2013 Trek Superfly AL Pro vs 2012 Specialized Epic Carbon 29
The XL is the Specialized Epic Carbon 29 size closest to your 21" Trek Superfly AL Pro. 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 Specialized Epic Carbon 29
Compared with the Trek Superfly AL Pro in 21", the Specialized Epic Carbon 29 in XL places the top of the head tube at about the same height and 7 mm further forward, relative to the bottom bracket.
- Frame stack
- −2 mm
- About the same height
- Frame reach
- +7 mm
- Longer frame reach
- Wheelbase
- n/a
- One of the bikes has no number for this
- Head angle
- −0.5°
- Slacker: calmer steering
- Chainstays
- −4 mm
- Shorter: livelier
The two frames
We can't draw these frames yet. The Trek Superfly AL Pro numbers we have for size 21" are missing the seat angle and wheelbase. The numbers below still compare.
Geometry side by side
| Measurement | Trek Superfly AL Pro 21" | Specialized Epic Carbon 29 XL | Difference |
|---|---|---|---|
| Reach | 451 | 458mm | +7 mm |
| Stack | 635 | 633mm | −2 mm |
| Head tube angle | 71° | 70.5° | −0.5° |
| Effective top tube | 638 | not listed | |
| Chainstay length | 452 | 448mm | −4 mm |
| Wheelbase | not listed | 1163mm | |
| BB height | 325 | 331mm | +6 mm |
| Standover | 837 | 790mm | −47 mm |
| Seat tube length | 533 | 520mm | −13 mm |
| Head tube length | 135 | not listed | |
| Seat tube angle | not listed | 70° |
Differences are the Specialized Epic Carbon 29 minus the Trek Superfly AL Pro. Full charts: 2013 Trek Superfly AL Pro, 2012 Specialized Epic Carbon 29.
Where each sits in its class
Trek Superfly AL ProSpecialized Epic Carbon 29
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 Pro100 AL Pro | Specialized Epic Carbon 29S-Works Carbon 29 |
|---|---|---|
| Frame | Trek Alpha Platinum | not listed |
| Fork | Fox Evolution | RockShox SID World |
| Shifter | Shimano Deore XT | not listed |
| Derailleur | Shimano Deore XT, Shimano Deore XT Shadow | not listed |
| Cassette | Shimano SLX | not listed |
| Crankset | Shimano Deore XT | not listed |
| Wheelset | Trek Bontrger | not listed |
| Tire | Bontrager Team Issue | not listed |
| Brake | Shimano Deore XT | not listed |
| Headset | FSA NO.57E | not listed |
| Seatpost | Bontrager Rhythm Elite | not listed |
| Saddle | Bontrager Evoke 3 | not listed |
| Rear shock | not listed | Fox Mini-Brain |
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