2017 Specialized Diverge Expert vs 2019 Trek Boone Disc Frameset
The 52 is the Trek Boone Disc Frameset size closest to your 49 Specialized Diverge 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 Boone Disc Frameset
Compared with the Specialized Diverge Expert in 49, the Trek Boone Disc Frameset in 52 places the top of the head tube 21 mm higher and about as far forward, relative to the bottom bracket. Its wheelbase is 16 mm longer, which can contribute to stability at speed.
- Frame stack
- +21 mm
- Higher front end
- Frame reach
- +1 mm
- About the same reach
- Wheelbase
- +16 mm
- Longer: steadier at speed
- Head angle
- +0.3°
- About the same head angle
- Chainstays
- +13 mm
- Longer: more planted
The two frames
Only the Specialized Diverge Expert is drawn. The Trek Boone Disc Frameset numbers we have for size 52 are missing the seat angle.
Geometry side by side
| Measurement | Specialized Diverge Expert 49 | Trek Boone Disc Frameset 52 | Difference |
|---|---|---|---|
| Reach | 378mm | 379 | +1 mm |
| Stack | 526mm | 547 | +21 mm |
| Head tube angle | 71.25° | 71.5° | +0.3° |
| Seat tube angle | 75.5° | not listed | |
| Effective top tube | 514mm | 531 | +17 mm |
| Chainstay length | 412mm | 425 | +13 mm |
| Wheelbase | 989mm | 1005 | +16 mm |
| BB drop | 77mm | 70 | −7 mm |
| BB height | 270mm | not listed | |
| Standover | 714mm | 761 | +47 mm |
| Seat tube length | 418mm | 493 | +75 mm |
| Fork length | 390mm | not listed | |
| Head tube length | 100mm | 123 | +23 mm |
Differences are the Trek Boone Disc Frameset minus the Specialized Diverge Expert. Full charts: 2017 Specialized Diverge Expert, 2019 Trek Boone Disc Frameset.
Where each sits in its class
Specialized Diverge ExpertTrek 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 ExpertExpert | Trek Boone Disc FramesetBoone Disc Frameset |
|---|---|---|
| Shifter | Shimano ST-RS685 | not listed |
| Derailleur | Shimano Ultegra | not listed |
| Cassette | Shimano Ultegra | not listed |
| Chain | Shimano Ultegra | not listed |
| Crankset | FSA SL-K | not listed |
| Wheelset | DT Swiss R460 | not listed |
| Tire | Specialized Roubaix Pro 2BR | not listed |
| Brake | Shimano BR-785 | not listed |
| Seatpost | Specialized CG-R | not listed |
| Saddle | Specialized Phenom Expert | not listed |
| Frame | not listed | Trek OCLV |
| Fork | not listed | Trek IsoSpeed Cross |
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