2017 Sirrus Disc
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If your approach to fitness is no-nonsense and straightforward, our Sirrus Disc is…
Product Details
If your approach to fitness is no-nonsense and straightforward, our Sirrus Disc is for you. It's constructed from a durable, reliable, and light A1 Premium Aluminum, and it features a bombproof assortment of components, like mechanical disc brakes and Shimano shifting, that are sure to get the job done. Sprinkle in some added comfort from our Body Geometry components and a Fitness geometry that lives in the sweet spot between comfort and performance, and you have a bike that'll always be ready to go when it comes time to sweat.
The reliable and sturdy A1 Premium Aluminum frame features rack and fender mounts, allowing you to carry gear or to fend off road spray in inclement weather.
A steel, straight blade fork provides a responsive ride, while the fender and rack mounts give you the option to install rain-fighting fenders and racks that can transport your gear around town.
Mechanical disc brakes are reliable and powerful, without the hassle of brake bleeds and labor-intensive maintenance.
Technical Specifications
FRAMESET
FRAME
Specialized A1 Premium Aluminum, Fitness Geometry, fully-manipulated butted tubing, integrated lower bearing, fender/rack mounts
FORK
Steel, straight blades, IS disc mount, fender/rack mounts
SEAT BINDER
Alloy, 31.8mm
WHEELS
INNER TUBES
SPECIALIZED SV STANDARD BULK ROAD
RIMS
Disc, 6061 aluminum double-wall
FRONT HUB
Specialized disc, double-sealed, loose ball bearings, 9mm QR
REAR HUB
Specialized disc, loose ball bearings, for Shimano 8-/9-speed cassettes, QR
SPOKES
Stainless, 14g
FRONT TIRE
Nimbus Reflect, 700x32mm, 26TPI, Flak Jacket protection
REAR TIRE
Nimbus Reflect, 700x32mm, 26TPI, Flak Jacket protection
DRIVETRAIN
FRONT DERAILLEUR
Shimano Tourney, top swing, dual pull, 31.8mm band clamp
REAR DERAILLEUR
Shimano Altus, 8-speed
SHIFT LEVERS
Shimano EF500, EZ Fire Plus, 8-speed
CASSETTE
Shimano, 8-speed, 11-32t
CHAIN
KMC X8, 8-speed w/reusable MissingLink
CRANKSET
Stout, forged alloy
CHAINRINGS
48/38/28T w/chainguard
BOTTOM BRACKET
BSA, square taper, cartridge bearings
COCKPIT
STEM
Alloy, 4-bolt, 20-degree rise, 25.4mm clamp
HANDLEBARS
Specialized, alloy, 9-degree backsweep, 25.4mm
TAPE
Specialized Body Geometry Targa, lock-on
SADDLE
Canopy Sport, steel rails
SEATPOST
Alloy, 12mm offset, 2-bolt clamp, 27.2mm
BRAKES
FRONT BRAKE
Mechanical disc, resin pads, 160mm
REAR BRAKE
Mechanical disc, resin pads, 160mm
ACCESSORIES
PEDALS
Specialized Fitness platform
* 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.
Geometry
| XS | S | M | L | XL | |
|---|---|---|---|---|---|
| Crank Length | 170mm | 170mm | 172.5mm | 172.5mm | 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 | 300mm | 350mm | 350mm | 350mm |
| Seat-Tube Angle | 73.5° | 73.3° | 73.5° | 73° | 73° |
| Head-Tube Length | 130mm | 150mm | 165mm | 190mm | 225mm |
| Head-Tube Angle | 70.5° | 71° | 71.5° | 72° | 72° |
| Chain-Stay Length | 445mm | 445mm | 445mm | 445mm | 445mm |
| Front-Center | 621mm | 629mm | 637mm | 647mm | 667mm |
| B-B Drop | 70mm | 70mm | 70mm | 70mm | 70mm |
| B-B Height | 281mm | 281mm | 281mm | 281mm | 281mm |
| Bike Stand-Over Height | 716mm | 750mm | 786mm | 821mm | 859mm |
| Fork Length (full) | 410mm | 410mm | 410mm | 410mm | 410mm |
| Top-Tube Length (horizontal) | 555mm | 570mm | 580mm | 600mm | 620mm |
| Seat-Tube Length | 395mm | 440mm | 485mm | 530mm | 570mm |
| Stack | 563mm | 584mm | 600mm | 626mm | 659mm |
| Reach | 388mm | 394mm | 402mm | 409mm | 418mm |
| Trail | 70mm | 67mm | 64mm | 60mm | 60mm |
| Fork Rake/Offset | 51mm | 51mm | 51mm | 51mm | 51mm |
| Wheelbase | 1056mm | 1065mm | 1073mm | 1082mm | 1103mm |
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