2019 Specialized Crux vs 2021 Trek Boone Disc
The 47 is the Trek Boone Disc size closest to your 46 Specialized Crux. 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 Trek Boone Disc
Compared with the Specialized Crux in 46, the Trek Boone Disc in 47 places the top of the head tube 4 mm lower and 5 mm further forward, relative to the bottom bracket. Its wheelbase is 12 mm shorter, which can contribute to quicker direction changes.
- Frame stack
- −4 mm
- Lower front end
- Frame reach
- +5 mm
- Longer frame reach
- Wheelbase
- −12 mm
- Shorter: quicker to change direction
- Head angle
- +1.3°
- Steeper: sharper steering
- Chainstays
- ±0 mm
- About the same
The two frames
Only the Specialized Crux is drawn. The Trek Boone Disc numbers we have for size 47 are missing the seat angle.
Geometry side by side
| Measurement | Specialized Crux 46 | Trek Boone Disc 47 | Difference |
|---|---|---|---|
| Reach | 366mm | 371 | +5 mm |
| Stack | 523mm | 519 | −4 mm |
| Head tube angle | 69.5° | 70.8° | +1.3° |
| Seat tube angle | 75.5° | not listed | |
| Effective top tube | 501mm | 507 | +6 mm |
| Chainstay length | 425mm | 425 | ±0 mm |
| Wheelbase | 1007mm | 995 | −12 mm |
| BB drop | 71mm | 70 | −1 mm |
| BB height | 281.5mm | not listed | |
| Standover | 763.5mm | 724 | −40 mm |
| Seat tube length | 470mm | 444 | −26 mm |
| Fork length | 400mm | not listed | |
| Head tube length | 100mm | 95 | −5 mm |
Differences are the Trek Boone Disc minus the Specialized Crux. Full charts: 2019 Specialized Crux, 2021 Trek Boone Disc.
Where each sits in its class
Specialized CruxTrek Boone Disc
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 | Specialized CruxS-Works | Trek Boone Disc6 Disc |
|---|---|---|
| Shifter | Shimano Dura-Ace R9170 Di2 shift | Shimano GRX RX810 |
| Derailleur | Shimano XTR M9050 Di2 | Shimano GRX RX810 |
| Cassette | Shimano Ultegra | Shimano Ultegra HG800-11 |
| Chain | Shimano Dura-Ace | Shimano Ultegra HG701 |
| Crankset | Specialized S-Works Power | Shimano GRX RX810 |
| Chainring | Praxis Wave Tech | not listed |
| Wheelset | Roval CLX 50 | Bontrager Paradigm Comp 25 |
| Tire | Specialized Tracer Pro | Bontrager CX3 Team Issue |
| Brake | Shimano Dura-Ace | Shimano GRX |
| Saddle | Specialized S-Works Phenom | Bontrager P3 Verse |
| Frame | not listed | Trek OCLV |
| Fork | not listed | Trek IsoSpeed Cross |
| Bottom bracket | not listed | Trek BB90 |
| Handlebar | not listed | Bontrager Elite IsoZone VR-CF |
| Seatpost | not listed | Bontrager Seatmast Cap |
Know what is on every bike.
Add your bike to Quiver. Keep its parts, setup, and service history together, then share your build.
Explore the app
