2015 Specialized Sirrus Pro Carbon Disc vs 2017 Trek FX Sport Women's
The Trek FX Sport Women's size closest to your M is the 56. Compare the 56 instead
What changes on the Trek FX Sport Women's
- Frame stack
- n/a
- One of the bikes has no number for this
- Frame reach
- n/a
- One of the bikes has no number for this
- Wheelbase
- −5 mm
- Shorter: quicker to change direction
- Head angle
- −1.0°
- Slacker: calmer steering
- Chainstays
- +10 mm
- Longer: more planted
The two frames
Only the Specialized Sirrus Pro Carbon Disc is drawn. The Trek FX Sport Women's numbers we have for size 17 in are missing the reach, stack and seat angle.
Geometry side by side
| Measurement | Specialized Sirrus Pro Carbon Disc M | Trek FX Sport Women's 17 in | Difference |
|---|---|---|---|
| Reach | 403mm | not listed | |
| Stack | 591mm | not listed | |
| Head tube angle | 71.5° | 70.5° | −1.0° |
| Seat tube angle | 73.5° | not listed | |
| Effective top tube | 580mm | 539 | −41 mm |
| Chainstay length | 435mm | 445 | +10 mm |
| Wheelbase | 1060mm | 1055 | −5 mm |
| BB drop | 70mm | not listed | |
| Standover | 785mm | 732 | −53 mm |
| Seat tube length | 485mm | 432 | −53 mm |
| Head tube length | 165mm | 150 | −15 mm |
| BB height | not listed | 285 |
Differences are the Trek FX Sport Women's minus the Specialized Sirrus Pro Carbon Disc. Full charts: 2015 Specialized Sirrus Pro Carbon Disc, 2017 Trek FX Sport Women's.
Where each sits in its class
Specialized Sirrus Pro Carbon DiscTrek FX Sport Women's
Each bike is ranked against the other commuter 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 Sirrus Pro Carbon DiscPro Carbon Disc | Trek FX Sport Women's4 Women's |
|---|---|---|
| Frame | Specialized Sirrus FACT | Trek WSD FX Alpha Gold |
| Shifter | SRAM SL X1 | Shimano Tiagra |
| Derailleur | SRAM X1 | Shimano Tiagra, Shimano Sora R350 |
| Cassette | SRAM XG-1180 | Shimano Tiagra |
| Chain | SRAM X1 | KMC X10 |
| Crankset | SRAM Force CX1 | Shimano R460 |
| Wheelset | Specialized AXIS 4.0 | Formula TK31 |
| Brake | Magura MTS | not listed |
| Seatpost | Specialized Pro Pave | Bontrager SSR |
| Saddle | Specialized Phenom Expert | Bontrager H1 WSD |
| Fork | not listed | Bontrager Nebula |
| Tire | not listed | Bontrager AW1 Hard-Case Lite |
| Hub | not listed | Formula TK-31, Formula TK-32 |
| Handlebar | not listed | Bontrager Satellite Plus IsoZone |
| Headset | not listed | VP Slimstak |
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