Specialized  2011 Sirrus Expert Disc

Combining the heart of the world's best road bikes with a flat-bar, urban-friendly form, Sirrus Expert Disc redefines the notion of versatility. Hydraulic disc brakes add confident braking in any weather with any load, plus the lightweight carbon fork and 2x10 FSA/Shimano drivetrain means lighter weight, smoother ride, and flawless shifting.

Features

• All-new, super light E5 fully-manipulated alloy frame with carbon seatstays with Zertz, tapered head tube, internal routing will keep you ahead of the pack and get you to work with time to spare; rack/fender mounts for added utility
• Sturdy alloy fork with Cr-Mo steerer with disc and fender/rack mounts for the ultimate multi-purpose bike
• Flak Jacket protection and a grooved tread make the 28c Specialized Nimbus tires perfect for city or open road use
• Shimano 2x10 drivetrain with Ultegra rear derailleur, 12-28t cassette, and FSA compact crank for road-bike gearing and max efficiency
• Adjustable 4-position oversized forged alloy stem with 31.8mm bar clamp for strength and versatile positioning
• Body Geometry Targa gel grips lock on and help alleviate hand pain and tingling fingers; compatible with integrated bar ends for changing hand position
• Strong, reliable Shimano dual-piston hydraulic disc brakes for sure stopping and control in any weather with any load Sporty yet comfortable Body Geometry Targa Comp fitness saddle with light, durable Cr-Mo rails

Specifications

FRAME	Specialized A1 Premium aluminum, fully manipulated tubing, smooth weld compact design, internal cable routing, integrated headset, fender and rack eyelets
FORK	Specialized alloy, w/ disc mount
HEADSET	1 1/8" sealed Cr-Mo bearings integrated w/ headset, 20mm alloy cone spacer with 20mm of spacers
STEM	Specialized Elite-Set, 3D forged alloy, 4-position adjustable, 4-bolt 31.8mm clamp
HANDLEBARS	Specialized Sirrus Elite, 6061 aluminum, 31.8mm
TAPE	Body Geometry Comfort Grips open-end with plug, alloy barend
FRONT BRAKE	Hydraulic disc brake, dual piston w/ 160mm rotors
REAR BRAKE	Hydraulic disc brake, dual piston w/ 160mm rotors
BRAKE LEVERS	Forged alloy
FRONT DERAILLEUR	Shimano Tiagra for flat bar
REAR DERAILLEUR	Shimano 105
SHIFT LEVERS	Rapid-fire for flat bar
CASSETTE	Shimano HG-61, 9-speed, 11-28t
CHAIN	Shimano HG-73
CRANKSET	Shimano Tiagra
CHAINRINGS	50 x 34T
BOTTOM BRACKET	Included w/ frame
PEDALS	Black cage, body & toe clips w/ strap
RIMS	Mavic CXP22
FRONT HUB	CNC alloy, high-low flange, QR, 32h
REAR HUB	CNC alloy, double-sealed, cassette, QR, 32h
SPOKES	Stainless 14g
FRONT TIRE	Specialized All Condition Armadillo Elite, 700x28c, aramid bead, 120TPI,
REAR TIRE	Specialized All Condition Armadillo Elite, 700x28c, aramid bead, 120TPI,
INNER TUBES	Standard presta valve
SADDLE	Body Geometry Riva Road, 155mm width
SEATPOST	Specialized Elite, carbon wrapped alloy, two-bolt clamp, 27.2mm
SEAT BINDER	Alloy, 31.8mm
NOTES	Chain stay protector, chain catcher, clips and straps, derailleur hanger, clear coat, owners manual