2019 Specialized Crux Expert vs 2021 Trek Crockett Disc Frameset
The 47 is the Trek Crockett Disc Frameset size closest to your 46 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 46, the Trek Crockett Disc Frameset 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 Expert is drawn. The Trek Crockett Disc Frameset numbers we have for size 47 are missing the seat angle.
Geometry side by side
| Measurement | Specialized Crux Expert 46 | Trek Crockett Disc Frameset 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 Crockett Disc Frameset minus the Specialized Crux Expert. Full charts: 2019 Specialized Crux Expert, 2021 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 | SRAM Force 1 | not listed |
| Derailleur | SRAM Force 1 | not listed |
| Cassette | SRAM PG 1130 | not listed |
| Chain | KMC X11 EL | not listed |
| Crankset | Praxis Zayante | not listed |
| Chainring | Praxis Wave Tech | not listed |
| Bottom bracket | Praxis M30 | not listed |
| Wheelset | Roval C38 | not listed |
| Tire | Specialized Tracer Pro | not listed |
| Brake | SRAM Force | not listed |
| Saddle | Specialized Phenom Expert | not listed |
| Frame | not listed | Trek Alpha |
| Fork | not listed | Trek Cross |
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