Product Info

The 2020 Specialized Sirrus 4.0 features a super light Aluminum Alloy and carbon fiber construction, as well as reliable Shimano components that are built to withstand years of daily abuse on the world’s pavement. Powerful hydraulic disc brakes provide reliable stopping power in any condition, and comfortable, ergonomically designed Body Geometry touchpoints are there to take the sting out of longer rides. So, as you push yourself to reach your goals, you’ll feel more connected to your bike and know that you have the perfect partner with Sirrus.
  • Carbon fact 9 frame and fork saves over 1.4 pounds (.6kg) and is a piece of art all unto itself.
  • Through axle hub connection for positive wheel alignment and no rub Disc brakes.
  • Wide range 2×9 Shimano Sora Road components for intuitive and precise shifting.

FRAME
Specialized FACT 9r carbon, Fitness Geometry, 12x142mm thru-axle, internal cable routing, flat-mount disc, Plug + Play fender mounts
FORK
Specialized FACT 9r carbon, 12x100mm thru-axle, flat-mount disc, Plug + Play fender mounts
FRONT HUB
Alloy, 6-bolt disc, sealed cartridge bearing, high-low flange, 12x100mm thru-axle, 28h
REAR HUB
Alloy, 6-bolt disc, sealed cartridge bearings, high-low flange, 12x142mm thru-axle, 28h
SPOKES
Stainless, 14g
RIMS
700C disc, double-wall alloy, 22mm depth, 21mm internal width, 28h
INNER TUBES
Presta, 48mm valve
FRONT TYRE
RoadSport Reflect, Wire bead, Blackbelt/Endurant Casing, 700x32c
REAR TYRE
RoadSport Reflect, Wire bead, Blackbelt/Endurant Casing, 700x32c
CRANKSET
2-piece, forged arms, 24mm spindle, steel chainrings w/ chainguard
CHAINRINGS
48/32T
BOTTOM BRACKET
BSA for 24mm spindle
SHIFT LEVERS
microSHIFT, 9-speed
FRONT DERAILLEUR
microSHIFT R9, 9-speed, 31.8mm clamp
REAR DERAILLEUR
Shimano Sora, 9-speed
CASSETTE
Shimano Sora, 9-speed, 11-34t
CHAIN
KMC X9, 9-speed w/ Missing Link™
FRONT BRAKE
Tektro HD-R280, hydraulic disc, resin pads, flat-mount, 160mm
REAR BRAKE
Tektro HD-R280, hydraulic disc, resin pads, flat-mount, 140mm
HANDLEBARS
Double-butted alloy, 9-degree backsweep, 31.8mm
TAPE
Specialized Body Geometry, lock-on, integrated bar ends, hidden 4/5mm hex key
STEM
Specialized, 3D-forged alloy, 4-bolt, 7-degree rise
SADDLE
Specialized Power, hollow steel rails, 155/143mm
SEATPOST
Alloy, 12mm offset, 2-bolt clamp, 27.2mm
SEAT BINDER
Integrated w/ frame
PEDALS
Specialized Body Geometry Fitness, platform, plastic

Options

Weight 15 kg
Dimensions 160 × 25 × 80 cm
Colour

Lilac, Silver

Size

X-Small, Small, Medium, Large, X-Large

The following sizes are recommended based on the height of the rider. If you would like more advice or are unsure which size you need please book a Bike Sizing
SizeHeight (ft)Height (cm)
S5'1" - 5'5"155 - 165
M5'5" - 5'9"165 - 175
L5'9" - 6'0"175 - 183
XL6'0" - 6'4"183 - 193
XXL6'3" - 6'6"191 - 198
Free Click & Collect
Pickup from a Bike Society store.

Available from 1-2 days.

Free Home Delivery (Adelaide)
within Adelaide metro area.

Available from 1-2 working days.

Courier
Australia wide, live rate.

Sorry, Courier delivery not available on Specialized or Scott bikes.

Available shipping options show at Checkout.

Specialized and Scott bikes are only available for Click & Collect or Home Delivery within Adelaide Metro. In order for customers to receive the best experience, we can no longer ship these bikes.