2013 Trek Superfly AL Elite vs 2015 Trek X-Caliber
The XL is the Trek X-Caliber size closest to your 21" Trek Superfly AL Elite. 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 AL Elite in 21", the Trek X-Caliber in XL places the top of the head tube 15 mm lower and 7 mm further forward, relative to the bottom bracket. Its wheelbase is 17 mm longer, which can contribute to stability at speed.
- Frame stack
- −15 mm
- Lower front end
- Frame reach
- +7 mm
- Longer frame reach
- Wheelbase
- +17 mm
- Longer: steadier at speed
- Head angle
- ±0.0°
- About the same head angle
- Chainstays
- ±0 mm
- About the same
The two frames
We can't draw these frames yet. The Trek Superfly AL Elite numbers we have for size 21" are missing the seat angle. The numbers below still compare.
Geometry side by side
| Measurement | Trek Superfly AL Elite 21" | Trek X-Caliber XL | Difference |
|---|---|---|---|
| Reach | 451 | 458 | +7 mm |
| Stack | 635 | 620 | −15 mm |
| Head tube angle | 69.6° | 69.6° | ±0.0° |
| Effective top tube | 643 | 659 | +16 mm |
| Chainstay length | 445 | 445 | ±0 mm |
| Wheelbase | 1148 | 1165 | +17 mm |
| BB height | 312 | 316 | +4 mm |
| Standover | 817 | 825 | +8 mm |
| Seat tube length | 533 | 521 | −12 mm |
| Head tube length | 118 | 120 | +2 mm |
| Seat tube angle | not listed | 72.0° | |
| BB drop | not listed | 53 |
Differences are the Trek X-Caliber minus the Trek Superfly AL Elite. Full charts: 2013 Trek Superfly AL Elite, 2015 Trek X-Caliber.
Where each sits in its class
Trek Superfly AL EliteTrek 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 AL Elite100 AL Elite | Trek X-Caliber6 |
|---|---|---|
| Frame | Trek Alpha Platinum | Trek Alpha Gold |
| Fork | Fox Evolution | SR Suntour XCM |
| Shifter | Shimano SLX | SRAM X4 |
| Derailleur | Shimano SLX, Shimano Deore XT Shadow | SRAM X4 |
| Cassette | Shimano HG62 | SRAM PG920 |
| Crankset | Shimano Deore M552 | Shimano Acera M371 |
| Brake | Shimano SLX | Shimano Acera M355 |
| Headset | FSA NO.57SC | not listed |
| Seatpost | Bontrager Rhythm Elite | Bontrager SSR |
| Saddle | Bontrager Evoke 2 | Bontrager Evoke 1.5 |
| Chain | not listed | KMC X9 |
| Tire | not listed | Bontrager XR1 |
| Hub | not listed | Formula DC20, Formula DC22 |
| Rim | not listed | Bontrager AT-650 |
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