| Model number | C15500M |
| Model name | Topstone Carbon Ultegra RX 2 |
| Frame | All-New, BallisTec Carbon, Kingpin suspension system, Proportional Response size-specific construction, Directline internal cable routing, BB30-83 Ai, 142x12 Speed Release thru-axle, flat-mount disc, removable fender bridge, multiple gear/bottle mounts, dropper post compatible |
| Fork | All-New, BallisTec Carbon, 55mm OutFront offset, SAVE, 1-1/8" to 1.5" steerer, integrated crown race, Directline internal routing, 12x100mm Speed Release thru-axle, flat mount disc, gear/rack/fender mounts |
| Rims | WTB KOM Light i23 TCS, 28h, tubeless ready |
| Hubs | (F) Formula CL-712, 12x100 centerlock / (R) Formula RXC-400, 12x142 centerlock |
| Spokes | Stainless Steel, 14g (Ai Offset Dish - rear) |
| Tires | WTB Riddler TCS Light, 700 x 37c, tubeless ready |
| Pedals | Not Included |
| Crank | Cannondale 1, BB30a, FSA rings, 46/30 |
| Bottom Bracket | Cannondale Alloy PressFit30 |
| Chain | Shimano HG601, 11-speed |
| Rear Cogs | Shimano 105, 11-34, 11-speed |
| Front Derailleur | Shimano Ultegra, braze-on |
| Rear Derailleur | Shimano Ultegra RX |
| Shifters | Shimano Ultegra hydro disc, 2x11 |
| Handlebar | Cannondale 3, butted 6061 alloy, 16 deg flare drop |
| Grips | Cannondale Grip Bar Tape w/Gel, 3.5mm |
| Stem | Cannondale 2, 6061 alloy, 31.8, 6¡ |
| Headset | Integrated, 1.5" lower to 1-1/8" upper w/ reducer, 25mm Alloy top cap |
| Brakes | Shimano Ultegra hydro disc, 160/160mm RT54 rotors |
| Brake Levers | Shimano Ultegra hydro disc |
| Saddle | Fabric Scoop Radius Elite, cro-mo rails |
| Seatpost | Cannondale 2, carbon, 27.2 x 350mm |
| Sizes Available | XS, S, M, L, XL |
| Connectivity | Wheel Sensor |
