Cannondale
Topstone Alloy 1 GRX 820/600 2x12
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Geometry
Geometry
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Geometry
Geometry
Frame geometry
| Geometry | LG | MD | SM | XL | XS |
|---|---|---|---|---|---|
| Stack | 610mm | 579mm | 549mm | 640mm | 518mm |
| Reach | 394mm | 385mm | 377mm | 402mm | 368mm |
| Headtube length | 180mm | 147mm | 115mm | 212mm | 86mm |
| Headtube angle | 71deg | 71deg | 71deg | 71deg | 70deg |
| BB height | 284mm | 284mm | 284mm | 280mm | 280mm |
| BB drop | 75mm | 75mm | 75mm | 75mm | 75mm |
| Trail | 65mm | 65mm | 65mm | 65mm | 72mm |
| Fork length | — | — | — | — | — |
| Fork offset | 55mm | 55mm | 55mm | 55mm | 55mm |
| Front center | 641mm | 621mm | 603mm | 659mm | 593mm |
| Chainstay length | 435mm | 435mm | 435mm | 435mm | 435mm |
| Wheelbase | 1065mm | 1045mm | 1027mm | 1083mm | 1016mm |
| Top tube | 572mm | 557mm | 544mm | 587mm | 533mm |
| Standover height | 824mm | 784mm | 744mm | 864mm | 703mm |
| Seat tube length | 553mm | 505mm | 458mm | 600mm | 410mm |
| Seat tube angle | 73.1deg | 73.1deg | 73.1deg | 73.1deg | 73.1deg |
Spec geometry
| Geometry | LG | MD | SM | XL | XS |
|---|---|---|---|---|---|
| Crank length | — | — | — | — | — |
| Stem length | 100mm | 90mm | 90mm | 100mm | 80mm |
| Handlebar width | 440mm | 420mm | 420mm | 440mm | 400mm |
| Handlebar reach | — | — | — | — | — |
| Handlebar drop | — | — | — | — | — |
| Saddle width | — | — | — | — | — |
| Dropper post travel | — | — | — | — | — |
| Seatpost offset | — | — | — | — | — |
Specs
Full specs
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Specs
Full specs
Frame
Frame
Topstone, lightweight SmartForm C2 Alloy, 12x142 thru-axle, tapered headtube, BSA threaded BB, flat mount disc, StraightShot internal cable routing, multiple gear/bottle mounts
Suspension
Fork
Topstone Carbon, 1-1/8" to 1.5" steerer, 55mm OutFront offset, flat mount disc, internal routing, 12x100 thru-axle, fender/gear mounts
Brakes
Front brake
Shimano GRX 400 hydraulic disc
Rear brake
Shimano GRX 400 hydraulic disc
Front rotor
160mm Shimano RT64 (Center Lock)
Rear rotor
160mm Shimano RT64 (Center Lock)
Drivetrain
Shift levers
Shimano GRX 600, 12-speed
Rear derailleur
Shimano GRX 820, Shadow RD+
Front derailleur
Shimano GRX 820
Cassette
Shimano HG R7100, 12-speed, 11-34
Chain
Shimano HG M7100, 12-speed
Crankset
Shimano GRX 600, 46/30
Bottom bracket
Shimano BSA 68
Cockpit
Stem
Cannondale 3, 6061 Alloy, 31.8, 7°: 80mm (XS), 90mm (SM-MD), 100mm (LG-XL)
Handlebars
Cannondale 3, butted 6061 Alloy, 16° flare drop: 400mm (XS), 420mm (SM-MD), 440mm (LG-XL)
Grips
Cannondale Bar Tape, 3.5mm
Saddle
Fizik Aliante Delta, S-alloy rails
Seatpost
Cannondale 3, 6061 Alloy, 27.2x350mm
Wheels & Tires
Front wheel
WTB ST i23 TCS, 28h, tubeless ready; Formula cartridge bearing, 12x100mm, Center Lock; Stainless steel, 14g
Rear wheel
WTB ST i23 TCS, 28h, tubeless ready; Formula cartridge bearing, 12x142mm, Center Lock; Stainless steel, 14g
Front tire
WTB Riddler TCS Light, 700x37c, tubeless ready
Rear tire
WTB Riddler TCS Light, 700x37c, tubeless ready