Specialized Roubaix Expert

An endurance road bike from 2019, made in 7 sizes from 49 to 64.

Compare size 56
Size

Geometry

Specialized Roubaix Expert geometry by frame size
Size
Fit
Stack (mm)549569585611644665679
Reach (mm)369371375381386392403
Stack ÷ reach 1.491.531.561.601.671.701.68
Top tube (effective) (mm)527535545562576589610
Seat tube angle 74°74°74°73.5°73.5°73.5°73°
Seat tube length (mm)425462481501522563584
Head tube length (mm)90110125150185205220
Standover (mm)716743762785813844861
Handling
Head tube angle 72°72.3°72.8°73.5°73.5°74°74°
Fork offset (mm)50504444444444
Trail (mm)59576155555252
Wheelbase (mm)981987987993101110181033
Chainstay (mm)413413415415418418418
BB drop (mm)78787676757575
BB height (mm)258258260260261261261
Front centre (mm)580586584590605612626

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.

Size 56 is more upright than 99% of the 218 road frames we track.

Handling, size 56

Steering
Neutral55 mm trail
Wheelbase
Balanced993 mm
Chainstays
Balanced415 mm
BB drop
Low76 mm

Bikes that fit like it

The closest road frames from other ranges, against size 56 here.

Bikes with a similar fit, compared with size 56 of this bike
BikeSize
Basso SV2026Stack −2 mm, reach +8 mm58
Basso Astra2026Stack −9 mm, reach +1 mm56
Canyon Endurace CF 7 AXS2026Stack same, reach +6 mmL
Trek Domane AL 2 Gen 42026Stack same, reach −1 mm58
Bianchi Infinito 105 DI22026Stack +4 mm, reach +3 mm59
Cannondale Synapse Carbon 2 LE2026Stack −1 mm, reach +12 mm58

Other versions

Model years

Same frame, different parts

These builds share this exact geometry, so they fit the same.