Specialized S-Works Roubaix SL8 LTD – SRAM RED AXS

An all-round road bike from 2025, made in 7 sizes from 44 to 61.

Size

Stack 585 mmReach 381 mm

Geometry

Specialized S-Works Roubaix SL8 LTD – SRAM RED AXS geometry by frame size
Size
Fit
Stack (mm)How high the front sits	543	549	566	585	605	630	665
Reach (mm)How far forward the bars start	353	363	370	381	389	397	403
Stack ÷ reach Higher = more upright	1.54	1.51	1.53	1.54	1.56	1.59	1.65
Head tube length (mm)Front-end height	90	90	105	122	140	168	202
Standover (mm)Clearance when you stop	686	719	747	766	787	809	847
Handling
Head tube angle Steeper = quicker steering	69.3°	70.8°	71.5°	72.3°	73°	73°	73.5°
Fork offset (mm)Fork rake	52	52	52	47	47	47	47
Trail (mm)More = steadier steering	76	66	62	61	57	57	54
Wheelbase (mm)Longer = more stable	994	992	988	1005	1012	1031	1042
Chainstay (mm)Shorter = snappier	418	418	418	420	420	423	423
BB drop (mm)More = lower centre of gravity	80	80	80	78	78	78	78
BB height (mm)Pedal clearance in corners	256	256	256	258	258	258	258
Front centre (mm)Room for your toes	589	587	593	598	604	620	631

Underlined values are calculated by BikeLens. A dash means the brand doesn't publish it.

Between race and comfort. A good fit for sportives, club rides and fast days out.

Size 54 is more upright than 89% of the 218 road frames we track.

The closest road frames from other ranges, against size 54 here.

Bikes with a similar fit, compared with size 54 of this bike
Bike	Size	Stack	Reach
Bianchi Infinito 105 DI22026Stack −1 mm, reach −4 mm	55	−1 mm	−4 mm
Kross ALTA 2.02026Stack +3 mm, reach +3 mm	L	+3 mm	+3 mm
Merida SCULTURA ENDURANCE GR 2002026Stack −1 mm, reach −1 mm	MD	−1 mm	−1 mm
Wilier Granturismo SLR2024Stack +1 mm, reach +3 mm	L	+1 mm	+3 mm
Cube Attain C:62 Race2026Stack +6 mm, reach +4 mm	56	+6 mm	+4 mm
Basso Astra2026Stack −9 mm, reach −1 mm	53	−9 mm	−1 mm