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.
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.
Gravel racers. URS if you want the adventure BMC.
BMC gravel-race bike. Lower and faster than URS, built for events.
CX racers. If you want gravel capability, look at Checkpoint or Checkmate instead.
A UCI cyclocross race bike with IsoSpeed on some generations. Tight, muddy, and built to be shouldered — not a Checkpoint with CX tires.
| Measurement |  SpecializedS-Works Crux 2026 |  SpecializedS-Works Crux 2025 |  BMCKaius 2023 |  TrekBoone 2022 |
|---|---|---|---|---|
| Stackmm | 578 | 578 | 586+8 | 583+5 |
| Reachmm | 400 | 397−3 | 397−3 | 394−6 |
| Head tube angle° | 71.5 | 72.0+0.5 | 71.5 | 72.0+0.5 |
| Seat tube angle° | 74.0 | 73.5−0.5 | 73.2−0.8 | 73.5−0.5 |
| Chainstaymm | 425 | 425 | 425 | 425 |
| Wheelbasemm | 1039 | 1036−3 | 1040+1 | 1038−1 |
| BB dropmm | 78 | 70−8 | 74−4 | 66−12 |
| BB heightmm | 280 | — | — | — |
| Standovermm | — | — | — | — |
| Part | S-Works Crux 56 | S-Works Crux 56 | Kaius 56 | Boone 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 |
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