2012 Specialized Epic Expert Carbon EVO R 29 vs 2014 Trek X-Caliber
The XS is the Trek X-Caliber size closest to your S Specialized Epic Expert Carbon EVO R 29. 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 Expert Carbon EVO R 29 in S, the Trek X-Caliber in XS places the top of the head tube at about the same height and 14 mm further back, relative to the bottom bracket. Its wheelbase is 5 mm shorter, which can contribute to quicker direction changes.
- Frame stack
- −1 mm
- About the same height
- Frame reach
- −14 mm
- Shorter frame reach
- Wheelbase
- −5 mm
- Shorter: quicker to change direction
- Head angle
- −1.5°
- Slacker: calmer steering
- Chainstays
- −3 mm
- Shorter: livelier
The two frames
Only the Specialized Epic Expert Carbon EVO R 29 is drawn. The Trek X-Caliber numbers we have for size XS are missing the seat angle.
Geometry side by side
| Measurement | Specialized Epic Expert Carbon EVO R 29 S | Trek X-Caliber XS | Difference |
|---|---|---|---|
| Reach | 386mm | 372 | −14 mm |
| Stack | 586mm | 585 | −1 mm |
| Head tube angle | 70.5° | 69.0° | −1.5° |
| Seat tube angle | 69.5° | not listed | |
| Chainstay length | 448mm | 445 | −3 mm |
| Wheelbase | 1075mm | 1070 | −5 mm |
| BB height | 331mm | 311 | −20 mm |
| Standover | 755mm | 660 | −95 mm |
| Seat tube length | 394mm | 343 | −51 mm |
| Effective top tube | not listed | 540 | |
| BB drop | not listed | 58 | |
| Head tube length | not listed | 100 |
Differences are the Trek X-Caliber minus the Specialized Epic Expert Carbon EVO R 29. Full charts: 2012 Specialized Epic Expert Carbon EVO R 29, 2014 Trek X-Caliber.
Where each sits in its class
Specialized Epic Expert Carbon EVO R 29Trek 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 Expert Carbon EVO R 29Expert Carbon EVO R 29 | Trek X-Caliber4 |
|---|---|---|
| Fork | RockShox SID 29 Brain | SR Suntour M3030 |
| Rear shock | Fox Mini-Brain | not listed |
| Shifter | SRAM X9 | Shimano Altus EF51 |
| Derailleur | Specialized EVO XC DMD, SRAM X.0 | Shimano Altus, Shimano Altus M280 |
| Cassette | SRAM PG-1050 | Shimano HG31 |
| Chain | KMC X10 | not listed |
| Crankset | SRAM S-2200 | Shimano M131 |
| Wheelset | Roval Control 29 | Formula DC-20 |
| Tire | Specialized S-Works Renegade, Specialized Renegade Control | Bontrager XR1 |
| Brake | Formula R1 | Trek HL 280 |
| Saddle | Specialized Phenom | Bontrager Evoke 1 |
| Frame | not listed | Trek Alpha Gold |
| Stem | not listed | Bontrager Approved |
| Seatpost | not listed | Bontrager SSR |
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