2017 Specialized Sirrus Sport Carbon

Bottom Bracket

BB-7420STw/Bolts w/RPM logo

Cassette

Shimano, 9-speed, 11-34t

Chain

SRAM PC-971 w/PowerLink

Chainrings

48/32T w/chainguard

Crankset

FSA Vero, forged alloy, sub compact, 110mm BCD spider

Fork

Specialized FACT carbon, full monocoque, Zertz, post mount disc, Plug + Play fender mounts

Frame

Specialized FACT 9r carbon, Fitness Geometry, Zertz, internal cable routing, tapered/integrated headset, post disc mount, Plug + Play fender mount

Front Brake

Shimano M315 hydraulic disc, resin pads, 160mm rotor

Front Derailleur

microSHIFT R9, braze-on 9-speed, road double

Front Hub

Specialized Center Lock, loose ball bearings, 32h, 9mm QR

Front Tire

Espoir Sport Reflect, 700x30mm, 60TPI, double BlackBelt protection

Handlebars

Specialized, double-butted alloy, 9-degree backsweep, 31.8mm

Inner Tubes

OE PV standard Bulk Road 700, 28-38x622, Presta, 48mm valve

Pedals

Specialized Fitness platform, alloy

Rear Brake

Shimano M315 hydraulic disc, resin pads, 160mm rotor

Rear Derailleur

Shimano Alivio, 9-speed

Rear Hub

Shimano Center Lock, disc, 10x135mm QR, 32h

Rear Tire

Espoir Sport Reflect, 700x30mm, 60TPI, double BlackBelt protection

Rims

Disc, 6061 aluminum double-wall

Saddle

Canopy Comp, hollow Cr-Mo rails, 155mm

Seat Binder

rack mount seat collar 31.6mm ID, stainless steel bolt, 7075 clamp body

Seatpost

Alloy, 2-bolt, micro-adjust, 25mm offset, 27.2mm

Shift Levers

microSHIFT flatbar road, 9-speed

Spokes

Stainless, 14g w/self-locking threads

Stem

Specialized Flowset, integrated, 3D forged alloy, 4-bolt, 12-degree rise, 31.8mm clamp

Tape

Specialized Body Geometry Targa, lock-on, integrated bar ends