Trek Boone
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.
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.
Sportive and rough-road riders who found R5/S5 too low.
Cervelo endurance road: taller, more tire room, all-day. It is not a slow bike — it is an R5 that sat up.
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.
| Measurement | TumbleweedProspector 2019 |  TrekBoone 2027 |  CerveloCaledonia 2022 |  SpecializedCrux 2023 |
|---|---|---|---|---|
| Stackmm | 598 | 580−18 | 595−3 | 578−20 |
| Reachmm | 388 | 387−1 | 387−1 | 397+9 |
| Head tube angle° | 71.0 | 72.0+1.0 | 72.0+1.0 | 72.0+1.0 |
| Seat tube angle° | 73.0 | 73.6+0.6 | 73.0 | 73.5+0.5 |
| Chainstaymm | 445 | 425−20 | 415−30 | 425−20 |
| Wheelbasemm | 1078 | 1020−58 | 1022−56 | 1036−42 |
| BB dropmm | 72 | 66−6 | 74+2 | 70−2 |
| BB heightmm | — | — | — | — |
| Standovermm | — | — | — | — |
| Part | Prospector L | Boone 56 | Caledonia 56 | Crux 56 |
|---|---|---|---|---|
| Stem | 110 mm | 100 mm | 100 mm | 100 mm |
| Bar | 440 mm | 420 mm | 420 mm | 420 mm |
| Crank | 175 mm | 172.5 mm | 172.5 mm | 172.5 mm |
What Cervelo's designers like to say is that they've decoupled fit from handling. What does that mean? The Caledonia fits exactly like the traditional R3. For ...
It also limits aftermarket upgrade compatibility, and Cervélo states its own stems and handlebars must be used. Cervelo Caledonia-5. A centrally-positioned out- ...
The Specialized Crux Expert is a lightweight and fun gravel bike that handles well, but it's held back by an uncompetitive build for the high asking price.
Specialized says: “The Crux is the lightest gravel bike in the world, with the exceptional capability of massive tire clearance and performance gravel geometry.
