2015 Specialized Crux Expert vs 2017 Trek Crockett Disc Frameset
The 58 is the Trek Crockett Disc Frameset size closest to your 58 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 Crockett Disc Frameset
Compared with the Specialized Crux Expert in 58, the Trek Crockett Disc Frameset in 58 places the top of the head tube at about the same height and 4 mm further forward, relative to the bottom bracket. Its wheelbase is 3 mm longer, which can contribute to stability at speed.
- Frame stack
- ±0 mm
- About the same height
- Frame reach
- +4 mm
- Longer frame reach
- Wheelbase
- +3 mm
- Longer: steadier at speed
- Head angle
- −0.2°
- About the same head angle
- Chainstays
- ±0 mm
- About the same
The two frames
Only the Specialized Crux Expert is drawn. The Trek Crockett Disc Frameset numbers we have for size 58 are missing the seat angle.
Geometry side by side
| Measurement | Specialized Crux Expert 58 | Trek Crockett Disc Frameset 58 | Difference |
|---|---|---|---|
| Reach | 387mm | 391 | +4 mm |
| Stack | 597mm | 597 | ±0 mm |
| Head tube angle | 72.5° | 72.3° | −0.2° |
| Seat tube angle | 73° | not listed | |
| Effective top tube | 570mm | 570 | ±0 mm |
| Chainstay length | 425mm | 425 | ±0 mm |
| Wheelbase | 1025mm | 1028 | +3 mm |
| BB drop | 67mm | 65 | −2 mm |
| Standover | 841mm | 816 | −25 mm |
| Seat tube length | 570mm | 553 | −17 mm |
| Head tube length | 170mm | 176 | +6 mm |
Differences are the Trek Crockett Disc Frameset minus the Specialized Crux Expert. Full charts: 2015 Specialized Crux Expert, 2017 Trek Crockett Disc Frameset.
Where each sits in its class
Specialized Crux ExpertTrek Crockett Disc Frameset
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 Crockett Disc FramesetCrockett Disc Frameset |
|---|---|---|
| Shifter | Shimano Ultegra | not listed |
| Derailleur | Shimano Ultegra | not listed |
| Cassette | Shimano Ultegra | not listed |
| Chain | Shimano Ultegra | not listed |
| Wheelset | Specialized AXIS 4.0 | not listed |
| Tire | Specialized Terra Pro | not listed |
| Brake | TRP HY/RD | not listed |
| Saddle | Specialized Phenom Comp | not listed |
| Frame | not listed | Trek Alpha |
| Fork | not listed | Trek IsoSpeed Cross |
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