2015 Specialized Crux Expert vs 2017 Trek Boone Disc
The 52 is the Trek Boone Disc size closest to your 52 Specialized Crux Expert. 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 Expert in 52, the Trek Boone Disc in 52 places the top of the head tube 7 mm lower and 3 mm further forward, relative to the bottom bracket. Its wheelbase is 4 mm shorter, which can contribute to quicker direction changes.
- Frame stack
- −7 mm
- Lower front end
- Frame reach
- +3 mm
- Longer frame reach
- Wheelbase
- −4 mm
- Shorter: quicker to change direction
- Head angle
- ±0.0°
- About the same head angle
- Chainstays
- ±0 mm
- About the same
The two frames
Only the Specialized Crux Expert is drawn. The Trek Boone Disc numbers we have for size 52 are missing the seat angle.
Geometry side by side
| Measurement | Specialized Crux Expert 52 | Trek Boone Disc 52 | Difference |
|---|---|---|---|
| Reach | 376mm | 379 | +3 mm |
| Stack | 554mm | 547 | −7 mm |
| Head tube angle | 71.5° | 71.5° | ±0.0° |
| Seat tube angle | 74° | not listed | |
| Effective top tube | 537mm | 531 | −6 mm |
| Chainstay length | 425mm | 425 | ±0 mm |
| Wheelbase | 1009mm | 1005 | −4 mm |
| BB drop | 71mm | 70 | −1 mm |
| Standover | 795mm | 761 | −34 mm |
| Seat tube length | 510mm | 493 | −17 mm |
| Head tube length | 125mm | 123 | −2 mm |
Differences are the Trek Boone Disc minus the Specialized Crux Expert. Full charts: 2015 Specialized Crux Expert, 2017 Trek Boone Disc.
Where each sits in its class
Specialized Crux ExpertTrek 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 Crux ExpertExpert | Trek Boone Disc5 Disc |
|---|---|---|
| Shifter | Shimano Ultegra | Shimano RS685 |
| Derailleur | Shimano Ultegra | Shimano 105 |
| Cassette | Shimano Ultegra | Shimano 105 |
| Chain | Shimano Ultegra | Shimano 105 |
| Wheelset | Specialized AXIS 4.0 | not listed |
| Tire | Specialized Terra Pro | Bontrager CX3 Team Issue |
| Brake | TRP HY/RD | Shimano RS685 |
| Saddle | Specialized Phenom Comp | Bontrager Paradigm |
| Frame | not listed | Trek OCLV |
| Fork | not listed | Trek IsoSpeed Cross |
| Crankset | not listed | FSA Energy Cross |
| Bottom bracket | not listed | Trek BB90 |
| Handlebar | not listed | Bontrager VR-C |
| Seatpost | not listed | Bontrager Tuned |
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