2019 Trek Procaliber AL Frameset vs 2019 Trek X-Caliber Frameset
The M is the Trek X-Caliber Frameset size closest to your M Trek Procaliber AL Frameset. 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 X-Caliber Frameset
Compared with the Trek Procaliber AL Frameset in M, the Trek X-Caliber Frameset in M places the top of the head tube 5 mm higher and 4 mm further forward, relative to the bottom bracket. Its wheelbase is 12 mm longer, which can contribute to stability at speed.
- Frame stack
- +5 mm
- Higher front end
- Frame reach
- +4 mm
- Longer frame reach
- Wheelbase
- +12 mm
- Longer: steadier at speed
- Head angle
- −0.2°
- About the same head angle
- Chainstays
- +3 mm
- Longer: more planted
The two frames
We can't draw these frames yet. The Trek Procaliber AL Frameset numbers we have for size M are missing the seat angle. The numbers below still compare.
Geometry side by side
| Measurement | Trek Procaliber AL Frameset M | Trek X-Caliber Frameset M | Difference |
|---|---|---|---|
| Reach | 412 | 416 | +4 mm |
| Stack | 595 | 600 | +5 mm |
| Head tube angle | 69.5° | 69.3° | −0.2° |
| Effective top tube | 599 | 598 | −1 mm |
| Chainstay length | 435 | 438 | +3 mm |
| Wheelbase | 1098 | 1110 | +12 mm |
| BB drop | 58 | 58 | ±0 mm |
| BB height | 311 | 316 | +5 mm |
| Standover | 750 | 743 | −7 mm |
| Seat tube length | 419 | 419 | ±0 mm |
| Head tube length | not listed | 90 |
Differences are the Trek X-Caliber Frameset minus the Trek Procaliber AL Frameset. Full charts: 2019 Trek Procaliber AL Frameset, 2019 Trek X-Caliber Frameset.
Where each sits in its class
Trek Procaliber AL FramesetTrek X-Caliber Frameset
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 Procaliber AL FramesetAL Frameset | Trek X-Caliber FramesetX-Caliber Frameset |
|---|---|---|
| Frame | Trek Alpha Platinum | Trek Alpha Gold |
| Bottom bracket | Trek PF92 | not listed |
| Headset | FSA IS2 | not listed |
Know what is on every bike.
Add your bike to Quiver. Keep its parts, setup, and service history together, then share your build.
Explore the app
