2015 Specialized Epic WC S-Build vs 2013 Trek Superfly Elite SL
The XXL is the Trek Superfly Elite SL size closest to your XL Specialized Epic WC S-Build. 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 Elite SL
Compared with the Specialized Epic WC S-Build in XL, the Trek Superfly Elite SL in XXL places the top of the head tube at about the same height and 5 mm further forward, relative to the bottom bracket. Its wheelbase is 33 mm longer, which can contribute to stability at speed.
- Frame stack
- +1 mm
- About the same height
- Frame reach
- +5 mm
- Longer frame reach
- Wheelbase
- +33 mm
- Longer: steadier at speed
- Head angle
- −1.0°
- Slacker: calmer steering
- Chainstays
- +13 mm
- Longer: more planted
The two frames
Specialized Epic WC S-Build, XLTrek Superfly Elite SL, XXLDrawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Specialized Epic WC S-Build XL | Trek Superfly Elite SL XXL | Difference |
|---|---|---|---|
| Reach | 465mm | 470 | +5 mm |
| Stack | 630mm | 631 | +1 mm |
| Head tube angle | 71° | 70° | −1.0° |
| Seat tube angle | 70.5° | 70° | −0.5° |
| Effective top tube | 643mm | 648 | +5 mm |
| Chainstay length | 439mm | 452 | +13 mm |
| Wheelbase | 1157mm | 1190 | +33 mm |
| BB drop | 40mm | 39 | −1 mm |
| BB height | 332mm | 330 | −2 mm |
| Standover | 793mm | 790 | −3 mm |
| Seat tube length | 520mm | 584 | +64 mm |
| Head tube length | 140mm | 145 | +5 mm |
Differences are the Trek Superfly Elite SL minus the Specialized Epic WC S-Build. Full charts: 2015 Specialized Epic WC S-Build, 2013 Trek Superfly Elite SL.
Where each sits in its class
Specialized Epic WC S-BuildTrek Superfly Elite 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 | Specialized Epic WC S-BuildS-Works WC S-Build | Trek Superfly Elite SL100 Elite SL |
|---|---|---|
| Fork | RockShox SID World | Fox Performance |
| Rear shock | Fox Mini-Brain | not listed |
| Frame | not listed | Trek OCLV |
| Shifter | not listed | Shimano Deore XT |
| Derailleur | not listed | Shimano Deore XT, Shimano Deore XT Shadow Plus |
| Cassette | not listed | Shimano XT |
| Crankset | not listed | Shimano Deore XT |
| Bottom bracket | not listed | Trek BB95 |
| Wheelset | not listed | Trek Bontrger |
| Tire | not listed | Bontrager Team Issue |
| Brake | not listed | Shimano Deore XT |
| Headset | not listed | Cane Creek IS-3 |
| Seatpost | not listed | Bontrager Rhythm Elite |
| Saddle | not listed | Bontrager Evoke 3 |
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