2027 Trek Procaliber AL vs 2025 Specialized Chisel Hardtail
The Specialized Chisel Hardtail size closest to your ML is the L. Compare the L instead
What changes on the Specialized Chisel Hardtail
Compared with the Trek Procaliber AL in ML, the Specialized Chisel Hardtail in XL places the top of the head tube 19 mm higher and 35 mm further forward, relative to the bottom bracket. Its wheelbase is 30 mm longer, which can contribute to stability at speed.
- Frame stack
- +19 mm
- Higher front end
- Frame reach
- +35 mm
- Longer frame reach
- Wheelbase
- +30 mm
- Longer: steadier at speed
- Head angle
- +1.0°
- Steeper: sharper steering
- Chainstays
- −3 mm
- Shorter: livelier
The two frames
Trek Procaliber AL, MLSpecialized Chisel Hardtail, XLDrawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Trek Procaliber AL ML | Specialized Chisel Hardtail XL | Difference |
|---|---|---|---|
| Reach | 445 | 480mm | +35 mm |
| Stack | 614 | 633mm | +19 mm |
| Head tube angle | 67.0° | 68° | +1.0° |
| Seat tube angle | 74.3° | 74° | −0.3° |
| Effective top tube | 613 | not listed | |
| Chainstay length | 435 | 432mm | −3 mm |
| Wheelbase | 1155 | 1185mm | +30 mm |
| BB drop | 64 | 63mm | −1 mm |
| BB height | 309 | 309mm | ±0 mm |
| Standover | 758 | 847mm | +89 mm |
| Seat tube length | 440 | 520mm | +80 mm |
| Head tube length | 90 | 125mm | +35 mm |
| Fork length | not listed | 506mm |
Differences are the Specialized Chisel Hardtail minus the Trek Procaliber AL. Full charts: 2027 Trek Procaliber AL, 2025 Specialized Chisel Hardtail.
Where each sits in its class
Trek Procaliber ALSpecialized Chisel Hardtail
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 Procaliber AL | Specialized Chisel HardtailHardtail |
|---|---|---|
| Frame | not listed | Specialized D'Aluisio Smartweld M5 |
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