2016 Specialized Epic 29 vs 2015 Trek Superfly 9.8 SL
The M is the Trek Superfly 9.8 SL size closest to your M Specialized Epic 29. 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 9.8 SL
Compared with the Specialized Epic 29 in M, the Trek Superfly 9.8 SL in M places the top of the head tube at about the same height and 6 mm further back, relative to the bottom bracket. Its wheelbase is 4 mm longer, which can contribute to stability at speed.
- Frame stack
- +1 mm
- About the same height
- Frame reach
- −6 mm
- Shorter frame reach
- Wheelbase
- +4 mm
- Longer: steadier at speed
- Head angle
- −1.2°
- Slacker: calmer steering
- Chainstays
- −3 mm
- Shorter: livelier
The two frames
Only the Specialized Epic 29 is drawn. The Trek Superfly 9.8 SL numbers we have for size M are missing the seat angle.
Geometry side by side
| Measurement | Specialized Epic 29 M | Trek Superfly 9.8 SL M | Difference |
|---|---|---|---|
| Reach | 418 | 412 | −6 mm |
| Stack | 601 | 602 | +1 mm |
| Head tube angle | 70.5 | 69.3° | −1.2° |
| Seat tube angle | 74 | not listed | |
| Effective top tube | 593 | 602 | +9 mm |
| Chainstay length | 448 | 445 | −3 mm |
| Wheelbase | 1112 | 1116 | +4 mm |
| BB drop | 40 | 53 | +13 mm |
| BB height | 332 | 316 | −16 mm |
| Standover | 774 | 769 | −5 mm |
| Seat tube length | 434 | 416 | −18 mm |
| Fork length | 506 | not listed | |
| Head tube length | 105 | 103 | −2 mm |
Differences are the Trek Superfly 9.8 SL minus the Specialized Epic 29. Full charts: 2016 Specialized Epic 29, 2015 Trek Superfly 9.8 SL.
Where each sits in its class
Specialized Epic 29Trek Superfly 9.8 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 29S-Works 29 | Trek Superfly 9.8 SL9.8 SL |
|---|---|---|
| Fork | RockShox RS-1 Brain | Fox Performance |
| Rear shock | Fox Brain | not listed |
| Shifter | Shimano XTR Di2 | SRAM X1 |
| Derailleur | Shimano XTR Di2, Shimano XTR Di2 Shadow Plus | SRAM X01 |
| Cassette | Shimano XTR | SRAM XG 1180 |
| Chain | Shimano XTR | SRAM PC-1130 |
| Crankset | Shimano XTR | SRAM X1 1400 X-Sync |
| Bottom bracket | Praxis PF30 | not listed |
| Tire | Specialized S-Works Fast Trak | Bontrager XR1 Team Issue |
| Hub | Roval Control SL | not listed |
| Rim | Roval Control SL 29 | not listed |
| Brake | Shimano XTR | Shimano Deore XT |
| Handlebar | Specialized FACT carbon | not listed |
| Stem | Syntace F109 | not listed |
| Grips | Specialized Sip Grip | not listed |
| Seatpost | S Works FACT carbon | Bontrager Rhythm Elite |
| Saddle | Specialized S-Works Phenom | Bontrager Evoke RXL |
| Frame | not listed | Trek OCLV |
| Wheelset | not listed | DT Swiss X1700 |
| Headset | not listed | FSA IS2 |
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