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We understand that fitness bikes can get a bad rap. Most of the time, they err on…
We understand that fitness bikes can get a bad rap. Most of the time, they err on the side of value over performance, which leaves YOU feeling in between, and frankly, a little burned. But we're happy to say that our Sirrus is out to change that by providing the perfect blend of everyday efficiency with the performance you need to hit your fitness goals at speed. This Sirrus features a super light carbon fiber construction, as well as a reliable set of microSHIFT & Shimano components that are built to withstand years of daily abuse, powerful hydraulic disc brakes that provide reliable stopping power in any condition, and comfortable Body Geometry touchpoints that are sure 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 on your path to health and wellbeing. *While this frame platform was designed from the ground up for all riders, some of the models feature gender-specific touchpoints.
The FACT 9r carbon fiber frame is engineered and designed with our Fitness Geometry, so you'll be able to ride more efficiently and comfortably, no matter the distance.
The best part of the Sirrus? The Future Shock. It’s a piston in the head tube with 20mm of travel, so you get better vertical compliance and improved smoothness, speed, and comfort in one fell swoop
The lightweight FACT carbon fiber fork provides a smooth, responsive ride, while the Plug + Play fender mounts give you the option to install rain-fighting fenders.
Women's Body Geometry touchpoints take the sting out of riding with their ergonomically designed, scientifically tested shapes.
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
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
Myth Sport, steel rails, 155mm
SEATPOST
Carbon, single-bolt, 30.9mm
SEAT BINDER
Integrated w/ frame
REAR BRAKE
TRP Flow Set Control, hydraulic disc, resin pads, flat-mount, 160mm
FRONT BRAKE
TRP Flow Set Control, hydraulic disc, resin pads, flat-mount, 160mm
REAR DERAILLEUR
Shimano 105 R7000 GS, medium cage, 11-speed
CASSETTE
Shimano 105, 11-speed, 11-32t
CRANKSET
Praxis Alba
CHAINRINGS
48/32T
BOTTOM BRACKET
Praxis, Threaded bearings
CHAIN
KMC X11, 11-speed w/ Missing Link™
RIMS
700C disc, double-wall alloy, 30mm depth, 21mm internal width, disc-specific
FRONT HUB
Alloy, 6-bolt disc, sealed bearing, 12x100mm thru-axle, 28h
REAR HUB
6-bolt disc, sealed cartridge bearings, high-low flange, 12x142mm spacing, 28h
SPOKES
Stainless, 14g
FRONT TIRE
Espoir Sport Reflect, 60 TPI, wire bead, double BlackBelt protection, 700x30mm
REAR TIRE
Espoir Sport Reflect, 60 TPI, wire bead, double BlackBelt protection, 700x30mm
INNER TUBES
Presta, 48mm valve
PEDALS
Platform, alloy
* Weights based on production painted frames as pictured. Actual weights will vary based on colorway, frame size, and component variation. Specifications are subject to change without notice.
S | M | L | XL | |
---|---|---|---|---|
Crank Length | 165MM | 170MM | 170MM | 172.5MM |
Handlebar Width | 580mm | 580mm | 600mm | 600mm |
Stem Length | 70mm | 80mm | 90mm | 90mm |
Saddle Width | 155mm | 155mm | 155mm | 155mm |
Seatpost Length | 300mm | 300mm | 350mm | 350mm |
Stack | 585mm | 619mm | 631mm | 649mm |
Reach | 355mm | 366mm | 384mm | 386mm |
Head Tube Length | 125mm | 156mm | 169mm | 186mm |
Head Tube Angle | 70° | 71° | 71° | 71.5° |
BB Height | 275mm | 275mm | 275mm | 275mm |
BB Drop | 70mm | 70mm | 70mm | 70mm |
Trail | 71mm | 65mm | 65mm | 62mm |
Fork Length, Full | 390mm | 390mm | 390mm | 390mm |
Fork Rake/Offset | 51mm | 51mm | 51mm | 51mm |
Front Center | 602mm | 613mm | 635mm | 637mm |
Chainstay Length | 435mm | 435mm | 435mm | 435mm |
Wheelbase | 1027mm | 1039mm | 1060mm | 1063mm |
Top Tube Length, Horizontal | 532mm | 552mm | 573mm | 580mm |
Bike Standover Height | 714mm | 761mm | 788mm | 813mm |
Seat Tube Length | 355mm | 410mm | 452.8mm | 483mm |
Seat Tube Angle | 73.5° | 73.5° | 73.5° | 73.5° |
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