2019 Trek Procaliber 9.8 SL 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 9.8 SL 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 9.8 SL numbers we have for size ML are missing the seat angle. The numbers below still compare.
Geometry side by side
| Measurement | Trek Procaliber 9.8 SL 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 9.8 SL. Full charts: 2019 Trek Procaliber 9.8 SL, 2019 Trek X-Caliber.
Where each sits in its class
Trek Procaliber 9.8 SLTrek 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 9.8 SL9.8 SL | Trek X-Caliber7 |
|---|---|---|
| Frame | Trek Super | Trek Alpha Gold |
| Fork | RockShox SID RL | not listed |
| Shifter | SRAM GX Eagle | Shimano Acera M3000 |
| Derailleur | SRAM GX Eagle | Shimano Deore M4020, Shimano Acera M3000 |
| Cassette | SRAM GX Eagle | Shimano HG200 |
| Chain | SRAM GX Eagle | KMC X9 |
| Crankset | TruVativ Stylo | Shimano Acera MT210 |
| Bottom bracket | Trek DUB PF92 | not listed |
| Wheelset | Bontrager Kovee Elite 30 | not listed |
| Tire | Bontrager XR2 Team Issue | Bontrager XR2 |
| Brake | Shimano XT M8000 | Shimano MT200 |
| Headset | FSA IS2 | not listed |
| Saddle | Bontrager Montrose Elite | Bontrager Arvada |
| Pedals | not listed | VP 536 |
| Hub | not listed | Formula DC20, Formula DC2241 |
| Rim | not listed | Bontrager Connection |
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