2017 Trek Superfly vs 2019 Trek X-Caliber
The L is the Trek X-Caliber size closest to your L Trek Superfly. 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 in L, the Trek X-Caliber in L places the top of the head tube 8 mm higher and 6 mm further forward, relative to the bottom bracket. Its wheelbase is 16 mm longer, which can contribute to stability at speed.
- Frame stack
- +8 mm
- Higher front end
- Frame reach
- +6 mm
- Longer frame reach
- Wheelbase
- +16 mm
- Longer: steadier at speed
- Head angle
- −0.3°
- About the same head angle
- Chainstays
- +3 mm
- Longer: more planted
The two frames
Only the Trek Superfly is drawn. The Trek X-Caliber numbers we have for size L are missing the seat angle.
Geometry side by side
| Measurement | Trek Superfly L | Trek X-Caliber L | Difference |
|---|---|---|---|
| Reach | 443 | 449 | +6 mm |
| Stack | 601 | 609 | +8 mm |
| Head tube angle | 69.6° | 69.3° | −0.3° |
| Seat tube angle | 72.0° | not listed | |
| Effective top tube | 639 | 634 | −5 mm |
| Chainstay length | 435 | 438 | +3 mm |
| Wheelbase | 1131 | 1147 | +16 mm |
| BB drop | 58 | 58 | ±0 mm |
| BB height | 311 | 316 | +5 mm |
| Standover | 795 | 753 | −42 mm |
| Seat tube length | 470 | 470 | ±0 mm |
| Head tube length | 100 | 100 | ±0 mm |
Differences are the Trek X-Caliber minus the Trek Superfly. Full charts: 2017 Trek Superfly, 2019 Trek X-Caliber.
Where each sits in its class
Trek SuperflyTrek 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 Superfly16 | Trek X-Caliber7 |
|---|---|---|
| Frame | Trek Dialed | Trek Alpha Gold |
| Chain | Trek Clarks C410 | KMC X9 |
| Shifter | not listed | Shimano Acera M3000 |
| Derailleur | not listed | Shimano Deore M4020, Shimano Acera M3000 |
| Cassette | not listed | Shimano HG200 |
| Crankset | not listed | Shimano Acera MT210 |
| Pedals | not listed | VP 536 |
| Tire | not listed | Bontrager XR2 |
| Hub | not listed | Formula DC20, Formula DC2241 |
| Rim | not listed | Bontrager Connection |
| Brake | not listed | Shimano MT200 |
| Saddle | not listed | Bontrager Arvada |
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