2017 Trek X-Caliber vs 2015 Trek Superfly 9.8 SL
The XXL is the Trek Superfly 9.8 SL size closest to your XL 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 Trek Superfly 9.8 SL
Compared with the Trek X-Caliber in XL, the Trek Superfly 9.8 SL in XXL places the top of the head tube 3 mm lower and 4 mm further forward, relative to the bottom bracket. Its wheelbase is 4 mm longer, which can contribute to stability at speed.
- Frame stack
- −3 mm
- Lower front end
- Frame reach
- +4 mm
- Longer frame reach
- Wheelbase
- +4 mm
- Longer: steadier at speed
- Head angle
- ±0.0°
- About the same head angle
- Chainstays
- ±0 mm
- About the same
The two frames
Only the Trek X-Caliber is drawn. The Trek Superfly 9.8 SL numbers we have for size XXL are missing the seat angle.
Geometry side by side
| Measurement | Trek X-Caliber XL | Trek Superfly 9.8 SL XXL | Difference |
|---|---|---|---|
| Reach | 458 | 462 | +4 mm |
| Stack | 620 | 617 | −3 mm |
| Head tube angle | 69.6° | 69.6° | ±0.0° |
| Seat tube angle | 72.0° | not listed | |
| Effective top tube | 659 | 663 | +4 mm |
| Chainstay length | 445 | 445 | ±0 mm |
| Wheelbase | 1165 | 1169 | +4 mm |
| BB drop | 53 | 53 | ±0 mm |
| BB height | 316 | 316 | ±0 mm |
| Standover | 825 | 844 | +19 mm |
| Seat tube length | 521 | 545 | +24 mm |
| Head tube length | 120 | 118 | −2 mm |
Differences are the Trek Superfly 9.8 SL minus the Trek X-Caliber. Full charts: 2017 Trek X-Caliber, 2015 Trek Superfly 9.8 SL.
Where each sits in its class
Trek X-CaliberTrek Superfly 9.8 SL
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 | Trek Superfly 9.8 SL9.8 SL |
|---|---|---|
| Frame | Trek Alpha Gold | Trek OCLV |
| Shifter | Shimano Acera M3000 | SRAM X1 |
| Derailleur | Shimano Acera, Shimano Acera M3000 | SRAM X01 |
| Cassette | Shimano HG20 | SRAM XG 1180 |
| Chain | KMC X9 | SRAM PC-1130 |
| Crankset | Shimano Acera M3000 | SRAM X1 1400 X-Sync |
| Wheelset | Formula DC-20 | DT Swiss X1700 |
| Tire | Bontrager XR2 | Bontrager XR1 Team Issue |
| Hub | Formula DC20, Formula DC22 | not listed |
| Rim | Bontrager Connection | not listed |
| Brake | Shimano Acera M315 | Shimano Deore XT |
| Seatpost | Bontrager SSR | Bontrager Rhythm Elite |
| Saddle | Bontrager Evoke 1.5 | Bontrager Evoke RXL |
| Fork | not listed | Fox Performance |
| Headset | not listed | FSA IS2 |
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