2015 Specialized Diverge A1 vs 2017 Trek Boone Disc Frameset
The 61 is the Trek Boone Disc Frameset size closest to your 61 Specialized Diverge 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 Boone Disc Frameset
Compared with the Specialized Diverge A1 in 61, the Trek Boone Disc Frameset in 61 places the top of the head tube 19 mm lower and about as far forward, relative to the bottom bracket. Its wheelbase is 5 mm longer, which can contribute to stability at speed.
- Frame stack
- −19 mm
- Lower front end
- Frame reach
- −1 mm
- About the same reach
- Wheelbase
- +5 mm
- Longer: steadier at speed
- Head angle
- −0.7°
- Slacker: calmer steering
- Chainstays
- +5 mm
- Longer: more planted
The two frames
Only the Specialized Diverge A1 is drawn. The Trek Boone Disc Frameset numbers we have for size 61 are missing the seat angle.
Geometry side by side
| Measurement | Specialized Diverge A1 61 | Trek Boone Disc Frameset 61 | Difference |
|---|---|---|---|
| Reach | 398mm | 397 | −1 mm |
| Stack | 643mm | 624 | −19 mm |
| Head tube angle | 73° | 72.3° | −0.7° |
| Seat tube angle | 72.5° | not listed | |
| Effective top tube | 600mm | 588 | −12 mm |
| Chainstay length | 420mm | 425 | +5 mm |
| Wheelbase | 1038mm | 1043 | +5 mm |
| BB drop | 70mm | 65 | −5 mm |
| Standover | 851mm | 843 | −8 mm |
| Seat tube length | 535mm | 583 | +48 mm |
| Head tube length | 214mm | 205 | −9 mm |
Differences are the Trek Boone Disc Frameset minus the Specialized Diverge A1. Full charts: 2015 Specialized Diverge A1, 2017 Trek Boone Disc Frameset.
Where each sits in its class
Specialized Diverge A1Trek Boone 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 Boone Disc FramesetBoone 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 OCLV |
| Fork | not listed | Trek IsoSpeed Cross |
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