2016 Specialized Roubaix SL4 Pro Disc Race UDi2 vs 2015 Specialized Secteur Sport Double
The 61 is the Specialized Secteur Sport Double size closest to your 61.0 Specialized Roubaix SL4 Pro Disc Race UDi2. 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 Secteur Sport Double
Compared with the Specialized Roubaix SL4 Pro Disc Race UDi2 in 61.0, the Specialized Secteur Sport Double in 61 places the top of the head tube at about the same height and about as far forward, relative to the bottom bracket.
- Frame stack
- ±0 mm
- About the same height
- Frame reach
- ±0 mm
- About the same reach
- Wheelbase
- −1 mm
- About the same
- Head angle
- ±0.0°
- About the same head angle
- Chainstays
- ±0 mm
- About the same
The two frames
Specialized Roubaix SL4 Pro Disc Race UDi2, 61.0Specialized Secteur Sport Double, 61Drawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Specialized Roubaix SL4 Pro Disc Race UDi2 61.0 | Specialized Secteur Sport Double 61 | Difference |
|---|---|---|---|
| Reach | 398 | 398mm | ±0 mm |
| Stack | 643 | 643mm | ±0 mm |
| Head tube angle | 73 | 73° | ±0.0° |
| Seat tube angle | 72.5 | 72.5° | ±0.0° |
| Effective top tube | 601 | 600mm | −1 mm |
| Chainstay length | 420 | 420mm | ±0 mm |
| Wheelbase | 1039 | 1038mm | −1 mm |
| BB drop | 70 | 70mm | ±0 mm |
| BB height | 272.5 | not listed | |
| Standover | 851 | 851mm | ±0 mm |
| Seat tube length | 565 | 535mm | −30 mm |
| Fork length | 368 | not listed | |
| Head tube length | 245 | 245mm | ±0 mm |
Differences are the Specialized Secteur Sport Double minus the Specialized Roubaix SL4 Pro Disc Race UDi2. Full charts: 2016 Specialized Roubaix SL4 Pro Disc Race UDi2, 2015 Specialized Secteur Sport Double.
Where each sits in its class
Specialized Roubaix SL4 Pro Disc Race UDi2Specialized Secteur Sport Double
Each bike is ranked against the other road 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 Roubaix SL4 Pro Disc Race UDi2SL4 Pro Disc Race UDi2 | Specialized Secteur Sport DoubleSport Double |
|---|---|---|
| Frame | Specialized SL4 FACT | not listed |
| Fork | Specialized FACT carbon | not listed |
| Shifter | Shimano 785 Di2 | Shimano Sora |
| Derailleur | Shimano Ultegra Di2 | Shimano Sora |
| Cassette | Shimano Ultegra | not listed |
| Chain | Shimano Ultegra | KMC X9 |
| Crankset | Specialized Pro | Shimano Sora |
| Wheelset | Roval Rapide CL 40 | Specialized AXIS Classic |
| Tire | Specialized S-Works Turbo | Specialized Espoir Sport |
| Brake | Shimano BR-785 | Specialized Axis 1.0 |
| Handlebar | Specialized Expert | not listed |
| Stem | Specialized Pro SL | not listed |
| Bar tape | Specialized CX Pro | not listed |
| Seatpost | Specialized CG-R | not listed |
| Saddle | Specialized Phenom Pro | Specialized Toupé Sport |
Know what is on every bike.
Add your bike to Quiver. Keep its parts, setup, and service history together, then share your build.
Explore the app
