Specialized Roubaix Sport
An endurance road bike from 2021, made in 7 sizes from 44 to 61.
Size
Stack 585 mmReach 376 mm
Geometry
| Size | |||||||
|---|---|---|---|---|---|---|---|
| Fit | |||||||
| Stack (mm)How high the front sits | 540 | 555 | 570 | 585 | 605 | 630 | 665 |
| Reach (mm)How far forward the bars start | 353 | 363 | 368 | 376 | 384 | 392 | 398 |
| Stack ÷ reach Higher = more upright | 1.53 | 1.53 | 1.55 | 1.56 | 1.58 | 1.61 | 1.67 |
| Top tube (effective) (mm)Horizontal top-tube length | 508 | 522 | 531 | 544 | 563 | 579 | 595 |
| Seat tube angle Saddle position over the pedals | 74° | 74° | 74° | 74° | 73.5° | 73.5° | 73.5° |
| Seat tube length (mm)Frame size reference | 365 | 410 | 446 | 465 | 485 | 505 | 547 |
| Head tube length (mm)Front-end height | 90 | 100 | 112 | 125 | 143 | 170 | 205 |
| Standover (mm)Clearance when you stop | 682 | 715 | 743 | 762 | 783 | 805 | 844 |
| Handling | |||||||
| Head tube angle Steeper = quicker steering | 70° | 71.5° | 72° | 72.8° | 73.5° | 73.5° | 74° |
| Fork offset (mm)Fork rake | 50 | 50 | 50 | 44 | 44 | 44 | 44 |
| Trail (mm)More = steadier steering | 71 | 62 | 59 | 61 | 55 | 55 | 52 |
| Wheelbase (mm)Longer = more stable | 981 | 982 | 986 | 988 | 995 | 1014 | 1024 |
| Chainstay (mm)Shorter = snappier | 413 | 413 | 413 | 415 | 415 | 418 | 418 |
| BB drop (mm)More = lower centre of gravity | 78 | 78 | 78 | 76 | 76 | 75 | 75 |
| BB height (mm)Pedal clearance in corners | 258 | 258 | 258 | 260 | 260 | 261 | 261 |
| Front centre (mm)Room for your toes | 580 | 581 | 586 | 585 | 592 | 607 | 618 |
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
- Balanced988 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 |
|---|---|---|---|
| Merida SCULTURA ENDURANCE 4002023Stack −1 mm, reach +4 mm | MD | −1 mm | +4 mm |
| Canyon Endurace CFR AXS2026Stack +5 mm, reach +2 mm | M | +5 mm | +2 mm |
| Bianchi Infinito 105 DI22026Stack −1 mm, reach +1 mm | 55 | −1 mm | +1 mm |
| Wilier Granturismo SLR2024Stack +1 mm, reach +8 mm | L | +1 mm | +8 mm |
| Basso SV2026Stack −1 mm, reach +11 mm | 56 | −1 mm | +11 mm |
| Cannondale Synapse Carbon Tiagra2024Stack +5 mm, reach +10 mm | 56 | +5 mm | +10 mm |
Other versions
Same frame, different parts
These builds share this exact geometry, so they fit the same.