Specialized Roubaix Sport
An endurance road bike from 2018, made in 6 sizes from 49 to 61.
Size
Stack 585 mmReach 375 mm
Geometry
| Size | ||||||
|---|---|---|---|---|---|---|
| Fit | ||||||
| Stack (mm)How high the front sits | 549 | 569 | 585 | 611 | 644 | 665 |
| Reach (mm)How far forward the bars start | 369 | 371 | 375 | 381 | 386 | 392 |
| Stack ÷ reach Higher = more upright | 1.49 | 1.53 | 1.56 | 1.60 | 1.67 | 1.70 |
| Top tube (effective) (mm)Horizontal top-tube length | 527 | 535 | 545 | 562 | 576 | 589 |
| Seat tube angle Saddle position over the pedals | 74° | 74° | 74° | 73.5° | 73.5° | 73.5° |
| Seat tube length (mm)Frame size reference | 425 | 462 | 481 | 501 | 522 | 563 |
| Head tube length (mm)Front-end height | 90 | 110 | 125 | 150 | 185 | 205 |
| Standover (mm)Clearance when you stop | 716 | 743 | 762 | 785 | 813 | 844 |
| Handling | ||||||
| Head tube angle Steeper = quicker steering | 72° | 72.3° | 72.8° | 73.5° | 73.5° | 74° |
| Fork offset (mm)Fork rake | 50 | 50 | 44 | 44 | 44 | 44 |
| Trail (mm)More = steadier steering | 59 | 57 | 61 | 55 | 55 | 52 |
| Wheelbase (mm)Longer = more stable | 981 | 987 | 987 | 993 | 1011 | 1018 |
| Chainstay (mm)Shorter = snappier | 413 | 413 | 415 | 415 | 418 | 418 |
| BB drop (mm)More = lower centre of gravity | 78 | 78 | 76 | 76 | 75 | 75 |
| BB height (mm)Pedal clearance in corners | 258 | 258 | 260 | 260 | 261 | 261 |
| Front centre (mm)Room for your toes | 580 | 586 | 584 | 590 | 605 | 612 |
Underlined values are calculated by BikeLens. A dash means the brand doesn't publish it.
How it rides
Endurance
A taller, more upright position that stays comfortable on long days and rough roads.
Handling, size 54
- Steering
- Neutral61 mm trail
- Wheelbase
- Balanced987 mm
- Chainstays
- Balanced415 mm
- BB drop
- Low76 mm
Bikes that fit like it
The closest road frames from other ranges, against size 54 here.
| Bike | Size | Stack | Reach |
|---|---|---|---|
| Canyon Endurace CFR AXS2026Stack +5 mm, reach +3 mm | M | +5 mm | +3 mm |
| Merida SCULTURA ENDURANCE 4002023Stack −1 mm, reach +5 mm | MD | −1 mm | +5 mm |
| Bianchi Infinito 105 DI22026Stack −1 mm, reach +2 mm | 55 | −1 mm | +2 mm |
| Wilier Granturismo SLR2024Stack +1 mm, reach +9 mm | L | +1 mm | +9 mm |
| Trek Domane AL 2 Gen 42026Stack +6 mm, reach +2 mm | 56 | +6 mm | +2 mm |
| Basso SV2026Stack −1 mm, reach +12 mm | 56 | −1 mm | +12 mm |
Other versions
Same frame, different parts
These builds share this exact geometry, so they fit the same.