BMC Kaius
Gravel racers. URS if you want the adventure BMC.
BMC gravel-race bike. Lower and faster than URS, built for events.
Gravel racers. URS if you want the adventure BMC.
BMC gravel-race bike. Lower and faster than URS, built for events.
Gravel racers. URS if you want the adventure BMC.
BMC gravel-race bike. Lower and faster than URS, built for events.
CX and gravel racers who size like a road-race bike. If you want Future Shock and mounts, Diverge is the sibling.
The light gravel/CX race bike: lower and snappier than Diverge, with less adventure hardware. It feels like a Tarmac that grew tire clearance.
CX and gravel racers who size like a road-race bike. If you want Future Shock and mounts, Diverge is the sibling. The S-Works kit is the halo build — same geometry as the non-S-Works page for this year, different parts.
The light gravel/CX race bike: lower and snappier than Diverge, with less adventure hardware. It feels like a Tarmac that grew tire clearance.
| Measurement | ![]() BMCKaius 2024 | ![]() BMCKaius 2023 | ![]() SpecializedCrux 2027 | ![]() SpecializedS-Works Crux 2026 |
|---|---|---|---|---|
| Stackmm | 586 | 586 | 578−8 | 578−8 |
| Reachmm | 397 | 397 | 400+3 | 400+3 |
| Head tube angle° | 71.5 | 71.5 | 71.5 | 71.5 |
| Seat tube angle° | 73.2 | 73.2 | 74.0+0.8 | 74.0+0.8 |
| Chainstaymm | 425 | 425 | 425 | 425 |
| Wheelbasemm | 1040 | 1040 | 1039−1 | 1039−1 |
| BB dropmm | 74 | 74 | 78+4 | 78+4 |
| BB heightmm | — | — | 280 | 280 |
| Standovermm | — | — | — | — |
| Part | Kaius 56 | Kaius 56 | Crux 56 | S-Works Crux 56 |
|---|---|---|---|---|
| Stem | 100 mm | 100 mm | 100 mm | 100 mm |
| Bar | 420 mm | 420 mm | 420 mm | 420 mm |
| Crank | 172.5 mm | 172.5 mm | 172.5 mm | 172.5 mm |
Specialized Crux Pro Build Details. Price: $8,000. Weight: 17.6lbs. Style: Cyclocross or Gravel Race Bike Wheel Size: 700c. Frame: CruX FACT 10r Carbon, Rider ...
The Specialized S-Works Crux is a ruthless distillation of performance gravel. Crazy light, stiff, dressed in top-end parts and a power meter, ...
The fifth-generation Crux gets more aero, more tire clearance, and geometry aimed squarely at modern gravel racing, but it still delivers the quick, lively ride that made the ol…
The Specialized Crux has proved one of the most popular gravel bikes of the past half-decade. Its low weight and classic look effectively made it an Aethos for the rough stuff a…