2018 Specialized Chisel Women's Expert vs 2019 Trek X-Caliber Frameset
The M is the Trek X-Caliber Frameset size closest to your S Specialized Chisel Women's Expert. 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 Frameset
Compared with the Specialized Chisel Women's Expert in S, the Trek X-Caliber Frameset in M places the top of the head tube 5 mm higher and 21 mm further forward, relative to the bottom bracket. Its wheelbase is 37 mm longer, which can contribute to stability at speed.
- Frame stack
- +5 mm
- Higher front end
- Frame reach
- +21 mm
- Longer frame reach
- Wheelbase
- +37 mm
- Longer: steadier at speed
- Head angle
- −0.5°
- Slacker: calmer steering
- Chainstays
- +8 mm
- Longer: more planted
The two frames
Only the Specialized Chisel Women's Expert is drawn. The Trek X-Caliber Frameset numbers we have for size M are missing the seat angle.
Geometry side by side
| Measurement | Specialized Chisel Women's Expert S | Trek X-Caliber Frameset M | Difference |
|---|---|---|---|
| Reach | 395mm | 416 | +21 mm |
| Stack | 595mm | 600 | +5 mm |
| Head tube angle | 69.8° | 69.3° | −0.5° |
| Seat tube angle | 74° | not listed | |
| Effective top tube | 567mm | 598 | +31 mm |
| Chainstay length | 430mm | 438 | +8 mm |
| Wheelbase | 1073mm | 1110 | +37 mm |
| BB drop | 57.5mm | 58 | +1 mm |
| BB height | 312.5mm | 316 | +4 mm |
| Standover | 760mm | 743 | −17 mm |
| Seat tube length | 400mm | 419 | +19 mm |
| Fork length | 496mm | not listed | |
| Head tube length | 95mm | 90 | −5 mm |
Differences are the Trek X-Caliber Frameset minus the Specialized Chisel Women's Expert. Full charts: 2018 Specialized Chisel Women's Expert, 2019 Trek X-Caliber Frameset.
Where each sits in its class
Specialized Chisel Women's ExpertTrek X-Caliber Frameset
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 Chisel Women's ExpertWomen's Expert | Trek X-Caliber FramesetX-Caliber Frameset |
|---|---|---|
| Frame | Specialized D'Aluisio Smartweld M5 | Trek Alpha Gold |
| Fork | RockShox Reba RL 29 | not listed |
| Shifter | SRAM GX | not listed |
| Derailleur | SRAM GX | not listed |
| Cassette | SRAM NX | not listed |
| Chain | KMC X-11 | not listed |
| Crankset | Race Face Aeffect | not listed |
| Tire | Specialized Fast Trak | not listed |
| Rim | Specialized Stout XC 29 | not listed |
| Brake | SRAM Level TL | not listed |
| Grips | Specialized Sip Grip | not listed |
| Saddle | Specialized Myth Sport | not listed |
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