2027 Trek X-Caliber Frameset vs 2027 Specialized Epic Hardtail Comp SRAM 70, RockShox REBA
The M is the Specialized Epic Hardtail Comp SRAM 70, RockShox REBA size closest to your M Trek X-Caliber 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 Specialized Epic Hardtail Comp SRAM 70, RockShox REBA
Compared with the Trek X-Caliber Frameset in M, the Specialized Epic Hardtail Comp SRAM 70, RockShox REBA in M places the top of the head tube 10 mm higher and 12 mm further forward, relative to the bottom bracket. Its wheelbase is 8 mm longer, which can contribute to stability at speed.
- Frame stack
- +10 mm
- Higher front end
- Frame reach
- +12 mm
- Longer frame reach
- Wheelbase
- +8 mm
- Longer: steadier at speed
- Head angle
- −1.0°
- Slacker: calmer steering
- Chainstays
- −8 mm
- Shorter: livelier
The two frames
Trek X-Caliber Frameset, MSpecialized Epic Hardtail Comp SRAM 70, RockShox REBA, MDrawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Trek X-Caliber Frameset M | Specialized Epic Hardtail Comp SRAM 70, RockShox REBA M | Difference |
|---|---|---|---|
| Reach | 418 | 430mm | +12 mm |
| Stack | 598 | 608mm | +10 mm |
| Head tube angle | 69.5° | 68.5° | −1.0° |
| Seat tube angle | 73.0° | 74° | +1.0° |
| Effective top tube | 601 | 604mm | +3 mm |
| Chainstay length | 438 | 430mm | −8 mm |
| Wheelbase | 1109 | 1117mm | +8 mm |
| BB drop | 58 | 63mm | +5 mm |
| BB height | 311 | 309mm | −2 mm |
| Standover | 748 | 792mm | +44 mm |
| Seat tube length | 419 | 430mm | +11 mm |
| Head tube length | 90 | 95mm | +5 mm |
| Fork length | not listed | 506mm |
Differences are the Specialized Epic Hardtail Comp SRAM 70, RockShox REBA minus the Trek X-Caliber Frameset. Full charts: 2027 Trek X-Caliber Frameset, 2027 Specialized Epic Hardtail Comp SRAM 70, RockShox REBA.
Where each sits in its class
Trek X-Caliber FramesetSpecialized Epic Hardtail Comp SRAM 70, RockShox REBA
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-Caliber Frameset | Specialized Epic Hardtail Comp SRAM 70, RockShox REBAHardtail Comp - SRAM Eagle 70, RockShox REBA |
|---|---|---|
| Fork | not listed | RockShox Reba |
| Derailleur | not listed | SRAM Eagle 70 Transmission |
| Chain | not listed | SRAM Transmission |
| Bottom bracket | not listed | SRAM DUB |
| Tire | not listed | Specialized Fast Trak, Specialized Air Trak |
| Brake | not listed | SRAM DB4 |
| Handlebar | not listed | Specialized Mini Rise |
| Saddle | not listed | Specialized Power Comp |
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