2017 Trek X-Caliber vs 2019 Specialized Chisel
The S is the Specialized Chisel size closest to your XS Trek X-Caliber. 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 Chisel
Compared with the Trek X-Caliber in XS, the Specialized Chisel in S places the top of the head tube 30 mm higher and 43 mm further forward, relative to the bottom bracket. Its wheelbase is 40 mm longer, which can contribute to stability at speed.
- Frame stack
- +30 mm
- Higher front end
- Frame reach
- +43 mm
- Longer frame reach
- Wheelbase
- +40 mm
- Longer: steadier at speed
- Head angle
- +0.8°
- Steeper: sharper steering
- Chainstays
- −8 mm
- Shorter: livelier
The two frames
Trek X-Caliber, XSSpecialized Chisel, SDrawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Trek X-Caliber XS | Specialized Chisel S | Difference |
|---|---|---|---|
| Reach | 352 | 395mm | +43 mm |
| Stack | 565 | 595mm | +30 mm |
| Head tube angle | 69.0° | 69.8° | +0.8° |
| Seat tube angle | 73.0° | 74° | +1.0° |
| Effective top tube | 525 | not listed | |
| Chainstay length | 438 | 430mm | −8 mm |
| Wheelbase | 1033 | 1073mm | +40 mm |
| BB drop | 48 | 57.5mm | +10 mm |
| BB height | 306 | 312.5mm | +7 mm |
| Standover | 660 | 760mm | +100 mm |
| Seat tube length | 343 | 400mm | +57 mm |
| Head tube length | 100 | 95mm | −5 mm |
| Fork length | not listed | 496mm |
Differences are the Specialized Chisel minus the Trek X-Caliber. Full charts: 2017 Trek X-Caliber, 2019 Specialized Chisel.
Where each sits in its class
Trek X-CaliberSpecialized Chisel
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-Caliber7 | Specialized ChiselChisel Frame |
|---|---|---|
| Frame | Trek Alpha Gold | Specialized D'Aluisio Smartweld M5 |
| Shifter | Shimano Acera M3000 | not listed |
| Derailleur | Shimano Acera, Shimano Acera M3000 | not listed |
| Cassette | Shimano HG20 | not listed |
| Chain | KMC X9 | not listed |
| Crankset | Shimano Acera M3000 | not listed |
| Wheelset | Formula DC-20 | not listed |
| Tire | Bontrager XR2 | not listed |
| Hub | Formula DC20, Formula DC22 | not listed |
| Rim | Bontrager Connection | not listed |
| Brake | Shimano Acera M315 | not listed |
| Seatpost | Bontrager SSR | not listed |
| Saddle | Bontrager Evoke 1.5 | not listed |
Know what is on every bike.
Add your bike to Quiver. Keep its parts, setup, and service history together, then share your build.
Explore the app
