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We understand that fitness bikes can get a bad rap. Most of the time, they err on…
Colour:
Black / Black Reflective / Gloss Black
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 reliable set of components that are built to withstand years of daily abuse, like comfortable Body Geometry touchpoints and fuss-free mechanical V-brakes. You'll also find rack and fender mounts, so lugging your stuff around town will surely be a whole lot easier. *While this frame platform was designed from the ground up for all riders, some of the models feature gender-specific touchpoints.
Working with our Body Geometry team, we designed a frame that strikes the optimal balance between comfort and efficiency. The A1 Premium Aluminum construction pairs weight savings with rugged durability, while the rack, fender, and disc mounts give you an incredibly versatile package.
A straight blade steel fork provides a responsive ride, while the fender and rack mounts give you the option to install fenders and racks that can keep you dry and transport your gear around town.
Body Geometry touchpoints take the sting out of riding with their ergonomically designed, scientifically tested shapes.
FRAME
Specialized A1 Premium Aluminum, Fitness Geometry, fully manipulated butted tubing, external cable routing, V-brake, quick-release, rack/fender mounts
FORK
Steel, V-brake, 1-1/8" steerer, QR, rack & fender mounts
HANDLEBARS
Double-butted alloy, 5-degree backsweep, 25.4mm
STEM
20-degree, 25.4mm clamp
TAPE
Specialized Body Geometry XCT, lock-on
SADDLE
Specialized Canopy Sport, steel rails, 155mm
SEATPOST
Alloy, 12mm offset, 2-bolt clamp, 27.2mm
SEAT BINDER
Bolt-type, 31.8mm
REAR BRAKE
V-brake linear pull
FRONT BRAKE
V-brake, linear pull
SHIFT LEVERS
Shimano EF500, 7-speed
FRONT DERAILLEUR
Shimano Tourney, top-swing, 31.8mm band clamp
REAR DERAILLEUR
Shimano Tourney TX, 7-speed
CASSETTE
Shimano HG200, 7-speed, 12-32t
CHAINRINGS
50/34T
BOTTOM BRACKET
BSA, square-taper, 68mm
CHAIN
KMC X8 w/ Missing Link™, 8-speed
RIMS
700C rim brake, double-wall alloy, 22mm depth, 21mm internal width, 32h
FRONT HUB
Alloy, loose ball bearings, quick-release, 32h
REAR HUB
Alloy, loose ball bearings, quick-release, 7-speed freehub, 32h
SPOKES
Stainless, 14g
FRONT TIRE
Nimbus 2 - 700x32C, no reflective sidewall
REAR TIRE
Nimbus 2 - 700x32C, no reflective sidewall
INNER TUBES
Schrader valve, 40mm
PEDALS
Specialized Body Geometry Fitness, platform, plastic
* Weights based on production painted frames as pictured. Actual weights will vary based on colourway, frame size, and component variation. Specifications are subject to change without notice.
S | M | L | XL | XXL | |
---|---|---|---|---|---|
Crank Length | 170MM | 170MM | 170MM | 175MM | 175MM |
Handlebar Width | 580mm | 580mm | 600mm | 600mm | 620mm |
Stem Length | 80mm | 80mm | 80mm | 100mm | 100mm |
Saddle Width | 155mm | 155mm | 155mm | 155mm | 155mm |
Seatpost Length | 300mm | 350mm | 350mm | 350mm | 350mm |
Stack | 564mm | 592mm | 610mm | 638mm | 670mm |
Reach | 388mm | 400mm | 402mm | 414mm | 426mm |
Head Tube Length | 133mm | 159mm | 176mm | 203mm | 236mm |
Head Tube Angle | 70° | 71° | 71.5° | 72° | 72° |
BB Height | 275mm | 275mm | 275mm | 275mm | 275mm |
BB Drop | 70mm | 70mm | 70mm | 70mm | 70mm |
Trail | 71mm | 65mm | 62mm | 58mm | 58mm |
Fork Length, Full | 410mm | 410mm | 410mm | 410mm | 410mm |
Fork Rake/Offset | 51mm | 51mm | 51mm | 51mm | 51mm |
Front Center | 626mm | 638mm | 640mm | 656mm | 678mm |
Chainstay Length | 440mm | 440mm | 440mm | 440mm | 440mm |
Wheelbase | 1056mm | 1068mm | 1071mm | 1087mm | 1109mm |
Top Tube Length, Horizontal | 555mm | 575mm | 583mm | 603mm | 631mm |
Bike Standover Height | 735mm | 775mm | 805mm | 845mm | 875mm |
Seat Tube Length | 430mm | 470mm | 510mm | 550mm | 580mm |
Seat Tube Angle | 73.5° | 73.5° | 73.5° | 73.5° | 73° |
For safety warning please refer to the documentation in the Manual Downloads section of this page.
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