Cannondale Topstone Carbon 4
$1,409.00
Cannondale Topstone Carbon 4 is a gravel bike with a Topstone Carbon frameset, Kingpin suspension system, Shimano GRX 400 10-speed shifting, and Shimano GRX hydraulic disc brakes. WTB ST i23 TCS tubeless ready rims, 700x45c tires, and multiple gear/bottle mounts support gravel roads, rough pavement, and trails.
| Color | Smoke Black |
|---|
Cannondale Topstone Carbon 4 Overview
Cannondale Topstone Carbon 4 is a gravel bike built with a Topstone Carbon frameset, Kingpin suspension system, Shimano GRX 400 10-speed shifting, and Shimano GRX hydraulic disc brakes. The frame includes SmartSense compatibility, Proportional Response construction, DirectLine internal cable routing, 12x142mm thru-axle, 27.2 dropper post readiness, BSA 68mm threaded bottom bracket, removable fender bridge, and multiple gear and bottle mounts.
The drivetrain uses a Shimano GRX 400 Shadow RD+ rear derailleur, Shimano GRX 400 braze-on front derailleur, Shimano GRX 400 10-speed shifters, KMC X10 10-speed chain, Shimano GRX 600 46/30 crank, and SunRace 11-36 10-speed cassette. Shimano GRX 400 hydraulic disc brakes with 160/160mm RT54 rotors provide controlled braking for gravel roads, rough pavement, and trails.
The wheel setup includes WTB ST i23 TCS 700c tubeless ready rims with 28h drilling, stainless steel 14g spokes, Formula cartridge bearing centerlock hubs, and WTB Riddler Comp 700x45c tires. Europe/UK builds use Vittoria Terreno Dry 700x40c tires. Finishing parts include a Cannondale 3 butted 6061 alloy flared handlebar, Cannondale 3 alloy stem, Cannondale bar tape, Fizik Aliante Delta saddle, and Cannondale 3 alloy seatpost.
Key Features of Cannondale Topstone Carbon 4
- Topstone Carbon frame includes Kingpin suspension, SmartSense compatibility, and Proportional Response construction.
- DirectLine internal cable routing, removable fender bridge, and multiple gear/bottle mounts support practical gravel setup options.
- Topstone Carbon fork includes internal routing, triple bottle/gear mounts, fender mounts, and a 12×100 thru-axle.
- Shimano GRX 400 10-speed drivetrain pairs a 46/30 crank with an 11-36 cassette.
- Shimano GRX 400 hydraulic disc brakes use 160/160mm RT54 rotors for controlled braking.
- WTB ST i23 TCS 700c rims are tubeless ready and paired with Formula cartridge bearing hubs.
- WTB Riddler Comp 700x45c tires support gravel roads, rough pavement, and trails.
- StrapRack tool/stuff holder is included for carrying small ride essentials.
Ride Use
This bike is built for gravel riding, back road exploring, bikepacking, and off-road adventures. Its Topstone Carbon frameset, Kingpin suspension, Shimano GRX drivetrain, hydraulic disc brakes, multiple mounts, and 700x45c tires support gravel and dirt roads, rough pavement, and trails.
Why Choose This Bike
Choose the Cannondale Topstone Carbon 4 for a carbon gravel platform with Kingpin suspension, Shimano GRX 400 10-speed shifting, Shimano GRX hydraulic disc brakes, and WTB ST i23 TCS tubeless ready rims. The Topstone Carbon fork, multiple gear and bottle mounts, removable fender bridge, 700x45c WTB Riddler Comp tires, StrapRack tool/stuff holder, and Smoke Black finish make it a practical build for gravel riding, back road exploring, bikepacking, and off-road adventures. Cannondale limited warranty covers frames, swing arms, chainstays, seatstays, full suspension shock links, and fork structure for the lifetime of the product. Paint, decals, and Cannondale branded components are covered for one year.
Product Specifications
| Feature | Details |
|---|---|
| Platform | Topstone Carbon |
| Model Name | Topstone Carbon 4 |
| Model Code | C15402U |
| Color | Smoke Black |
| 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" |
| 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 | Shimano GRX 600, 46/30 |
| Rear Cogs | SunRace, 11-36, 10-speed |
| Bottom Bracket | Shimano BSA 68 |
| Brakes | Shimano GRX 400 hydraulic disc, 160/160mm RT54 rotors |
| Brake Levers | Shimano GRX 400 hydraulic disc |
| Rims | WTB ST i23 TCS, 700c, 28h, tubeless ready |
| Spokes | Stainless Steel, 14g |
| Hubs | (F) Formula cartridge bearing, 12x100mm centerlock / (R) Formula cartridge bearing, 12x142mm centerlock |
| Wheel Size | 700c |
| Tire Size | 45 |
| 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 |
| 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 |
| Extra | StrapRack tool/stuff holder |
| Manufacturer Warranty | Cannondale limited warranty covers frames, swing arms, chainstays, seatstays, full suspension shock links, and fork structure for the lifetime of the product. Paint, decals, and Cannondale branded components are covered for one year. |
FAQ's Cannondale Topstone Carbon 4
What frame does the Cannondale Topstone Carbon 4 use?
The Cannondale Topstone Carbon 4 uses a Topstone Carbon frame with Kingpin suspension system, SmartSense compatibility, and Proportional Response construction. It includes a 12x142mm thru-axle, 27.2 dropper post readiness, BSA 68mm threaded bottom bracket, DirectLine internal cable routing, removable fender bridge, and multiple gear and bottle mounts.
What drivetrain comes on the Cannondale Topstone Carbon 4?
The bike uses a Shimano GRX 400 10-speed drivetrain. It includes a Shimano GRX 400 Shadow RD+ rear derailleur, Shimano GRX 400 braze-on front derailleur, Shimano GRX 400 10-speed shifters, KMC X10 chain, Shimano GRX 600 46/30 crank, and SunRace 11-36 cassette.
Does the Cannondale Topstone Carbon 4 have hydraulic disc brakes?
Yes. The Cannondale Topstone Carbon 4 uses Shimano GRX 400 hydraulic disc brakes with 160/160mm RT54 rotors. The brake levers are Shimano GRX 400 hydraulic disc levers.
What wheels and tires are included with the Cannondale Topstone Carbon 4?
The bike comes with WTB ST i23 TCS 700c 28h tubeless ready rims, stainless steel spokes, and Formula cartridge bearing centerlock hubs. It uses WTB Riddler Comp 700x45c tires, while Europe/UK builds use Vittoria Terreno Dry 700x40c tires.
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