Factor LS
Gravel racers shopping Factor.
Factor gravel. Race-leaning drop-bar, not a touring frame.
Gravel racers shopping Factor.
Factor gravel. Race-leaning drop-bar, not a touring frame.
Gravel racers shopping Factor.
Factor gravel. Race-leaning drop-bar, not a touring frame.
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.
Gravel racers. URS if you want the adventure BMC.
BMC gravel-race bike. Lower and faster than URS, built for events.
| Measurement |  FactorLS 2024 | FactorLS 2023 |  SpecializedCrux 2026 |  BMCKaius 2023 |
|---|---|---|---|---|
| Stackmm | 586 | 586 | 578−8 | 586 |
| Reachmm | 391 | 391 | 400+9 | 397+6 |
| Head tube angle° | 72.0 | 72.0 | 71.5−0.5 | 71.5−0.5 |
| Seat tube angle° | 73.2 | 73.2 | 74.0+0.8 | 73.2 |
| Chainstaymm | 420 | 420 | 425+5 | 425+5 |
| Wheelbasemm | 1038 | 1038 | 1039+1 | 1040+2 |
| BB dropmm | 74 | 74 | 78+4 | 74 |
| BB heightmm | — | — | 280 | — |
| Standovermm | — | — | — | — |
| Part | LS 56 | LS 56 | Crux 56 | Kaius 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 |
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…