Product Description
Cannondale Topstone 1 AL Obsidian
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