2018 Trek Procaliber SL Frameset vs 2019 Trek X-Caliber
The Trek X-Caliber size closest to your ML is the ML. Compare the ML instead
What changes on the Trek X-Caliber
Compared with the Trek Procaliber SL Frameset in ML, the Trek X-Caliber in XS places the top of the head tube 29 mm lower and 52 mm further back, relative to the bottom bracket. Its wheelbase is 77 mm shorter, which can contribute to quicker direction changes.
- Frame stack
- −29 mm
- Lower front end
- Frame reach
- −52 mm
- Shorter frame reach
- Wheelbase
- −77 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 SL Frameset numbers we have for size ML are missing the seat angle. The numbers below still compare.
Geometry side by side
| Measurement | Trek Procaliber SL Frameset ML | Trek X-Caliber XS | Difference |
|---|---|---|---|
| Reach | 427 | 375 | −52 mm |
| Stack | 595 | 566 | −29 mm |
| Head tube angle | 69.5° | 69.2° | −0.3° |
| Effective top tube | 617 | 538 | −79 mm |
| Chainstay length | 435 | 425 | −10 mm |
| Wheelbase | 1113 | 1036 | −77 mm |
| BB drop | 58 | 58 | ±0 mm |
| BB height | 311 | 296 | −15 mm |
| Standover | 764 | 708 | −56 mm |
| Seat tube length | 445 | 343 | −102 mm |
| Head tube length | 90 | 90 | ±0 mm |
Differences are the Trek X-Caliber minus the Trek Procaliber SL Frameset. Full charts: 2018 Trek Procaliber SL Frameset, 2019 Trek X-Caliber.
Where each sits in its class
Trek Procaliber SL FramesetTrek X-Caliber
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-Caliber7 |
|---|---|---|
| Frame | Trek Super | Trek Alpha Gold |
| Bottom bracket | Trek PF92 | not listed |
| Headset | FSA IS2 | not listed |
| Shifter | not listed | Shimano Acera M3000 |
| Derailleur | not listed | Shimano Deore M4020, Shimano Acera M3000 |
| Cassette | not listed | Shimano HG200 |
| Chain | not listed | KMC X9 |
| Crankset | not listed | Shimano Acera MT210 |
| Pedals | not listed | VP 536 |
| Tire | not listed | Bontrager XR2 |
| Hub | not listed | Formula DC20, Formula DC2241 |
| Rim | not listed | Bontrager Connection |
| Brake | not listed | Shimano MT200 |
| Saddle | not listed | Bontrager Arvada |
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