• Carbon FACT 9 fork delivers comfort and saves nearly 3 pounds (1.2kg) over Sirrus 2.0 model.
• Through axle hub connection for positive wheel alignment and no rub Disc brakes.
• Wide range 2x10 MicroShift components for intuitive and precise shifting.

BICI SPECIALIZED SIRRUS 4.0 TECHNICAL SPECIFICATIONS

FRAME
Frame
Specialized A1 SL Premium Aluminum, Fitness geometry, fully manipulated butted tubing, internal cable routing, flat-mount disc, 12x142mm through-bolt, Plug + Play rack/fender mounts
SUSPENSIONS
Fork
Specialized FACT 9r carbon monocoque, flat-mount disc, 12x100mm thru-axle, low rider mounts, Plug + Play fender mounts, Future Shock 1.5
COCKPIT
Seatpost
Alloy, 2 bolts, 14 mm offset, 27.2 mm
Saddle
Body Geometry Power Sport, steel rails
Saddle Collar
Bolted, 31.8 mm
Handlebar bend
Double-curved alloy, 9-degree backsweep, 31.8 mm
Stem
Future Stem, Comp
Handlebar Tape
Specialized Body Geometry Contour, lock-on
BRAKES
Rear Brake
Tektro HD-R280, hydraulic disc, resin pads, flat mount, 140 mm
Front brake
Tektro HD-R280, hydraulic disc, resin pads, flat mount, 160 mm
TRANSMISSION
Gears
48/32T
Sprocket Pack
Sunrace CSRS0, 10-speed, 11-28t

Chain
KMC, X10, EPT anti-corrosion coating, 10-speed with Missing Link
Front Derailleur
MicroSHIFT FD-R522, band clamp
Rear derailleur
MicroSHIFT RD-R55S, short cage
Gear shifters
MicroSHIFT, 10-speed
Crankset
Praxis Alba M24, billet forged arms, 6061 outer ring, steel inner ring, 110 BCD, 10-speed
Bottom Bracket
Praxis M24, BSA
WHEELS & TIRES

Rims
700C disc, double-wall alloy, 22mm depth, 21mm inner width, 32h
Inner tubes
700x28/38mm, 48mm Presta valve
Rear hub
Alloy, 6-bolt disc, sealed cartridge bearings, high-low flange, 12x142mm thru axle, 28h
Front tire
RoadSport Reflect, flush bead, Blackbelt/Endurant casing, 700x32c
Rear tire
RoadSport Reflect, flush bead, Blackbelt/Endurant casing, 700x32c
Spokes
Stainless, 14g
WHEELS
Front hub
Alloy, 6-bolt disc, sealed cartridge bearing, high-low flange, 12x100mm through axle, 28h
ACCESSORIES
Pedals
Specialized Body Geometry Fitness, platform, plastic