Bicycle Archive · Specification report

2018 Specialized Roubaix Expert

Velopedia Archive ID 900003288

Overview

Model year	2018
Brand	Specialized
Model	Roubaix Expert
Bicycle type	Road
Archive ID	900003288
Original MSRP	$3,600.00
Colors	Gloss Carbon/Chameleon Purple/Metallic White Silver; Gloss Flo Red/Red Flake/Black Reflective Clean
Sizes	52; 54; 56; 58; 61; 49

Frameset

Frame construction	Specialized FACT 10r carbon, Endurance Geometry, Rider-First Engineered™, 12x142mm thru-axle, Future Shock suspension, 20mm of travel, flat disc mounts
Frame material	Carbon Fiber
Fork	Specialized FACT carbon, 12x100mm thru-axle
Fork material	Carbon Fiber

Drivetrain

Shifters	Shimano Ultegra 8020, hydraulic disc
Front derailleur	Shimano Ultegra 8000, braze-on
Rear derailleur	Shimano Ultegra 8000, long cage, 11-speed
Crankset	Shimano Ultegra R8000; chainrings: 50/34T
Bottom bracket	Shimano Ultegra
Cassette	Shimano 11-speed Ultegra 8000, 11-32t
Chain	Shimano Ultegra, 11-speed
Pedals	Nylon, 105x78x28mm, loose balls w/ reflectors

Brakes

Brakes	(F) Shimano Ultegra 8020, hydraulic disc / (R) Shimano Ultegra 8020, hydraulic disc

Cockpit & contact points

Handlebar	Specialized Expert Hover, alloy, 75x125mm
Stem	Specialized Pro SL, alloy, 4-bolt
Saddle	Body Geometry Phenom Expert, Adaptive Edge design, hollow titanium rails, carbon fiber base, 143mm
Seatpost	Specialized CG-R, FACT carbon, single-bolt, 27.2mm

Wheels & tires

Wheels	(F) Roval SLX 24 Disc, DT Swiss 350 hubs, DT Swiss Competition spokes, 24h / (R) Roval SLX 24 Disc, DT Swiss 350 hubs, DT Swiss Competition spokes, 24h
Front tire	Turbo Pro, 60 TPI, folding bead, BlackBelt protection, 700x28mm
Rear tire	Turbo Pro, 60 TPI, folding bead, BlackBelt protection, 700x28mm

Geometry · 49

Effective top tube	527 mm
Head tube	90 mm
Head-tube angle	72°
Seat-tube angle	74°
Chainstay / rear center	413 mm
Wheelbase	981 mm
Bottom-bracket drop	77.5 mm
Reach	369 mm
Stack	549 mm
Standover height	715.5 mm
Fork offset / rake	50 mm
Front center	580 mm
Trail	58.5 mm
Seatpost length	350 mm
Crank length	170 mm
Stem length	80 mm
Handlebar width	400 mm

Geometry · 52

Effective top tube	534.9 mm
Head tube	110 mm
Head-tube angle	72.25°
Seat-tube angle	74°
Chainstay / rear center	413 mm
Wheelbase	987 mm
Bottom-bracket drop	77.5 mm
Reach	371 mm
Stack	569 mm
Standover height	743 mm
Fork offset / rake	50 mm
Front center	586 mm
Trail	57 mm
Seatpost length	350 mm
Crank length	170 mm
Stem length	90 mm
Handlebar width	420 mm

Geometry · 54

Effective top tube	545 mm
Head tube	125 mm
Head-tube angle	72.75°
Seat-tube angle	74°
Chainstay / rear center	415 mm
Wheelbase	987 mm
Bottom-bracket drop	76 mm
Reach	375 mm
Stack	585 mm
Standover height	762 mm
Fork offset / rake	44 mm
Front center	584 mm
Trail	61 mm
Seatpost length	400 mm
Crank length	172.5 mm
Stem length	100 mm
Handlebar width	420 mm

Geometry · 56

Effective top tube	561.8 mm
Head tube	150 mm
Head-tube angle	73.5°
Seat-tube angle	73.5°
Chainstay / rear center	415 mm
Wheelbase	993 mm
Bottom-bracket drop	76 mm
Reach	381 mm
Stack	611 mm
Standover height	785 mm
Fork offset / rake	44 mm
Front center	590 mm
Trail	55 mm
Seatpost length	400 mm
Crank length	172.5 mm
Stem length	100 mm
Handlebar width	420 mm

Geometry · 58

Effective top tube	576.3 mm
Head tube	185 mm
Head-tube angle	73.5°
Seat-tube angle	73.5°
Chainstay / rear center	418 mm
Wheelbase	1011 mm
Bottom-bracket drop	74.5 mm
Reach	386 mm
Stack	644 mm
Standover height	813 mm
Fork offset / rake	44 mm
Front center	605 mm
Trail	55 mm
Seatpost length	450 mm
Crank length	175 mm
Stem length	110 mm
Handlebar width	440 mm

Geometry · 61

Effective top tube	588.5 mm
Head tube	205 mm
Head-tube angle	74°
Seat-tube angle	73.5°
Chainstay / rear center	418 mm
Wheelbase	1018 mm
Bottom-bracket drop	74.5 mm
Reach	392 mm
Stack	665 mm
Standover height	844.3 mm
Fork offset / rake	44 mm
Front center	612 mm
Trail	52 mm
Seatpost length	450 mm
Crank length	175 mm
Stem length	110 mm
Handlebar width	440 mm

Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on October 26, 2026.