2019 Trek Procaliber AL Frameset vs 2019 Trek X-Caliber Frameset
The Trek X-Caliber Frameset size closest to your ML is the ML. Compare the ML instead
What changes on the Trek X-Caliber Frameset
Compared with the Trek Procaliber AL Frameset in ML, the Trek X-Caliber Frameset in S places the top of the head tube 20 mm lower and 43 mm further back, relative to the bottom bracket. Its wheelbase is 59 mm shorter, which can contribute to quicker direction changes.
- Frame stack
- −20 mm
- Lower front end
- Frame reach
- −43 mm
- Shorter frame reach
- Wheelbase
- −59 mm
- Shorter: quicker to change direction
- Head angle
- −0.3°
- About the same head angle
- Chainstays
- −10 mm
- Shorter: livelier
The two frames
We can't draw these frames yet. The Trek Procaliber AL Frameset numbers we have for size ML are missing the seat angle. The numbers below still compare.
Geometry side by side
| Measurement | Trek Procaliber AL Frameset ML | Trek X-Caliber Frameset S | Difference |
|---|---|---|---|
| Reach | 427 | 384 | −43 mm |
| Stack | 595 | 575 | −20 mm |
| Head tube angle | 69.5° | 69.2° | −0.3° |
| Effective top tube | 617 | 564 | −53 mm |
| Chainstay length | 435 | 425 | −10 mm |
| Wheelbase | 1113 | 1054 | −59 mm |
| BB drop | 58 | 48 | −10 mm |
| BB height | 311 | 306 | −5 mm |
| Standover | 764 | 728 | −36 mm |
| Seat tube length | 444 | 368 | −76 mm |
| Head tube length | 90 | 90 | ±0 mm |
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 |
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