2015 Trek X-Caliber vs 2017 Trek Procaliber 9.7
The S is the Trek Procaliber 9.7 size closest to your XS Trek X-Caliber. 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 Procaliber 9.7
Compared with the Trek X-Caliber in XS, the Trek Procaliber 9.7 in S places the top of the head tube at about the same height and 30 mm further forward, relative to the bottom bracket. Its wheelbase is 20 mm longer, which can contribute to stability at speed.
- Frame stack
- −2 mm
- About the same height
- Frame reach
- +30 mm
- Longer frame reach
- Wheelbase
- +20 mm
- Longer: steadier at speed
- Head angle
- +0.3°
- About the same head angle
- Chainstays
- −13 mm
- Shorter: livelier
The two frames
Only the Trek X-Caliber is drawn. The Trek Procaliber 9.7 numbers we have for size S are missing the seat angle.
Geometry side by side
| Measurement | Trek X-Caliber XS | Trek Procaliber 9.7 S | Difference |
|---|---|---|---|
| Reach | 352 | 382 | +30 mm |
| Stack | 565 | 563 | −2 mm |
| Head tube angle | 69.0° | 69.3° | +0.3° |
| Seat tube angle | 73.0° | not listed | |
| Effective top tube | 525 | 558 | +33 mm |
| Chainstay length | 438 | 425 | −13 mm |
| Wheelbase | 1033 | 1053 | +20 mm |
| BB drop | 48 | 48 | ±0 mm |
| BB height | 306 | 302 | −4 mm |
| Standover | 660 | 753 | +93 mm |
| Seat tube length | 343 | 368 | +25 mm |
| Head tube length | 100 | 100 | ±0 mm |
Differences are the Trek Procaliber 9.7 minus the Trek X-Caliber. Full charts: 2015 Trek X-Caliber, 2017 Trek Procaliber 9.7.
Where each sits in its class
Trek X-CaliberTrek Procaliber 9.7
Each bike is ranked against the other XC 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 | Trek X-Caliber6 | Trek Procaliber 9.79.7 |
|---|---|---|
| Frame | Trek Alpha Gold | Trek OCLV |
| Fork | SR Suntour XCM | Fox 32 Float Performance |
| Shifter | SRAM X4 | SRAM GX |
| Derailleur | SRAM X4 | SRAM X1 |
| Cassette | SRAM PG920 | SRAM XG-1150 |
| Chain | KMC X9 | SRAM PC1110 |
| Crankset | Shimano Acera M371 | SRAM X1 1200 |
| Tire | Bontrager XR1 | Bontrager XR1 Expert |
| Hub | Formula DC20, Formula DC22 | not listed |
| Rim | Bontrager AT-650 | not listed |
| Brake | Shimano Acera M355 | SRAM Level TL |
| Seatpost | Bontrager SSR | Bontrager Rhythm Elite |
| Saddle | Bontrager Evoke 1.5 | Bontrager Montrose |
| Bottom bracket | not listed | Trek PF92 |
| Wheelset | not listed | Bontrager Mustang Pro |
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