Specialized Roubaix SL8 Sport 105 2025

Bike details

Overview

Key information split into simple groups.

Bike summary

Category
- Road
- |
- Endurance
Frame Carbon
Fork Specialized Future Shock
Groupset 105
Suspension Hardtail
Drivetrain 2 × 12
Brakes Hydraulic Disc

Parts list

Components

Main components, grouped by system.

Bike components

Frame

FACT 10R, Rider First Engineered™ (RFE), FreeFoil Shape Library tubes, threaded BB, 12x142mm thru-axle, flat-mount disc

Suspension Fork

Future Shock 3.1 w/ Smooth Boot, FACT Carbon 12x100mm, thru-axle, flat-mount disc

Drivetrain

Rear Derailleur

Shimnao 105 R7100, 12-Speed

Front Derailleur

Shimano 105 R7100, braze-on

Shift Levers

Shimano 105 R7120, Hydraulic Disc

Cassette

Shimano 105, 12-speed, 11-36T

Crank

Shimano 105, 12-Speed, 50/34T

Bottom Bracket

Shimano BSA

Chain

Shimano 105, 12-Speed

Wheels

Rims

Front: DT Swiss G540 rim, 24mm internal width, tubeless ready, 24h, Specialized full sealed bearing thru axle hub, centerlock disc, DT Swiss Champion 14G stainless steel spokes, DT Swiss brass nipples, Rear: DT Swiss G540 rim, 24mm internal width, tubeless ready, 24h, Specialized full sealed bearing thru axle hub, centerlock disc, DT Swiss Champion 14G stainless steel spokes, DT Swiss brass nipples

Tires

Front: S-Works Mondo 2BR, 700x32c, Rear: S-Works Mondo 2BR, 700x32c

Brakes

Front: Shimano 105 Hydraulic Disc, Rear: Shimano 105 Hydraulic Disc

Cockpit

Stem

Future Stem Comp

Handlebar

Specialized Hover Comp, Alloy, 125mm Drop, 75mm Reach w/Di2 Hole

Seat

Saddle

Body Geometry Power Sport, steel rails

Seatpost

S-Works Pave Seat post

Fit data

Geometry

Numbers for sizing and ride feel.

Size	44cm	49cm	52cm	54cm	56cm	58cm	61cm	64cm
Stack Reach Ratio	1.538 mm	1.512 mm	1.53 mm	1.535 mm	1.555 mm	1.587 mm	1.65 mm	1.675 mm
Bottom Bracket Height	269 mm	269 mm	269 mm	270 mm	270 mm	271 mm	271 mm	271 mm
Front Center	589 mm	587 mm	593 mm	598 mm	604 mm	620 mm	631 mm	634 mm
Rake	52 mm	52 mm	52 mm	47 mm	47 mm	47 mm	47 mm	47 mm
Trail	76 mm	66 mm	62 mm	61 mm	57 mm	57 mm	54 mm	54 mm
Stack	543 mm	549 mm	566 mm	585 mm	605 mm	630 mm	665 mm	685 mm
Reach	353 mm	363 mm	370 mm	381 mm	389 mm	397 mm	403 mm	409 mm
Top Tube Length	503 mm	523 mm	534 mm	550 mm	569 mm	584 mm	600 mm	618 mm
Seat Tube Angle	75 °	74 °	74 °	74 °	73.5 °	73.5 °	73.5 °	73 °
Seat Tube Length	365 mm	410 mm	446 mm	465 mm	485 mm	505 mm	545 mm	581 mm
Head Tube Angle	69.3 °	70.8 °	71.5 °	72.3 °	73 °	73 °	73.5 °	73.5 °
Head Tube Length	90 mm	90 mm	105 mm	122 mm	140 mm	168 mm	202 mm	222 mm
Chainstay Length	418 mm	418 mm	418 mm	420 mm	420 mm	423 mm	423 mm	423 mm
Wheelbase	994 mm	992 mm	998 mm	1005 mm	1012 mm	1031 mm	1042 mm	1054 mm
Bottom Bracket Drop	80 mm	80 mm	80 mm	78 mm	78 mm	78 mm	78 mm	78 mm
Standover Height	686 mm	719 mm	747 mm	766 mm	787 mm	809 mm	847 mm	865 mm
Wheels	700	700	700	700	700	700	700	700

Model years

Specialized Roubaix SL8 Sport 105 2025

Key information split into simple groups.

Bike summary

Main components, grouped by system.

Bike components

Frame

Frame

Suspension Fork

Drivetrain

Rear Derailleur

Front Derailleur

Shift Levers

Cassette

Crank

Bottom Bracket

Chain

Wheels

Rims

Tires

Brakes

Brakes

Cockpit

Stem

Handlebar

Seat

Saddle

Seatpost

Numbers for sizing and ride feel.

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