2015 Specialized Diverge Elite A1 vs 2017 Trek Crockett Disc Frameset
The 58 is the Trek Crockett Disc Frameset size closest to your 56 Specialized Diverge Elite A1. 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 Diverge Elite A1 in 56, the Trek Crockett Disc Frameset in 58 places the top of the head tube 7 mm higher and 4 mm further forward, relative to the bottom bracket. Its wheelbase is 18 mm longer, which can contribute to stability at speed.
- Frame stack
- +7 mm
- Higher front end
- Frame reach
- +4 mm
- Longer frame reach
- Wheelbase
- +18 mm
- Longer: steadier at speed
- Head angle
- −0.2°
- About the same head angle
- Chainstays
- +10 mm
- Longer: more planted
The two frames
Only the Specialized Diverge Elite A1 is drawn. The Trek Crockett Disc Frameset numbers we have for size 58 are missing the seat angle.
Geometry side by side
| Measurement | Specialized Diverge Elite A1 56 | Trek Crockett Disc Frameset 58 | Difference |
|---|---|---|---|
| Reach | 387mm | 391 | +4 mm |
| Stack | 590mm | 597 | +7 mm |
| Head tube angle | 72.5° | 72.3° | −0.2° |
| Seat tube angle | 73.25° | not listed | |
| Effective top tube | 565mm | 570 | +5 mm |
| Chainstay length | 415mm | 425 | +10 mm |
| Wheelbase | 1010mm | 1028 | +18 mm |
| BB drop | 71.5mm | 65 | −7 mm |
| Standover | 798mm | 816 | +18 mm |
| Seat tube length | 485mm | 553 | +68 mm |
| Head tube length | 159mm | 176 | +17 mm |
Differences are the Trek Crockett Disc Frameset minus the Specialized Diverge Elite A1. Full charts: 2015 Specialized Diverge Elite A1, 2017 Trek Crockett Disc Frameset.
Where each sits in its class
Specialized Diverge Elite A1Trek 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 Diverge Elite A1Elite A1 | Trek Crockett Disc FramesetCrockett Disc Frameset |
|---|---|---|
| Shifter | Shimano Tiagra | not listed |
| Derailleur | Shimano Tiagra | not listed |
| Cassette | Shimano Tiagra | not listed |
| Chain | KMC X-10 | not listed |
| Crankset | Shimano Tiagra | not listed |
| Wheelset | Specialized AXIS Classic | not listed |
| Tire | Specialized Espoir Sport | not listed |
| Brake | Tektro Spyre | not listed |
| Saddle | Specialized Toupé Sport | not listed |
| Frame | not listed | Trek Alpha |
| Fork | not listed | Trek IsoSpeed Cross |
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