Bicycle Archive · Specification report

2017 Specialized Sirrus Disc

Velopedia Archive ID 900003624

Overview

Model year	2017
Brand	Specialized
Model	Sirrus Disc
Bicycle type	Hybrid
Archive ID	900003624
Colors	Navy/Black/Nordic; Nordic Red/Black/Charcoal
Sizes	S; M; L; XL

Frameset

Frame construction	Specialized A1 Premium Aluminum, Fitness Geometry, fully-manipulated butted tubing, integrated lower bearing, fender/rack mounts
Frame material	Aluminum
Fork	Steel, straight blades, IS disc mount, fender/rack mounts
Fork material	Steel

Drivetrain

Shifters	Shimano EF500, EZ Fire Plus, 8-speed
Front derailleur	Shimano Tourney, top swing, dual pull, 31.8mm band clamp
Rear derailleur	Shimano Altus, 8-speed
Crankset	Stout, forged alloy; chainrings: 48/38/28T w/chainguard
Bottom bracket	BSA, square taper, cartridge bearings
Cassette	Shimano, 8-speed, 11-32t
Chain	KMC X8, 8-speed w/reusable MissingLink
Pedals	Specialized Fitness platform

Brakes

Brakes	(F) Mechanical disc, resin pads, 160mm / (R) Mechanical disc, resin pads, 160mm

Cockpit & contact points

Handlebar	Specialized, alloy, 9-degree backsweep, 25.4mm
Stem	Alloy, 4-bolt, 20-degree rise, 25.4mm clamp
Saddle	Canopy Sport, steel rails
Seatpost	Alloy, 12mm offset, 2-bolt clamp, 27.2mm

Wheels & tires

Hubs	(F) Specialized disc, double-sealed, loose ball bearings, 9mm QR / (R) Specialized disc, loose ball bearings, for Shimano 8-/9-speed cassettes, QR
Rims	Disc, 6061 aluminum double-wall
Spokes	Stainless, 14g
Front tire	Nimbus Reflect, 700x32mm, 26TPI, Flak Jacket protection
Rear tire	Nimbus Reflect, 700x32mm, 26TPI, Flak Jacket protection

Geometry · XS

Seat tube	395 mm
Effective top tube	555 mm
Head tube	130 mm
Head-tube angle	70.5°
Seat-tube angle	73.5°
Chainstay / rear center	445 mm
Wheelbase	1056 mm
Bottom-bracket drop	70 mm
Bottom-bracket height	281 mm
Reach	388 mm
Stack	563 mm
Fork offset / rake	51 mm
Front center	621 mm
Trail	70 mm
Fork length / axle-to-crown	410 mm
Seatpost length	300 mm
Crank length	170 mm
Stem length	80 mm
Handlebar width	580 mm

Geometry · S

Seat tube	440 mm
Effective top tube	570 mm
Head tube	150 mm
Head-tube angle	71°
Seat-tube angle	73.3°
Chainstay / rear center	445 mm
Wheelbase	1065 mm
Bottom-bracket drop	70 mm
Bottom-bracket height	281 mm
Reach	394 mm
Stack	584 mm
Fork offset / rake	51 mm
Front center	629 mm
Trail	67 mm
Fork length / axle-to-crown	410 mm
Seatpost length	300 mm
Crank length	170 mm
Stem length	80 mm
Handlebar width	580 mm

Geometry · M

Seat tube	485 mm
Effective top tube	580 mm
Head tube	165 mm
Head-tube angle	71.5°
Seat-tube angle	73.5°
Chainstay / rear center	445 mm
Wheelbase	1073 mm
Bottom-bracket drop	70 mm
Bottom-bracket height	281 mm
Reach	402 mm
Stack	600 mm
Fork offset / rake	51 mm
Front center	637 mm
Trail	64 mm
Fork length / axle-to-crown	410 mm
Seatpost length	350 mm
Crank length	172.5 mm
Stem length	80 mm
Handlebar width	600 mm

Geometry · L

Seat tube	530 mm
Effective top tube	600 mm
Head tube	190 mm
Head-tube angle	72°
Seat-tube angle	73°
Chainstay / rear center	445 mm
Wheelbase	1082 mm
Bottom-bracket drop	70 mm
Bottom-bracket height	281 mm
Reach	409 mm
Stack	626 mm
Fork offset / rake	51 mm
Front center	647 mm
Trail	60 mm
Fork length / axle-to-crown	410 mm
Seatpost length	350 mm
Crank length	172.5 mm
Stem length	100 mm
Handlebar width	600 mm

Geometry · XL

Seat tube	570 mm
Effective top tube	620 mm
Head tube	225 mm
Head-tube angle	72°
Seat-tube angle	73°
Chainstay / rear center	445 mm
Wheelbase	1103 mm
Bottom-bracket drop	70 mm
Bottom-bracket height	281 mm
Reach	418 mm
Stack	659 mm
Fork offset / rake	51 mm
Front center	667 mm
Trail	60 mm
Fork length / axle-to-crown	410 mm
Seatpost length	350 mm
Crank length	175 mm
Stem length	100 mm
Handlebar width	620 mm

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