2017 Specialized Epic FSR Comp vs 2017 Trek X-Caliber
The S is the Trek X-Caliber size closest to your S Specialized Epic FSR Comp. 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 FSR Comp in S, the Trek X-Caliber in S places the top of the head tube at about the same height and 12 mm further back, relative to the bottom bracket. Its wheelbase is 16 mm shorter, which can contribute to quicker direction changes.
- Frame stack
- −2 mm
- About the same height
- Frame reach
- −12 mm
- Shorter frame reach
- Wheelbase
- −16 mm
- Shorter: quicker to change direction
- Head angle
- −1.2°
- Slacker: calmer steering
- Chainstays
- −10 mm
- Shorter: livelier
The two frames
Specialized Epic FSR Comp, STrek X-Caliber, SDrawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Specialized Epic FSR Comp S | Trek X-Caliber S | Difference |
|---|---|---|---|
| Reach | 393mm | 381 | −12 mm |
| Stack | 587mm | 585 | −2 mm |
| Head tube angle | 70.5° | 69.3° | −1.2° |
| Seat tube angle | 74° | 73.0° | −1.0° |
| Effective top tube | 568mm | 560 | −8 mm |
| Chainstay length | 448mm | 438 | −10 mm |
| Wheelbase | 1082mm | 1066 | −16 mm |
| BB drop | 40mm | 48 | +8 mm |
| BB height | 332mm | 306 | −26 mm |
| Standover | 776mm | 745 | −31 mm |
| Seat tube length | 400mm | 394 | −6 mm |
| Fork length | 506mm | not listed | |
| Head tube length | 100mm | 100 | ±0 mm |
Differences are the Trek X-Caliber minus the Specialized Epic FSR Comp. Full charts: 2017 Specialized Epic FSR Comp, 2017 Trek X-Caliber.
Where each sits in its class
Specialized Epic FSR CompTrek 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 FSR CompFSR Comp | Trek X-Caliber7 |
|---|---|---|
| Fork | RockShox Reba RL | not listed |
| Rear shock | Fox Epic | not listed |
| Shifter | Shimano SLX M7000 | Shimano Acera M3000 |
| Derailleur | Shimano SLX M7025, Shimano XT M8000 | Shimano Acera, Shimano Acera M3000 |
| Cassette | Shimano SLX M7000 | Shimano HG20 |
| Chain | KMC X11 EL | KMC X9 |
| Crankset | Race Face Aeffect | Shimano Acera M3000 |
| Tire | Specialized Fast Trak | Bontrager XR2 |
| Rim | Roval Control | Bontrager Connection |
| Brake | Shimano Deore M506 | Shimano Acera M315 |
| Grips | Specialized Sip Grip | not listed |
| Saddle | Specialized Phenom Comp | Bontrager Evoke 1.5 |
| Frame | not listed | Trek Alpha Gold |
| Wheelset | not listed | Formula DC-20 |
| Hub | not listed | Formula DC20, Formula DC22 |
| Seatpost | not listed | Bontrager SSR |
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