Cannondale Topstone Carbon 4
Nothing is impassable
The best gravel bike for anything from dirt roads to singletrack trails. With the grip and comfort of the Kingpin suspension, nothing is off-limits.
Where it thrives
Gravel and Dirt Roads, Rough Pavement, Trails
What it's built for
Gravel riding, back road exploring, bike packing and off-road adventures
Highlights
- Lightweight Topstone Carbon frameset with Kingpin suspension, SmartSense compatible / Integrated Cannondale App connectivity
- Shimano GRX 400 10-speed shifting & hydraulic disc brakes
- WTB ST i23 TCS rims
Specs
DETAILS
- Platform
Topstone Carbon
- Model Name
Topstone Carbon 4
- Model Code
C15402U
FRAMESET
- Frame
Topstone Carbon, Kingpin suspension system, SmartSense compatible, Proportional Response construction, 12x142mm thru-axle, 27.2 dropper post ready, BSA 68mm threaded BB, DirectLine internal cable routing, removable fender bridge, 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, triple bottle/gear mounts, fender mounts
- Headset
Integrated, 1-1/8" - 1.5"
DRIVETRAIN
- Rear Derailleur
Shimano GRX 400, Shadow RD+
- Front Derailleur
Shimano GRX 400, braze-on
- Shifters
Shimano GRX 400, 10-speed
- Chain
KMC X10, 10-speed
- Crank
FSA Gossamer Pro Modular AGX+, 46/30
- Rear Cogs
SunRace, 11-36, 10-speed
- Bottom Bracket
FSA Mega EXO
BRAKES
- Brakes
Shimano GRX 400 hydraulic disc, 160/160mm RT54 rotors
- Brake Levers
Shimano GRX 400 hydraulic disc
WHEELS
- Rims
WTB ST i23 TCS, 700c, 28h, tubeless ready
- Spokes
Stainless Steel, 14g
- Tire Size
45
- Wheel Size
700c
- Hubs
(F) Formula cartridge bearing, 12x100mm centerlock / (R) Formula cartridge bearing, 12x142mm centerlock
- Tires
WTB Riddler Comp, 700x45c (Europe/UK - Vittoria Terreno Dry 700x40c)
- Front Tire
WTB Riddler Comp, 700x45c (Europe/UK - Vittoria Terreno Dry 700x40c)
- Rear Tire
WTB Riddler Comp, 700x45c (Europe/UK - Vittoria Terreno Dry 700x40c)
COMPONENTS
- Handlebar
Cannondale 3, butted 6061 Alloy, 16 deg flare drop
- Stem
Cannondale 3, 6061 Alloy, 31.8, 7°
- Grips
Fizik Solocush Soft, 3mm
- Saddle
Fizik Aliante Delta, S-alloy rails
- Seatpost
Cannondale 3, 6061 Alloy, 27.2x350mm
CONNECTIVITY
- Wheel Sensor
Cannondale Wheel Sensor
EXTRA
- Extra 1
StrapRack tool/stuff holder
- Platform