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Sirrus 4.0

Sirrus 4.0

Part No. 90920-5104

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Size Chart
You have places to go, people to see, and fitness goals to achieve. We get it—life moves pretty fast, so it"s a good thing we made Sirrus to help you with all of it. Wherever you"re heading, Sirrus will take you there. Sirrus features a super light 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 2x9 Shimano Sora Road components for intuitive and precise shifting.
You have places to go, people to see, and fitness goals to achieve. We get it—life moves pretty fast, so it"s a good thing we made Sirrus to help you with all of it. Wherever you"re heading, Sirrus will take you there. Sirrus features a super light 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 2x9 Shimano Sora Road components for intuitive and precise shifting.

Technical Specifications

Frame Specialized FACT 9r carbon, Fitness Geometry, 12x142mm thru-axle, internal cable routing, flat-mount disc, Plug + Play fender mounts
Fork Specialized FACT carbon, 12x100mm thru-axle, flat-mount disc, Plug + Play fender mounts
Handlebars Double-butted alloy, 9-degree backsweep, 31.8mm
Stem Specialized, 3D-forged alloy, 4-bolt, 7-degree rise
Tape Specialized Body Geometry, lock-on, integrated bar ends, hidden 4/5mm hex key
Saddle Body Geometry Power Sport, steel rails
SeatPost Alloy, 12mm offset, 2-bolt clamp, 27.2mm
Front Brake Tektro HD-R280, hydraulic disc, resin pads, flat-mount, 160mm
Rear Brake Tektro HD-R280, hydraulic disc, resin pads, flat-mount, 140mm
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
Bottom Bracket Shimano threaded
Chain KMC X9, 9-speed w/ Missing Link™
Rims 700C disc, double-wall alloy, 22mm depth, 21mm internal width, 28h
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
Front Tire RoadSport Reflect, Wire bead, Blackbelt/Endurant Casing, 700x32c
Rear Tire RoadSport Reflect, Wire bead, Blackbelt/Endurant Casing, 700x32c
SWAT

Technical Specifications

Frame Specialized FACT 9r carbon, Fitness Geometry, 12x142mm thru-axle, internal cable routing, flat-mount disc, Plug + Play fender mounts
Fork Specialized FACT carbon, 12x100mm thru-axle, flat-mount disc, Plug + Play fender mounts
Handlebars Double-butted alloy, 9-degree backsweep, 31.8mm
Stem Specialized, 3D-forged alloy, 4-bolt, 7-degree rise
Tape Specialized Body Geometry, lock-on, integrated bar ends, hidden 4/5mm hex key
Saddle Body Geometry Power Sport, steel rails
SeatPost Alloy, 12mm offset, 2-bolt clamp, 27.2mm
Front Brake Tektro HD-R280, hydraulic disc, resin pads, flat-mount, 160mm
Rear Brake Tektro HD-R280, hydraulic disc, resin pads, flat-mount, 140mm
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
Bottom Bracket Shimano threaded
Chain KMC X9, 9-speed w/ Missing Link™
Rims 700C disc, double-wall alloy, 22mm depth, 21mm internal width, 28h
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
Front Tire RoadSport Reflect, Wire bead, Blackbelt/Endurant Casing, 700x32c
Rear Tire RoadSport Reflect, Wire bead, Blackbelt/Endurant Casing, 700x32c
SWAT

Geometry

Geometry Chart

Geometry

  XS S M L XL XXL
Stack 585mm 602mm 631mm 649mm 687mm 709mm
Reach 355mm 371mm 384mm 386mm 398mm 410mm
HeadTubeLength 125mm 143mm 169mm 186mm 223mm 246mm
HeadTubeAngle 70deg 70deg 71deg 71.5deg 72deg 72deg
B-BHeight 275mm 275mm 275mm 275mm 275mm 275mm
B-BDrop 70mm 70mm 70mm 70mm 70mm 70mm
Trail 71mm 71mm 65mm 62mm 58mm 58mm
ForkLength(full) 390mm 390mm 390mm 390mm 390mm 390mm
ForkRake/Offset 51mm 51mm 51mm 51mm 51mm 51mm
Front-Center 602mm 625mm 635mm 637mm 656mm 675mm
ChainstayLength 435mm 435mm 435mm 435mm 435mm 435mm
Wheelbase 1027mm 1050mm 1060mm 1063mm 1082mm 1101mm
TopTubeLength(Horizontal) 532mm 554mm 573mm 580mm 603mm 628mm
BikeStandoverHeight 714mm 756mm 788mm 813mm 849mm 875mm
SeatTubeLength 355mm 416mm 453mm 483mm 533mm 563mm
SeatTubeAngle 73.5deg 73.5deg 73.5deg 73.5deg 73.5deg 73deg

Geometry

Geometry Chart

Geometry

  XS S M L XL XXL
Stack 585mm 602mm 631mm 649mm 687mm 709mm
Reach 355mm 371mm 384mm 386mm 398mm 410mm
HeadTubeLength 125mm 143mm 169mm 186mm 223mm 246mm
HeadTubeAngle 70deg 70deg 71deg 71.5deg 72deg 72deg
B-BHeight 275mm 275mm 275mm 275mm 275mm 275mm
B-BDrop 70mm 70mm 70mm 70mm 70mm 70mm
Trail 71mm 71mm 65mm 62mm 58mm 58mm
ForkLength(full) 390mm 390mm 390mm 390mm 390mm 390mm
ForkRake/Offset 51mm 51mm 51mm 51mm 51mm 51mm
Front-Center 602mm 625mm 635mm 637mm 656mm 675mm
ChainstayLength 435mm 435mm 435mm 435mm 435mm 435mm
Wheelbase 1027mm 1050mm 1060mm 1063mm 1082mm 1101mm
TopTubeLength(Horizontal) 532mm 554mm 573mm 580mm 603mm 628mm
BikeStandoverHeight 714mm 756mm 788mm 813mm 849mm 875mm
SeatTubeLength 355mm 416mm 453mm 483mm 533mm 563mm
SeatTubeAngle 73.5deg 73.5deg 73.5deg 73.5deg 73.5deg 73deg