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
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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