2015 Specialized Roubaix SL4 Disc vs 2015 Specialized Secteur Double
The Specialized Secteur Double size closest to your 54 is the 54. Compare the 54 instead
What changes on the Specialized Secteur Double
Compared with the Specialized Roubaix SL4 Disc in 54, the Specialized Secteur Double in 49 places the top of the head tube 35 mm lower and about as far forward, relative to the bottom bracket. Its wheelbase is 17 mm shorter, which can contribute to quicker direction changes.
- Frame stack
- −35 mm
- Lower front end
- Frame reach
- −2 mm
- About the same reach
- Wheelbase
- −17 mm
- Shorter: quicker to change direction
- Head angle
- ±0.0°
- About the same head angle
- Chainstays
- −3 mm
- Shorter: livelier
The two frames
Specialized Roubaix SL4 Disc, 54Specialized Secteur Double, 49Drawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Specialized Roubaix SL4 Disc 54 | Specialized Secteur Double 49 | Difference |
|---|---|---|---|
| Reach | 380mm | 378mm | −2 mm |
| Stack | 563mm | 528mm | −35 mm |
| Head tube angle | 72° | 72° | ±0.0° |
| Seat tube angle | 73.5° | 75.5° | +2.0° |
| Effective top tube | 548mm | 518mm | −30 mm |
| Chainstay length | 415mm | 412mm | −3 mm |
| Wheelbase | 1000mm | 983mm | −17 mm |
| BB drop | 71.5mm | 73mm | +2 mm |
| Standover | 776mm | 730mm | −46 mm |
| Seat tube length | 495mm | 418mm | −77 mm |
| Head tube length | 165mm | 125mm | −40 mm |
Differences are the Specialized Secteur Double minus the Specialized Roubaix SL4 Disc. Full charts: 2015 Specialized Roubaix SL4 Disc, 2015 Specialized Secteur Double.
Where each sits in its class
Specialized Roubaix SL4 DiscSpecialized Secteur 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 DiscS-Works SL4 Disc | Specialized Secteur DoubleDouble |
|---|---|---|
| Frame | Specialized S-Works SL4 FACT | Specialized A1 Premium Aluminum |
| Wheelset | Roval Rapide CLX 40 SCS | Specialized AXIS Classic |
| Seatpost | Specialized CG-R | not listed |
| Fork | not listed | Specialized FACT |
| Shifter | not listed | Shimano Claris R2400 |
| Derailleur | not listed | Shimano Claris R2400 |
| Cassette | not listed | SunRace CS-8SP |
| Chain | not listed | KMC Z51 |
| Crankset | not listed | Shimano Claris |
| Chainring | not listed | Shimano 50/34 |
| Pedals | not listed | Specialized nylon flat |
| Tire | not listed | Specialized Espoir Sport |
| Brake | not listed | Tektro caliper |
| Stem | not listed | Specialized 3D-forged |
| Bar tape | not listed | Specialized Roubaix |
| Saddle | not listed | Specialized Toupé Sport |
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