2017 Trek Superfly Women's vs 2018 Trek X-Caliber Women's
The Trek X-Caliber Women's size closest to your S is the S. Compare the S instead
What changes on the Trek X-Caliber Women's
Compared with the Trek Superfly Women's in S, the Trek X-Caliber Women's in ML places the top of the head tube 15 mm higher and 62 mm further forward, relative to the bottom bracket. Its wheelbase is 68 mm longer, which can contribute to stability at speed.
- Frame stack
- +15 mm
- Higher front end
- Frame reach
- +62 mm
- Longer frame reach
- Wheelbase
- +68 mm
- Longer: steadier at speed
- Head angle
- +0.2°
- About the same head angle
- Chainstays
- +13 mm
- Longer: more planted
The two frames
We can't draw these frames yet. The Trek Superfly Women's numbers we have for size S are missing the seat angle. The numbers below still compare.
Geometry side by side
| Measurement | Trek Superfly Women's S | Trek X-Caliber Women's ML | Difference |
|---|---|---|---|
| Reach | 372 | 434 | +62 mm |
| Stack | 583 | 598 | +15 mm |
| Head tube angle | 69.3° | 69.5° | +0.2° |
| Effective top tube | 558 | 611 | +53 mm |
| Chainstay length | 425 | 438 | +13 mm |
| Wheelbase | 1053 | 1121 | +68 mm |
| BB drop | 48 | 58 | +10 mm |
| BB height | 302 | 311 | +9 mm |
| Standover | 721 | 737 | +16 mm |
| Seat tube length | 368 | 444 | +76 mm |
| Head tube length | 100 | 90 | −10 mm |
| Seat tube angle | not listed | 72.0° |
Differences are the Trek X-Caliber Women's minus the Trek Superfly Women's. Full charts: 2017 Trek Superfly Women's, 2018 Trek X-Caliber Women's.
Where each sits in its class
Trek Superfly Women'sTrek X-Caliber Women's
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 Superfly Women's6 Women's | Trek X-Caliber Women's7 Women's |
|---|---|---|
| Frame | Trek Alpha Platinum | Trek Alpha Gold |
| Fork | RockShox Reba RL | RockShox TK |
| Shifter | SRAM GX | Shimano Acera M3000 |
| Derailleur | SRAM GX | Shimano Deore M400, Shimano Acera M3000 |
| Cassette | SRAM PG 1130 | Shimano HG200 |
| Chain | SRAM 1110 | KMC X9 |
| Crankset | SRAM GX-1000 | Shimano Acera M3000 |
| Bottom bracket | Trek PF89.5 | not listed |
| Tire | Bontrager XR1 Expert | Bontrager XR2 |
| Rim | Bontrager Mustang Elite | Bontrager Connection |
| Brake | SRAM Level T | Shimano Acera M315 |
| Saddle | Bontrager Ajna Comp WSD | Bontrager Evoke 1.5 |
| Wheelset | not listed | Formula DC-20 |
| Hub | not listed | Formula DC20, Formula DC2241 |
| Seatpost | not listed | Bontrager SSR |
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