2017 Trek Superfly vs 2018 Trek Procaliber SL Frameset
The XL is the Trek Procaliber SL Frameset size closest to your XXL 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 Procaliber SL Frameset
Compared with the Trek Superfly in XXL, the Trek Procaliber SL Frameset in XL places the top of the head tube 4 mm higher and 14 mm further back, relative to the bottom bracket. Its wheelbase is 12 mm shorter, which can contribute to quicker direction changes.
- Frame stack
- +4 mm
- Higher front end
- Frame reach
- −14 mm
- Shorter frame reach
- Wheelbase
- −12 mm
- Shorter: quicker to change direction
- Head angle
- −0.1°
- About the same head angle
- Chainstays
- ±0 mm
- About the same
The two frames
Only the Trek Superfly is drawn. The Trek Procaliber SL Frameset numbers we have for size XL are missing the seat angle.
Geometry side by side
| Measurement | Trek Superfly XXL | Trek Procaliber SL Frameset XL | Difference |
|---|---|---|---|
| Reach | 471 | 457 | −14 mm |
| Stack | 619 | 623 | +4 mm |
| Head tube angle | 69.6° | 69.5° | −0.1° |
| Seat tube angle | 72.0° | not listed | |
| Effective top tube | 673 | 659 | −14 mm |
| Chainstay length | 435 | 435 | ±0 mm |
| Wheelbase | 1166 | 1154 | −12 mm |
| BB drop | 58 | 58 | ±0 mm |
| BB height | 311 | 311 | ±0 mm |
| Standover | 844 | 816 | −28 mm |
| Seat tube length | 559 | 521 | −38 mm |
| Head tube length | 120 | 120 | ±0 mm |
Differences are the Trek Procaliber SL Frameset minus the Trek Superfly. Full charts: 2017 Trek Superfly, 2018 Trek Procaliber SL Frameset.
Where each sits in its class
Trek SuperflyTrek Procaliber SL 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 | Trek Superfly16 | Trek Procaliber SL FramesetSL Frameset |
|---|---|---|
| Frame | Trek Dialed | Trek Super |
| Chain | Trek Clarks C410 | not listed |
| Bottom bracket | not listed | Trek PF92 |
| Headset | not listed | FSA IS2 |
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