2015 Specialized Epic 29 Frameset vs 2017 Trek X-Caliber
The XL is the Trek X-Caliber size closest to your XL Specialized Epic 29 Frameset. 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 29 Frameset in XL, the Trek X-Caliber in XL places the top of the head tube 14 mm lower and 4 mm further back, relative to the bottom bracket. Its wheelbase is 3 mm shorter, which can contribute to quicker direction changes.
- Frame stack
- −14 mm
- Lower front end
- Frame reach
- −4 mm
- Shorter frame reach
- Wheelbase
- −3 mm
- Shorter: quicker to change direction
- Head angle
- −0.9°
- Slacker: calmer steering
- Chainstays
- −3 mm
- Shorter: livelier
The two frames
We can't draw these frames yet. The Specialized Epic 29 Frameset numbers we have for size XL are missing the seat angle. The numbers below still compare.
Geometry side by side
| Measurement | Specialized Epic 29 Frameset XL | Trek X-Caliber XL | Difference |
|---|---|---|---|
| Reach | 462mm | 458 | −4 mm |
| Stack | 634mm | 620 | −14 mm |
| Head tube angle | 70.5° | 69.6° | −0.9° |
| Effective top tube | 647mm | 659 | +12 mm |
| Chainstay length | 448mm | 445 | −3 mm |
| Wheelbase | 1168mm | 1165 | −3 mm |
| BB drop | 40mm | 53 | +13 mm |
| BB height | 332mm | 316 | −16 mm |
| Standover | 793mm | 825 | +32 mm |
| Seat tube length | 520mm | 521 | +1 mm |
| Head tube length | 140mm | 120 | −20 mm |
| Seat tube angle | not listed | 72.0° |
Differences are the Trek X-Caliber minus the Specialized Epic 29 Frameset. Full charts: 2015 Specialized Epic 29 Frameset, 2017 Trek X-Caliber.
Where each sits in its class
Specialized Epic 29 FramesetTrek 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 29 FramesetS-Works 29 Frameset | Trek X-Caliber7 |
|---|---|---|
| Fork | RockShox SID World | not listed |
| Rear shock | Fox Mini-Brain | not listed |
| Frame | not listed | Trek Alpha Gold |
| Shifter | not listed | Shimano Acera M3000 |
| Derailleur | not listed | Shimano Acera, Shimano Acera M3000 |
| Cassette | not listed | Shimano HG20 |
| Chain | not listed | KMC X9 |
| Crankset | not listed | Shimano Acera M3000 |
| Wheelset | not listed | Formula DC-20 |
| Tire | not listed | Bontrager XR2 |
| Hub | not listed | Formula DC20, Formula DC22 |
| Rim | not listed | Bontrager Connection |
| Brake | not listed | Shimano Acera M315 |
| Seatpost | not listed | Bontrager SSR |
| Saddle | not listed | Bontrager Evoke 1.5 |
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