed and precise handling on technical sections.
- Plenty of mounts: for bottles, bags, racks, fenders and an 18 mm kickstand.
- Dynamo and dropper ready: StraightShot internal cable and dynamo routing and a 27.2 mm dropper-compatible seat tube.
Versatility for every adventure
From fast gravel rides to bikepacking trips, the Topstone CAAD 1 GRX 1x adapts to your needs. The threaded BSA bottom bracket, UDH derailleur hanger and thru-axles make it easy to maintain and customize over time.
Choose the Cannondale Topstone CAAD 1 GRX 1x at Pro-M Store and get ready to enjoy every gravel ride with performance, control and the freedom to explore.
TECHNICAL SPECIFICATIONS
Frameset
- Frame: Topstone CAAD, SmartForm C1 Alloy, 12x142 mm thru-axle, 27.2 mm dropper-compatible seat tube, 1.5" Acros-compatible headtube, 68 mm BSA threaded bottom bracket, Flat Mount disc with native 160 mm rotor mount, UDH hanger, StraightShot internal cable and dynamo routing, multiple bottle and gear mounts, 18 mm two-bolt kickstand mount, rack and fender compatible, suspension-ready geometry.
- Fork: Topstone Carbon, 1-1/8" to 1.5" steerer, 55 mm OutFront offset, Flat Mount disc, integrated cable and dynamo routing, 12x100 mm thru-axle, triple bottle/gear mounts, fender mounts.
- Headset: Acros IS52/40 ICR.
Drivetrain
- Rear derailleur: Shimano GRX 822 Shadow SGS, 12-speed.
- Shifters: Shimano GRX 610, 12-speed.
- Chain: Shimano HG 7100, 12-speed.
- Crankset: Shimano GRX 610, 40T; crank arms 165 mm (47 cm), 170 mm (51 cm), 172.5 mm (54–56 cm), 175 mm (58–61 cm).
- Cassette: Shimano SLX M7100, 12-speed, 10-51T.
- Bottom bracket: Shimano BSA 68.
Brakes
- Brakes: Shimano GRX 410 hydraulic disc, 160 mm Shimano RT64 Center Lock rotors front and rear.
- Brake levers: Shimano GRX 410 hydraulic disc.
Wheels
- Rims: WTB ST i25 TCS 2.0, 28h, tubeless ready.
- Spokes: stainless steel, 14G.
- Wheel size: 700c.
- Hubs: Shimano TC500 Center Lock, front 12x100 mm, rear 12x142 mm, Micro Spline freehub body.
- Tires: WTB Vulpine TCS Light, 700x45c, tubeless ready.
Components
- Handlebar: Cannondale 3, butted 6061 aluminum, 16° flare, 120 mm drop; width 400 mm (47–51 cm), 420 mm (54–58 cm), 440 mm (61 cm).
- Stem: Cannondale C1 Conceal, aluminum, 31.8 mm, -6°; length 70 mm (47–51 cm), 80 mm (54 cm), 90 mm (56–58 cm), 100 mm (61 cm).
- Bar tape: Cannondale KnurlCork, 2.7 mm.
- Saddle: Selle Royal SRX Open, 145 mm width.
- Seatpost: Cannondale 3, 6061 aluminum, 27.2 mm diameter, 350 mm length.
Extra
- Tubeless valves and Conceal stem accessory/computer mount (Garmin/Wahoo/Hammerhead).
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