Cannondale Topstone Carbon 4 is a carbon gravel bike equipped with Shimano GRX 2×10.
- Kingpin rear suspension system with 30mm of travel
- solid axle front and rear
- hydraulic disc brakes
- 700C diameter wheels
| Frame | Topstone Carbon, Kingpin suspension system, SmartSense compatible, 12x142mm thru-axle, 27.2 dropper post ready, BSA 68mm threaded BB, DirectLine internal cable routing, removable fender bridge, multiple gear/bottlemounts |
| Fork | Topstone Carbon, 1-1/8″ to 1.5″ steerer, 55mm OutFront offset, flat mount disc, internal routing, 12×100 thru-axle, triple bottle/gear mounts, fender mounts |
| Cranks | Shimano GRX 600, 46/30 |
| Central composition | Shimano BSA 68 |
| Derailleur | Shimano GRX 400, braze-on |
| Derailleur | Shimano GRX 400, Shadow RD+ |
| Sorting | Shimano GRX400, 10-speed |
| Cassette | Shimano HG500, 11-34, 10-speed |
| Chain | KMC X10, 10-speed |
| Rims | WTB ST i23 TCS, 700c, 28h, tubeless ready |
| Coats | WTB Riddler Comp, 700 x 45c |
| Bullets | (F) Formula cartridge bearing, 12x100mm, centerlock / (R) Formula cartridge bearing, 12x142mm, centerlock |
| Wires | stainless steel,14g |
| Brakes | Shimano GRX 400 hydraulic disc, 160/160mm RT54 rotors |
| Brake levers | Shimano GRX 400 hydraulic disc |
| Handlebars | Cannondale 3, butted 6061 Alloy, 16 deg flare drop |
| Stem | Cannondale 3, 6061 Alloy, 31.8, 7° |
| Flu | Fizik Solocush Soft, 3mm |
| Head composition | Integrated, 1-1/8″ -1-1/2″ |
| Seat | Fizik Aliante Delta, S-alloy rails |
| Seat post | Cannondale 3, 6061 Alloy, 27.2 x 350mm |






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