2016 Trek Procaliber SL Frameset vs 2018 Trek X-Caliber Frameset
The L is the Trek X-Caliber Frameset size closest to your XL Trek Procaliber SL 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 SL Frameset in XL, the Trek X-Caliber Frameset in L places the top of the head tube 14 mm lower and 8 mm further back, relative to the bottom bracket. Its wheelbase is 7 mm shorter, which can contribute to quicker direction changes.
- Frame stack
- −14 mm
- Lower front end
- Frame reach
- −8 mm
- Shorter frame reach
- Wheelbase
- −7 mm
- Shorter: quicker to change direction
- 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 SL Frameset numbers we have for size XL are missing the seat angle. The numbers below still compare.
Geometry side by side
| Measurement | Trek Procaliber SL Frameset XL | Trek X-Caliber Frameset L | Difference |
|---|---|---|---|
| Reach | 457 | 449 | −8 mm |
| Stack | 623 | 609 | −14 mm |
| Head tube angle | 69.5° | 69.3° | −0.2° |
| Effective top tube | 659 | 634 | −25 mm |
| Chainstay length | 435 | 438 | +3 mm |
| Wheelbase | 1154 | 1147 | −7 mm |
| BB drop | 58 | 58 | ±0 mm |
| BB height | 311 | 316 | +5 mm |
| Standover | 816 | 753 | −63 mm |
| Seat tube length | 521 | 470 | −51 mm |
| Head tube length | 120 | 100 | −20 mm |
Differences are the Trek X-Caliber Frameset minus the Trek Procaliber SL Frameset. Full charts: 2016 Trek Procaliber SL Frameset, 2018 Trek X-Caliber Frameset.
Where each sits in its class
Trek Procaliber SL 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 SL FramesetSL Frameset | Trek X-Caliber FramesetX-Caliber Frameset |
|---|---|---|
| Frame | Trek OCLV | Trek Alpha Gold |
| Headset | FSA IS2 | not listed |
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