2015 Specialized Diverge A1 vs 2017 Trek Crockett Disc Frameset
The Trek Crockett Disc Frameset size closest to your 54 is the 54. Compare the 54 instead
What changes on the Trek Crockett Disc Frameset
Compared with the Specialized Diverge A1 in 54, the Trek Crockett Disc Frameset in 50 places the top of the head tube 30 mm lower and 5 mm further back, relative to the bottom bracket.
- Frame stack
- −30 mm
- Lower front end
- Frame reach
- −5 mm
- Shorter frame reach
- Wheelbase
- +1 mm
- About the same
- Head angle
- −1.0°
- Slacker: calmer steering
- Chainstays
- +10 mm
- Longer: more planted
The two frames
Only the Specialized Diverge A1 is drawn. The Trek Crockett Disc Frameset numbers we have for size 50 are missing the seat angle.
Geometry side by side
| Measurement | Specialized Diverge A1 54 | Trek Crockett Disc Frameset 50 | Difference |
|---|---|---|---|
| Reach | 380mm | 375 | −5 mm |
| Stack | 564mm | 534 | −30 mm |
| Head tube angle | 72° | 71.0° | −1.0° |
| Seat tube angle | 73.5° | not listed | |
| Effective top tube | 548mm | 518 | −30 mm |
| Chainstay length | 415mm | 425 | +10 mm |
| Wheelbase | 1000mm | 1001 | +1 mm |
| BB drop | 71.5mm | 70 | −2 mm |
| Standover | 776mm | 747 | −29 mm |
| Seat tube length | 466mm | 476 | +10 mm |
| Head tube length | 134mm | 110 | −24 mm |
Differences are the Trek Crockett Disc Frameset minus the Specialized Diverge A1. Full charts: 2015 Specialized Diverge A1, 2017 Trek Crockett Disc Frameset.
Where each sits in its class
Specialized Diverge 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 A1A1 | Trek Crockett Disc FramesetCrockett Disc Frameset |
|---|---|---|
| Shifter | Shimano Claris R2400 | not listed |
| Derailleur | Shimano Claris R2400 | not listed |
| Chain | KMC X9 | not listed |
| Crankset | Shimano Claris | 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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