2017 Trek X-Caliber vs 2015 Specialized Epic 29 Frameset
The M is the Specialized Epic 29 Frameset size closest to your ML 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 ML, the Specialized Epic 29 Frameset in M places the top of the head tube at about the same height and 10 mm further back, relative to the bottom bracket. Its wheelbase is 16 mm shorter, which can contribute to quicker direction changes.
- Frame stack
- ±0 mm
- About the same height
- Frame reach
- −10 mm
- Shorter frame reach
- Wheelbase
- −16 mm
- Shorter: quicker to change direction
- Head angle
- +0.9°
- Steeper: sharper steering
- Chainstays
- +3 mm
- Longer: more planted
The two frames
Only the Trek X-Caliber is drawn. The Specialized Epic 29 Frameset numbers we have for size M are missing the seat angle.
Geometry side by side
| Measurement | Trek X-Caliber ML | Specialized Epic 29 Frameset M | Difference |
|---|---|---|---|
| Reach | 428 | 418mm | −10 mm |
| Stack | 601 | 601mm | ±0 mm |
| Head tube angle | 69.6° | 70.5° | +0.9° |
| Seat tube angle | 72.3° | not listed | |
| Effective top tube | 620 | 593mm | −27 mm |
| Chainstay length | 445 | 448mm | +3 mm |
| Wheelbase | 1128 | 1112mm | −16 mm |
| BB drop | 53 | 40mm | −13 mm |
| BB height | 316 | 332mm | +16 mm |
| Standover | 777 | 774mm | −3 mm |
| Seat tube length | 444 | 434mm | −10 mm |
| Head tube length | 100 | 105mm | +5 mm |
Differences are the Specialized Epic 29 Frameset minus the Trek X-Caliber. Full charts: 2017 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 |
| Wheelset | Formula DC-20 | not listed |
| Tire | Bontrager XR2 | not listed |
| Hub | Formula DC20, Formula DC22 | not listed |
| Rim | Bontrager Connection | not listed |
| Brake | Shimano Acera M315 | 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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