2015 Specialized Epic WC S-Build vs 2014 Trek X-Caliber
The ML is the Trek X-Caliber size closest to your M Specialized Epic WC S-Build. 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 Specialized Epic WC S-Build in M, the Trek X-Caliber in ML places the top of the head tube 4 mm higher and 5 mm further forward, relative to the bottom bracket. Its wheelbase is 25 mm longer, which can contribute to stability at speed.
- Frame stack
- +4 mm
- Higher front end
- Frame reach
- +5 mm
- Longer frame reach
- Wheelbase
- +25 mm
- Longer: steadier at speed
- Head angle
- −1.4°
- Slacker: calmer steering
- Chainstays
- +6 mm
- Longer: more planted
The two frames
Only the Specialized Epic WC S-Build is drawn. The Trek X-Caliber numbers we have for size ML are missing the seat angle.
Geometry side by side
| Measurement | Specialized Epic WC S-Build M | Trek X-Caliber ML | Difference |
|---|---|---|---|
| Reach | 423mm | 428 | +5 mm |
| Stack | 597mm | 601 | +4 mm |
| Head tube angle | 71° | 69.6° | −1.4° |
| Seat tube angle | 69.75° | not listed | |
| Effective top tube | 592mm | 620 | +28 mm |
| Chainstay length | 439mm | 445 | +6 mm |
| Wheelbase | 1103mm | 1128 | +25 mm |
| BB drop | 40mm | 53 | +13 mm |
| BB height | 332mm | 316 | −16 mm |
| Standover | 774mm | 777 | +3 mm |
| Seat tube length | 434mm | 444 | +10 mm |
| Head tube length | 105mm | 100 | −5 mm |
Differences are the Trek X-Caliber minus the Specialized Epic WC S-Build. Full charts: 2015 Specialized Epic WC S-Build, 2014 Trek X-Caliber.
Where each sits in its class
Specialized Epic WC S-BuildTrek 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 | Specialized Epic WC S-BuildS-Works WC S-Build | Trek X-Caliber4 |
|---|---|---|
| Fork | RockShox SID World | SR Suntour M3030 |
| Rear shock | Fox Mini-Brain | not listed |
| Frame | not listed | Trek Alpha Gold |
| Shifter | not listed | Shimano Altus EF51 |
| Derailleur | not listed | Shimano Altus, Shimano Altus M280 |
| Cassette | not listed | Shimano HG31 |
| Crankset | not listed | Shimano M131 |
| Wheelset | not listed | Formula DC-20 |
| Tire | not listed | Bontrager XR1 |
| Brake | not listed | Trek HL 280 |
| Stem | not listed | Bontrager Approved |
| Seatpost | not listed | Bontrager SSR |
| Saddle | not listed | Bontrager Evoke 1 |
Know what is on every bike.
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