Bicycle Archive · Specification report

2017 Specialized Roubaix SL4 Comp Di2

Velopedia Archive ID 900003801

Overview

Model year	2017
Brand	Specialized
Model	Roubaix SL4 Comp Di2
Bicycle type	Road
Archive ID	900003801
Colors	Carbon/metallic White Silver
Sizes	49; 52; 54; 56; 58; 61

Frameset

Frame construction	Specialized SL4 FACT 10r carbon, 1-1/8"" to 1-3/8"" head tube, compact race design, Zertz, internal rear brake cable, OSBB
Frame material	Carbon Fiber
Fork	FACT carbon fiber, full carbon monocoque, Zertz inserts
Fork material	Carbon Fiber

Drivetrain

Shifters	Shimano Ultegra Di2, 11-speed
Front derailleur	Shimano Ultegra Di2 6870, 11-speed, braze-on
Rear derailleur	Shimano Ultegra Di2, long cage, 11-speed
Crankset	Praxis Zayante; chainrings: 50/34T
Bottom bracket	Praxis
Cassette	Shimano 105, 11-speed, 11-32t
Chain	KMC X11, 11-speed

Brakes

Brakes	(F) Shimano 105 / (R) Shimano 105

Cockpit & contact points

Handlebar	Specialized Shallow Drop, alloy, 125mm drop, 75mm reach
Stem	Specialized, 3D forged alloy, 4-bolt, 7-degree rise
Saddle	Phenom Comp GT, hollow Cr-Mo rails, 143mm
Seatpost	Specialized CG-R, FACT carbon, single bolt, 27.2mm

Wheels & tires

Wheels	(F) Axis Elite, QR / (R) Axis Elite, QR
Front tire	Turbo Pro, 700x26mm, 60TPI, folding bead, BlackBelt protection
Rear tire	Turbo Pro, 700x26mm, 60TPI, folding bead, BlackBelt protection

Geometry · 49

Seat tube	445 mm
Effective top tube	514 mm
Head tube	125 mm
Head-tube angle	72°
Seat-tube angle	75.5°
Chainstay / rear center	412 mm
Wheelbase	983 mm
Bottom-bracket drop	73 mm
Bottom-bracket height	269.5 mm
Reach	378 mm
Stack	528 mm
Fork offset / rake	49 mm
Front center	582 mm
Trail	60 mm
Fork length / axle-to-crown	368 mm
Seatpost length	350 mm
Crank length	170 mm
Stem length	70 mm
Handlebar width	400 mm

Geometry · 52

Seat tube	475 mm
Effective top tube	536 mm
Head tube	145 mm
Head-tube angle	72°
Seat-tube angle	74°
Chainstay / rear center	412 mm
Wheelbase	990 mm
Bottom-bracket drop	73 mm
Bottom-bracket height	269.5 mm
Reach	379 mm
Stack	547 mm
Fork offset / rake	49 mm
Front center	589 mm
Trail	60 mm
Fork length / axle-to-crown	368 mm
Seatpost length	350 mm
Crank length	170 mm
Stem length	80 mm
Handlebar width	420 mm

Geometry · 54

Seat tube	495 mm
Effective top tube	547 mm
Head tube	165 mm
Head-tube angle	72°
Seat-tube angle	73.5°
Chainstay / rear center	415 mm
Wheelbase	1000 mm
Bottom-bracket drop	71.5 mm
Bottom-bracket height	271 mm
Reach	380 mm
Stack	564 mm
Fork offset / rake	49 mm
Front center	596 mm
Trail	60 mm
Fork length / axle-to-crown	368 mm
Seatpost length	350 mm
Crank length	172.5 mm
Stem length	90 mm
Handlebar width	420 mm

Geometry · 56

Seat tube	515 mm
Effective top tube	565 mm
Head tube	190 mm
Head-tube angle	72.5°
Seat-tube angle	73.25°
Chainstay / rear center	415 mm
Wheelbase	1011 mm
Bottom-bracket drop	71.5 mm
Bottom-bracket height	271 mm
Reach	387 mm
Stack	590 mm
Fork offset / rake	49 mm
Front center	606 mm
Trail	57 mm
Fork length / axle-to-crown	368 mm
Seatpost length	350 mm
Crank length	172.5 mm
Stem length	100 mm
Handlebar width	420 mm

Geometry · 58

Seat tube	540 mm
Effective top tube	582 mm
Head tube	225 mm
Head-tube angle	72.5°
Seat-tube angle	73°
Chainstay / rear center	418 mm
Wheelbase	1029 mm
Bottom-bracket drop	70 mm
Bottom-bracket height	272.5 mm
Reach	392 mm
Stack	622 mm
Fork offset / rake	49 mm
Front center	621 mm
Trail	57 mm
Fork length / axle-to-crown	368 mm
Seatpost length	350 mm
Crank length	175 mm
Stem length	100 mm
Handlebar width	440 mm

Geometry · 61

Seat tube	565 mm
Effective top tube	601 mm
Head tube	245 mm
Head-tube angle	73°
Seat-tube angle	72.5°
Chainstay / rear center	420 mm
Wheelbase	1039 mm
Bottom-bracket drop	70 mm
Bottom-bracket height	272.5 mm
Reach	398 mm
Stack	643 mm
Fork offset / rake	49 mm
Front center	628 mm
Trail	53 mm
Fork length / axle-to-crown	368 mm
Seatpost length	350 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 25, 2026.