Engineered Simplicity
Low-friction bushings on the Kingpin thru-axle offer smooth action, maintenance-free reliability and over 100 grams of weight savings vs conventional cartridge bearings.
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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.
Gravel and Dirt Roads, Rough Pavement, Trails
Gravel riding, back road exploring, bike packing and off-road adventures
Low-friction bushings on the Kingpin thru-axle offer smooth action, maintenance-free reliability and over 100 grams of weight savings vs conventional cartridge bearings.
The new dropped chainstay design lets you run big volume tires (up to 700x45mm or 27.5x2.1, with 6mm of mud-shedding clearance on each side), all with a standard dish rear wheel for easy interchangeability.
Model Code | C15402U |
Name | Topstone Carbon 4 |
Category | Road |
Platform | Topstone |
Segment | Gravel |
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 |
Rear Shock | Null |
Rims | WTB ST i23 TCS, 700c, 28h, tubeless ready |
Hubs | (F) Formula cartridge bearing, 12x100mm, centerlock / (R) Formula cartridge bearing, 12x142mm, centerlock |
Spokes | Stainless Steel, 14g |
Tires | WTB Riddler Comp, 700 x 45c (Europe/UK - Vittoria Terreno Dry 700 x 40c) |
Pedals | Not included |
Crank | Shimano GRX 600, 46/30 (Europe/UK - FSA Gossamer Pro Modular AGX+, 46/30) |
Bottom Bracket | Shimano BSA 68 |
Chain | KMC X10, 10-speed |
Rear Cogs | Shimano HG500, 11-34, 10-speed |
Front Derailleur | Shimano GRX 400, braze-on |
Rear Derailleur | Shimano GRX 400, Shadow RD+ |
Shifters | Shimano GRX 400, 10-speed |
Handlebar | Cannondale 3, butted 6061 Alloy, 16 deg flare drop |
Grips | Fizik Solocush Soft, 3mm |
Stem | Cannondale 3, 6061 Alloy, 31.8, 7° |
Headset | Integrated, 1-1/8 - 1-1/2 |
Brakes | Shimano GRX 400 hydraulic disc, 160/160mm RT54 rotors |
Brake Levers | Shimano GRX 400 hydraulic disc |
E-bike Display | Null |
E-Bike Battery | Null |
E-bike Charger | Null |
E-bike Drive Unit | Null |
Saddle | Fizik Aliante Delta, S-alloy rails |
Seatpost | Cannondale 3, 6061 Alloy, 27.2 x 350mm |
Speeds | 20 |
Weight | |
Chain Device | Null |
Connectivity | Cannondale Wheel Sensor |
Fork Travel | Null |
Frame Travel | 30mm |
Extras | StrapRack toolholder |
Please be aware that the images and description above are usually supplied by the brand / manufacturer and are in no way affiliated with Cycle Centre Congleton Limited T/A CycleStore. Cycle Centre Congleton Limited T/A CycleStore only resell items from third parties and do not design or manufacture any products.
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