2011 Specialized Epic Expert Carbon 29er vs 2012 Trek Superfly
We can't match sizes for these two: one of them has no stack and reach for the sizes shown.
What changes on the Trek Superfly
- Frame stack
- n/a
- One of the bikes has no number for this
- Frame reach
- +1 mm
- About the same reach
- Wheelbase
- +7 mm
- Longer: steadier at speed
- Head angle
- −1.2°
- Slacker: calmer steering
- Chainstays
- −3 mm
- Shorter: livelier
The two frames
Only the Specialized Epic Expert Carbon 29er is drawn. The Trek Superfly numbers we have for size 17.5" are missing the stack and seat angle.
Geometry side by side
| Measurement | Specialized Epic Expert Carbon 29er M | Trek Superfly 17.5" | Difference |
|---|---|---|---|
| Reach | 415mm | 416 | +1 mm |
| Stack | 605mm | not listed | |
| Head tube angle | 70.5° | 69.3° | −1.2° |
| Seat tube angle | 69.5° | not listed | |
| Chainstay length | 448mm | 445 | −3 mm |
| Wheelbase | 1109mm | 1116 | +7 mm |
| BB height | 331mm | 312 | −19 mm |
| Standover | 766mm | 767 | +1 mm |
| Seat tube length | 424mm | 445 | +21 mm |
| Effective top tube | not listed | 602 | |
| Head tube length | not listed | 103 |
Differences are the Trek Superfly minus the Specialized Epic Expert Carbon 29er. Full charts: 2011 Specialized Epic Expert Carbon 29er, 2012 Trek Superfly.
Where each sits in its class
Specialized Epic Expert Carbon 29erTrek Superfly
AggressivePositionUpright
CalmSteeringQuick
PlayfulBalancePlanted
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 Expert Carbon 29erExpert Carbon 29er | Trek Superfly100 |
|---|---|---|
| Fork | RockShox Reba 29 | Fox Evolution |
| Rear shock | Fox Mini-Brain | not listed |
| Shifter | SRAM X9 | SRAM X7 |
| Derailleur | SRAM X-7, SRAM X.0 | SRAM X-7, SRAM X-9 |
| Cassette | Shimano HG81 | Shimano HG62-10 |
| Chain | KMC X10 | not listed |
| Crankset | SRAM S-2200 | SRAM S1000 |
| Bottom bracket | SRAM PF30 | not listed |
| Tire | Specialized S-Works Renegade | not listed |
| Hub | Specialized Hi Lo | not listed |
| Rim | DT Swiss X450SL | not listed |
| Brake | Avid Elixir CR SL | Avid Elixir 7 |
| Saddle | Specialized Phenom | Bontrager Evoke 2 |
| Frame | not listed | Trek OCLV |
| Wheelset | not listed | Bontrager FCC |
| Headset | not listed | FSA No 57 |
| Seatpost | not listed | Bontrager Rhythm Elite |
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