2018 Trek Procaliber vs 2019 Trek X-Caliber Frameset
The ML is the Trek X-Caliber Frameset size closest to your ML Trek Procaliber. 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 in ML, the Trek X-Caliber Frameset in ML places the top of the head tube 5 mm higher and 5 mm further forward, relative to the bottom bracket. Its wheelbase is 13 mm longer, which can contribute to stability at speed.
- Frame stack
- +5 mm
- Higher front end
- Frame reach
- +5 mm
- Longer frame reach
- Wheelbase
- +13 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 numbers we have for size ML are missing the seat angle. The numbers below still compare.
Geometry side by side
| Measurement | Trek Procaliber ML | Trek X-Caliber Frameset ML | Difference |
|---|---|---|---|
| Reach | 427 | 432 | +5 mm |
| Stack | 595 | 600 | +5 mm |
| Head tube angle | 69.5° | 69.3° | −0.2° |
| Effective top tube | 617 | 614 | −3 mm |
| Chainstay length | 435 | 438 | +3 mm |
| Wheelbase | 1113 | 1126 | +13 mm |
| BB drop | 58 | 58 | ±0 mm |
| BB height | 311 | 316 | +5 mm |
| Standover | 764 | 737 | −27 mm |
| Seat tube length | 444 | 444 | ±0 mm |
| Head tube length | 90 | 90 | ±0 mm |
Differences are the Trek X-Caliber Frameset minus the Trek Procaliber. Full charts: 2018 Trek Procaliber, 2019 Trek X-Caliber Frameset.
Where each sits in its class
Trek ProcaliberTrek 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 Procaliber6 | Trek X-Caliber FramesetX-Caliber Frameset |
|---|---|---|
| Frame | Trek Alpha Platinum | Trek Alpha Gold |
| Fork | RockShox Recon RL Gold | not listed |
| Shifter | Shimano SLX M7000 | not listed |
| Derailleur | Shimano SLX M7020, Shimano XT M8000 | not listed |
| Cassette | Shimano SLX M7000 | not listed |
| Chain | KMC X11-1 | not listed |
| Crankset | Race Face Aeffect | not listed |
| Bottom bracket | Trek PF92 | not listed |
| Tire | Bontrager XR2 Team Issue | not listed |
| Hub | Bontrager centerlock | not listed |
| Rim | Bontrager Duster Elite | not listed |
| Brake | Shimano Deore M425 | not listed |
| Headset | FSA IS2 | not listed |
| Saddle | Bontrager Evoke 2 | not listed |
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