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Specialized · MY 2025

S-Works Roubaix SL8 - Shimano Dura-Ace Di2

359,790 CZK

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Weight: 7.25 kg
Motor: Not stated
Battery: Not stated
Travel front/rear: Not stated

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measurable advantage weaker value difference without a verdict

Differences only · on

There are no differences in the published specifications: both bikes have identical values for every compared item.

Specifications	Specialized S-Works Roubaix SL8 - Shimano Dura-Ace Di2
Frame
Frame	FACT 12R, Rider First Engineered™ (RFE), FreeFoil Shape Library tubes, threaded BB, 12x142mm thru-axle, flat-mount disc
Seat clamp	Hidden drop clamp
Suspension
Forks	Future Shock 3.3 w/ Smooth Boot, FACT Carbon 12x100mm, thru-axle, flat-mount disc
Brakes
Front brake	Shimano Dura-Ace, Hydraulic Disc, 160mm
Rear brake	Shimano Dura-Ace, Hydraulic Disc, 160mm
Motor
Drivetrain	Shimano Dura-Ace R9270, hydraulic disc
Front derailleur	Shimano Dura-Ace R9250, braze-on
Rear derailleur	Shimano Dura-Ace R9250, 12-speed
Cassette	Shimano Dura-Ace, 12-speed, 11-34t
Chain	Shimano Dura-Ace, 12-speed
Crankset	Shimano Dura-Ace R9200, HollowTech II, 12-speed with 4iiii Precision Pro dual-sided powermeter
Chainrings	50/34t
Bottom bracket	Shimano Dura-Ace, BB-R9100
Wheels and tyres
Front wheel	Roval Terra CLX II, 25mm internal width, 32mm depth, 21h, Tubeless ready, Roval LFD hub with ceramic SINC bearings, Centerlock disc, DT Swiss Aerolite spokes
Rear wheel	Roval Terra CLX II, 25mm internal width, 32mm depth, 24h, Tubeless ready, Roval LFD hub with ceramic SINC bearings, Centerlock disc, DT Swiss Aerolite spokes
Front tyre	S-Works Mondo 2BR, 700x32c
Rear tyre	S-Works Mondo 2BR, 700x32c
Inner tubes	700x28/38mm, 60mm Presta valve
Cockpit and contact points
Stem	S-Works Future Stem, w/ Integrated Computer Mount
Handlebars	S-Works Carbon Hover Drop 125mm, Reach 75mm, w/Di2 hole
Grips and bar tape	Supacaz Super Sticky Kush
Saddle	S-Works Power with Mirror
Seatpost	S-Works Pave Seat post
Weight
Weight	7.25 kg
Weight for size	56

Same size, fair comparison

Geometry by size

Geometry differences only

Geometry on the bike Hover over a table row — or tap it — and the dimension is drawn on the bike.

There are no differences for the selected sizes: their geometry is identical.

Dimension	S-Works Roubaix SL8 - Shimano Dura-Ace Di2 54
	172.5mm
Handlebar width mm	420mm
	100mm
Šířka sedla	143mm
	380mm
	585mm
	381mm
	122mm
	72.3°
	270mm
	78mm
	61mm
	375mm
	47mm
	598mm
	420mm
	1005mm
	550mm
	766mm
	465mm
	74°

The first bike is the reference for the sign of each difference. Green and red are used only where the direction is meaningful: lower weight and higher published electric motor output. Dimensions, travel, capacity, crank length and price are differences without an automatic verdict. “—” means the manufacturer has not published the value. We show weights in kilograms; the manufacturer’s values in pounds are not displayed.

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S-Works Roubaix SL8 - Shimano Dura-Ace Di2

Geometry by size

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