2020 Trek Procaliber vs 2019 Trek X-Caliber
The XS is the Trek X-Caliber size closest to your XS 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
Compared with the Trek Procaliber in XS, the Trek X-Caliber in XS places the top of the head tube 3 mm higher and 5 mm further forward, relative to the bottom bracket.
- Frame stack
- +3 mm
- Higher front end
- Frame reach
- +5 mm
- Longer frame reach
- Wheelbase
- −1 mm
- About the same
- Head angle
- +0.2°
- About the same head angle
- Chainstays
- ±0 mm
- About the same
The two frames
We can't draw these frames yet. The Trek Procaliber numbers we have for size XS are missing the seat angle. The numbers below still compare.
Geometry side by side
| Measurement | Trek Procaliber XS | Trek X-Caliber XS | Difference |
|---|---|---|---|
| Reach | 370 | 375 | +5 mm |
| Stack | 563 | 566 | +3 mm |
| Head tube angle | 69.0° | 69.2° | +0.2° |
| Effective top tube | 541 | 538 | −3 mm |
| Chainstay length | 425 | 425 | ±0 mm |
| Wheelbase | 1037 | 1036 | −1 mm |
| BB drop | 48 | 58 | +10 mm |
| BB height | 302 | 296 | −6 mm |
| Standover | 735 | 708 | −27 mm |
| Seat tube length | 343 | 343 | ±0 mm |
| Head tube length | 100 | 90 | −10 mm |
Differences are the Trek X-Caliber minus the Trek Procaliber. Full charts: 2020 Trek Procaliber, 2019 Trek X-Caliber.
Where each sits in its class
Trek ProcaliberTrek 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 Procaliber6 | Trek X-Caliber7 |
|---|---|---|
| Frame | Trek Alpha Platinum | Trek Alpha Gold |
| Fork | RockShox Judy Gold | not listed |
| Shifter | SRAM SX Eagle | Shimano Acera M3000 |
| Derailleur | SRAM NX Eagle | Shimano Deore M4020, Shimano Acera M3000 |
| Cassette | SRAM SX Eagle | Shimano HG200 |
| Chain | SRAM SX Eagle | KMC X9 |
| Crankset | SRAM SX Eagle | Shimano Acera MT210 |
| Bottom bracket | SRAM DUB | not listed |
| Pedals | VP 536 | VP 536 |
| Tire | Bontrager XR2 Team Issue | Bontrager XR2 |
| Rim | Bontrager Kovee | Bontrager Connection |
| Headset | FSA IS2 | not listed |
| Seatpost | Bontrager Approved | not listed |
| Saddle | Bontrager Arvada | Bontrager Arvada |
| Hub | not listed | Formula DC20, Formula DC2241 |
| Brake | not listed | Shimano MT200 |
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