All details on Availability &
Size Recommendation can be found below the product specifications.
Discover new adventures. Discover freedom.
An incredibly capable and versatile gravel bike. Built to chase the horizon, explore new routes, or simply speed up your daily commute.
Model Description
The Topstone 3 is not bound by surface or convention. Its SmartForm C2 alloy frame combines strength and finesse, while the microSHIFT Sword drivetrain handles climbs and descents with dependable reliability. Generous tire clearance and thoughtful mounting options make it a trustworthy companion in the search for unknown roads and new experiences.
What it's built for
Gravel riding, exploration, bikepacking, fast commuting
Highlights
- Lightweight SmartForm C2 alloy frame with full carbon fork
- Smooth, reliable shifting with microSHIFT Sword 1x10 drivetrain and wide gear range
- Powerful, low-maintenance Promax Decode R mechanical disc brakes
- Selle Royal SRX Open saddle with supportive padding and pressure-relief center channel for comfort and performance
Product Specifications
Chassis
| Frame: | Lightweight Topstone SmartForm C2 alloy frame, Flat Mount disc brake mount, tapered head tube, 12x142mm thru-axle, StraightShot internal cable routing, multiple mounts for bottles and gear |
|---|---|
| Fork: | Topstone full carbon, 12x100mm thru-axle, internal cable routing, 1 1/8"–1.5" tapered steerer, 55mm rake |
| Shock: | - |
Drivetrain & Brakes
| Shifters: | microSHIFT Sword, 1x10-speed |
|---|---|
| Rear Derailleur: | microSHIFT Sword |
| Front Derailleur: | - |
| Crankset: | Prowheel Charm, 40T chainring |
| Bottom Bracket: | FSA 4-bolt, sealed |
| Pedals: | Not included (order here) |
| Chain: | KMC X10, 10-speed |
| Cassette: | microSHIFT, 10-speed, 11–48T |
| Brakes: | Promax Decode R mechanical disc brakes, 160mm rotors (front/rear) |
| Brake Levers: | microSHIFT Sword |
Wheels
| Front Hub: | Shimano TC500, 28H, 12x100mm thru-axle |
|---|---|
| Rear Hub: | Shimano TC500, 28H, 12x142mm thru-axle |
| Rims: | GXD 1.0, 28H |
| Tires: | WTB Riddler, TCS Light, 700x37c (subject to change to equivalent model) |
Components
| Stem: | Cannondale 3, 6061 alloy, +/- 7° rise, 31.8mm clamp |
|---|---|
| Handlebar: | Cannondale 3, 6061 alloy, 16° flare drop |
| Headset: | Integrated, 1 1/8"–1.5" |
| Saddle: | Selle Royal SRX Open |
| Seatpost: | Cannondale 3, 6061 alloy, 27.2 x 350mm |
| Other: | - |
Availability & Size Recommendation
XS
sold out
147 cm
165 cm
147–165 cm
SM
January 2026
160 cm
175 cm
160–175 cm
MD
in stock
170 cm
185 cm
170–185 cm
LG
sold out
177 cm
193 cm
177–193 cm
XL
January 2026
190 cm
203 cm
190–203 cm
Note: size ranges can overlap — in this case, personal preference applies. We are happy to advise you.
| Model year | 2023 |
| Intended use | Gravel |
| Wheel size | 28" |
| Frame material | Aluminum |
| Shifting type | Derailleur |
| Gears | 18 |