2015 Trek Superfly vs 2017 Specialized Epic FSR Comp Carbon World Cup Torch Edition
The S is the Specialized Epic FSR Comp Carbon World Cup Torch Edition size closest to your 24" kids' Trek Superfly. 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 FSR Comp Carbon World Cup Torch Edition
Compared with the Trek Superfly in 24" kids', the Specialized Epic FSR Comp Carbon World Cup Torch Edition in S places the top of the head tube 103 mm higher and 25 mm further forward, relative to the bottom bracket. Its wheelbase is 93 mm longer, which can contribute to stability at speed.
- Frame stack
- +103 mm
- Higher front end
- Frame reach
- +25 mm
- Longer frame reach
- Wheelbase
- +93 mm
- Longer: steadier at speed
- Head angle
- +0.8°
- Steeper: sharper steering
- Chainstays
- n/a
- One of the bikes has no number for this
The two frames
We can't draw these frames yet. The Trek Superfly numbers we have for size 24" kids' are missing the seat angle and chainstay length. The numbers below still compare.
Geometry side by side
| Measurement | Trek Superfly 24" kids' | Specialized Epic FSR Comp Carbon World Cup Torch Edition S | Difference |
|---|---|---|---|
| Reach | 373 | 398mm | +25 mm |
| Stack | 480 | 583mm | +103 mm |
| Head tube angle | 70.0° | 70.75° | +0.8° |
| Seat tube angle | not listed | 74° | |
| Effective top tube | 529 | 562mm | +33 mm |
| Chainstay length | not listed | 439mm | |
| Wheelbase | 980 | 1073mm | +93 mm |
| BB drop | 38 | 40mm | +2 mm |
| BB height | not listed | 332mm | |
| Standover | 606 | 770mm | +164 mm |
| Seat tube length | 290 | 400mm | +110 mm |
| Head tube length | 105 | 90mm | −15 mm |
| Fork length | not listed | 504mm |
Differences are the Specialized Epic FSR Comp Carbon World Cup Torch Edition minus the Trek Superfly. Full charts: 2015 Trek Superfly, 2017 Specialized Epic FSR Comp Carbon World Cup Torch Edition.
Where each sits in its class
Trek SuperflySpecialized Epic FSR Comp Carbon World Cup Torch Edition
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 Superfly16 | Specialized Epic FSR Comp Carbon World Cup Torch EditionFSR Comp Carbon World Cup Torch Edition |
|---|---|---|
| Frame | Trek Dialed | not listed |
| Chain | Trek Clarks C410 | SRAM PC-1110 |
| Fork | not listed | RockShox Reba RL |
| Rear shock | not listed | Fox Epic |
| Shifter | not listed | SRAM NX |
| Derailleur | not listed | SRAM GX |
| Cassette | not listed | SRAM PG-1130 |
| Crankset | not listed | Race Face Aeffect |
| Tire | not listed | Specialized Fast Trak |
| Rim | not listed | Roval Control |
| Brake | not listed | Shimano Deore M506 |
| Grips | not listed | Specialized Sip Grip |
| Saddle | not listed | Specialized Phenom Comp |
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