2021 Trek Boone Disc vs 2021 Specialized Crux Pro
The 49 is the Specialized Crux Pro size closest to your 50 Trek Boone Disc. We match frame stack and reach. This is a geometry comparison, not a fit recommendation; stem, spacers, handlebars and saddle setup also affect your riding position.
What changes on the Specialized Crux Pro
Compared with the Trek Boone Disc in 50, the Specialized Crux Pro in 49 places the top of the head tube 6 mm higher and 6 mm further back, relative to the bottom bracket. Its wheelbase is 6 mm longer, which can contribute to stability at speed.
- Frame stack
- +6 mm
- Higher front end
- Frame reach
- −6 mm
- Shorter frame reach
- Wheelbase
- +6 mm
- Longer: steadier at speed
- Head angle
- −0.5°
- Slacker: calmer steering
- Chainstays
- ±0 mm
- About the same
The two frames
We can't draw these frames yet. The Trek Boone Disc numbers we have for size 50 are missing the seat angle. The numbers below still compare.
Geometry side by side
| Measurement | Trek Boone Disc 50 | Specialized Crux Pro 49 | Difference |
|---|---|---|---|
| Reach | 375 | 369mm | −6 mm |
| Stack | 534 | 540mm | +6 mm |
| Head tube angle | 71.0° | 70.5° | −0.5° |
| Effective top tube | 518 | not listed | |
| Chainstay length | 425 | 425mm | ±0 mm |
| Wheelbase | 1001 | 1007mm | +6 mm |
| BB drop | 70 | 71mm | +1 mm |
| Standover | 747 | 781.5mm | +35 mm |
| Seat tube length | 476 | 490mm | +14 mm |
| Head tube length | 110 | 115mm | +5 mm |
| Seat tube angle | not listed | 75.5° | |
| BB height | not listed | 281.5mm | |
| Fork length | not listed | 400mm |
Differences are the Specialized Crux Pro minus the Trek Boone Disc. Full charts: 2021 Trek Boone Disc, 2021 Specialized Crux Pro.
Where each sits in its class
Trek Boone DiscSpecialized Crux Pro
Each bike is ranked against the other gravel bikes on Quiver, on frame geometry alone. Not your hand position or ride feel.
What each ships with
The stock build of each bike's first listed trim. Parts that match are dimmed.
| Part | Trek Boone Disc6 Disc | Specialized Crux ProPro |
|---|---|---|
| Frame | Trek OCLV | not listed |
| Fork | Trek IsoSpeed Cross | not listed |
| Shifter | Shimano GRX RX810 | SRAM Force eTap AXS |
| Derailleur | Shimano GRX RX810 | SRAM Force eTAP AXS |
| Cassette | Shimano Ultegra HG800-11 | SRAM Force |
| Chain | Shimano Ultegra HG701 | SRAM Force |
| Crankset | Shimano GRX RX810 | SRAM Force |
| Bottom bracket | Trek BB90 | SRAM DUB |
| Wheelset | Bontrager Paradigm Comp 25 | Roval Terra CL |
| Tire | Bontrager CX3 Team Issue | Specialized Tracer Pro |
| Brake | Shimano GRX | SRAM Rival 1 |
| Handlebar | Bontrager Elite IsoZone VR-CF | not listed |
| Seatpost | Bontrager Seatmast Cap | Roval Terra |
| Saddle | Bontrager P3 Verse | Specialized Power |
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