2015 Trek Superfly 9.8 SL vs 2017 Trek X-Caliber
The S is the Trek X-Caliber size closest to your S Trek Superfly 9.8 SL. 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
Compared with the Trek Superfly 9.8 SL in S, the Trek X-Caliber in S places the top of the head tube 17 mm lower and 5 mm further back, relative to the bottom bracket. Its wheelbase is 24 mm shorter, which can contribute to quicker direction changes.
- Frame stack
- −17 mm
- Lower front end
- Frame reach
- −5 mm
- Shorter frame reach
- Wheelbase
- −24 mm
- Shorter: quicker to change direction
- Head angle
- ±0.0°
- About the same head angle
- Chainstays
- −7 mm
- Shorter: livelier
The two frames
We can't draw these frames yet. The Trek Superfly 9.8 SL numbers we have for size S are missing the seat angle. The numbers below still compare.
Geometry side by side
| Measurement | Trek Superfly 9.8 SL S | Trek X-Caliber S | Difference |
|---|---|---|---|
| Reach | 386 | 381 | −5 mm |
| Stack | 602 | 585 | −17 mm |
| Head tube angle | 69.3° | 69.3° | ±0.0° |
| Effective top tube | 570 | 560 | −10 mm |
| Chainstay length | 445 | 438 | −7 mm |
| Wheelbase | 1090 | 1066 | −24 mm |
| BB drop | 53 | 48 | −5 mm |
| BB height | 316 | 306 | −10 mm |
| Standover | 748 | 745 | −3 mm |
| Seat tube length | 368 | 394 | +26 mm |
| Head tube length | 103 | 100 | −3 mm |
| Seat tube angle | not listed | 73.0° |
Differences are the Trek X-Caliber minus the Trek Superfly 9.8 SL. Full charts: 2015 Trek Superfly 9.8 SL, 2017 Trek X-Caliber.
Where each sits in its class
Trek Superfly 9.8 SLTrek X-Caliber
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 9.8 SL9.8 SL | Trek X-Caliber7 |
|---|---|---|
| Frame | Trek OCLV | Trek Alpha Gold |
| Fork | Fox Performance | not listed |
| Shifter | SRAM X1 | Shimano Acera M3000 |
| Derailleur | SRAM X01 | Shimano Acera, Shimano Acera M3000 |
| Cassette | SRAM XG 1180 | Shimano HG20 |
| Chain | SRAM PC-1130 | KMC X9 |
| Crankset | SRAM X1 1400 X-Sync | Shimano Acera M3000 |
| Wheelset | DT Swiss X1700 | Formula DC-20 |
| Tire | Bontrager XR1 Team Issue | Bontrager XR2 |
| Brake | Shimano Deore XT | Shimano Acera M315 |
| Headset | FSA IS2 | not listed |
| Seatpost | Bontrager Rhythm Elite | Bontrager SSR |
| Saddle | Bontrager Evoke RXL | Bontrager Evoke 1.5 |
| Hub | not listed | Formula DC20, Formula DC22 |
| Rim | not listed | Bontrager Connection |
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



