2017 Specialized Crux vs 2019 Trek Boone Disc
The 50 is the Trek Boone Disc size closest to your 49 Specialized Crux. 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
Compared with the Specialized Crux in 49, the Trek Boone Disc in 50 places the top of the head tube 6 mm lower and 6 mm further forward, relative to the bottom bracket. Its wheelbase is 7 mm shorter, which can contribute to quicker direction changes.
- Frame stack
- −6 mm
- Lower front end
- Frame reach
- +6 mm
- Longer frame reach
- Wheelbase
- −7 mm
- Shorter: quicker to change direction
- Head angle
- +0.5°
- Steeper: sharper steering
- Chainstays
- ±0 mm
- About the same
The two frames
Only the Specialized Crux is drawn. The Trek Boone Disc numbers we have for size 50 are missing the seat angle.
Geometry side by side
| Measurement | Specialized Crux 49 | Trek Boone Disc 50 | Difference |
|---|---|---|---|
| Reach | 369mm | 375 | +6 mm |
| Stack | 540mm | 534 | −6 mm |
| Head tube angle | 70.5° | 71.0° | +0.5° |
| Seat tube angle | 75.5° | not listed | |
| Effective top tube | 509mm | 518 | +9 mm |
| Chainstay length | 425mm | 425 | ±0 mm |
| Wheelbase | 1008mm | 1001 | −7 mm |
| BB drop | 71mm | 70 | −1 mm |
| BB height | 279mm | not listed | |
| Standover | 782mm | 747 | −35 mm |
| Seat tube length | 490mm | 476 | −14 mm |
| Fork length | 400mm | not listed | |
| Head tube length | 115mm | 110 | −5 mm |
Differences are the Trek Boone Disc minus the Specialized Crux. Full charts: 2017 Specialized Crux, 2019 Trek Boone Disc.
Where each sits in its class
Specialized CruxTrek Boone Disc
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 CruxS-Works | Trek Boone Disc5 Disc |
|---|---|---|
| Fork | Specialized CruX | Trek IsoSpeed Cross |
| Shifter | Shimano ST-RS685 | SRAM Rival 1 |
| Derailleur | Shimano Dura-Ace | SRAM Rival 1 |
| Cassette | Shimano Dura-Ace | SRAM PG 1130 |
| Chain | Shimano HG901 | SRAM PC-1130 |
| Wheelset | Specialized CLX 32 | not listed |
| Tire | Specialized Terra Pro | Bontrager CX3 Team Issue |
| Brake | Shimano BR-785 | SRAM Rival |
| Seatpost | Specialized CG-R | Bontrager Tuned |
| Saddle | Specialized Phenom Expert | Bontrager Montrose |
| Frame | not listed | Trek OCLV |
| Crankset | not listed | SRAM Rival 1 |
| Bottom bracket | not listed | Trek BB90 |
| Hub | not listed | Bontrager centerlock |
| Handlebar | not listed | Bontrager VR-C |
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