2016 Trek X-Caliber vs 2015 Specialized Epic 29 Frameset
The S is the Specialized Epic 29 Frameset size closest to your XS Trek X-Caliber. 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 Specialized Epic 29 Frameset
Compared with the Trek X-Caliber in XS, the Specialized Epic 29 Frameset in S places the top of the head tube 22 mm higher and 41 mm further forward, relative to the bottom bracket. Its wheelbase is 49 mm longer, which can contribute to stability at speed.
- Frame stack
- +22 mm
- Higher front end
- Frame reach
- +41 mm
- Longer frame reach
- Wheelbase
- +49 mm
- Longer: steadier at speed
- Head angle
- +1.5°
- Steeper: sharper steering
- Chainstays
- +10 mm
- Longer: more planted
The two frames
Only the Trek X-Caliber is drawn. The Specialized Epic 29 Frameset numbers we have for size S are missing the seat angle.
Geometry side by side
| Measurement | Trek X-Caliber XS | Specialized Epic 29 Frameset S | Difference |
|---|---|---|---|
| Reach | 352 | 393mm | +41 mm |
| Stack | 565 | 587mm | +22 mm |
| Head tube angle | 69.0° | 70.5° | +1.5° |
| Seat tube angle | 73.0° | not listed | |
| Effective top tube | 525 | 564mm | +39 mm |
| Chainstay length | 438 | 448mm | +10 mm |
| Wheelbase | 1033 | 1082mm | +49 mm |
| BB drop | 48 | 40mm | −8 mm |
| BB height | 306 | 332mm | +26 mm |
| Standover | 660 | 770mm | +110 mm |
| Seat tube length | 343 | 400mm | +57 mm |
| Head tube length | 100 | 90mm | −10 mm |
Differences are the Specialized Epic 29 Frameset minus the Trek X-Caliber. Full charts: 2016 Trek X-Caliber, 2015 Specialized Epic 29 Frameset.
Where each sits in its class
Trek X-CaliberSpecialized Epic 29 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 X-Caliber7 | Specialized Epic 29 FramesetS-Works 29 Frameset |
|---|---|---|
| Frame | Trek Alpha Gold | not listed |
| Shifter | Shimano Acera M3000 | not listed |
| Derailleur | Shimano Acera, Shimano Acera M3000 | not listed |
| Cassette | Shimano HG20 | not listed |
| Chain | KMC X9 | not listed |
| Crankset | Shimano Acera M3000 | not listed |
| Tire | Bontrager XR2 | not listed |
| Hub | Formula DC20, Formula DC22 | not listed |
| Rim | Bontrager AT-650 | not listed |
| Brake | Shimano Acera M355 | not listed |
| Seatpost | Bontrager SSR | not listed |
| Saddle | Bontrager Evoke 1.5 | not listed |
| Fork | not listed | RockShox SID World |
| Rear shock | not listed | Fox Mini-Brain |
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