Sirrus
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Sirrus

Part No.  
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Sirrus
Overview
Technical Specifications
Geometry
Reviews
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If you're going to get in shape you need to move, and nothing wants to help you move faster than our Sirrus. It takes a no-nonsense approach to its design, giving you everything that you need and nothing that you don't. This means that you can expect reliable components that are built to withstand years of daily abuse, a lightweight A1 Premium Aluminum frame that's corrosion-resistant, and comforting Body Geometry components that'll take the sting out of long rides. Complacency just met its match.
  • 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.
  • V-brakes are dependable and easy to maintain, so you won't have to worry about brake bleeds or labor-intensive maintenance to have awesome stopping power. 

Technical Specifications

DRIVETRAIN
BOTTOM BRACKET BSA, square taper, cartridge bearings
CHAIN KMC X8, 8-speed w/reusable MissingLink
CRANKSET Stout, forged alloy
SHIFT LEVERS Shimano EF500, EZ Fire Plus, 8-speed
FRONT DERAILLEUR Shimano Tourney, top swing, dual pull, 31.8mm band clamp
CASSETTE Shimano, 8-speed, 11-32t
CHAINRINGS 48/38/28T w/chainguard
REAR DERAILLEUR Shimano Altus, 8-speed
WHEELS
FRONT HUB Specialized V-brake, alloy, loose ball bearings, 9mm, QR
REAR HUB Specialized, 8-/9-speed cassette body, QR
INNER TUBES SPECIALIZED SV STANDARD BULK ROAD
SPOKES Stainless, 14g
RIMS 700c, 6061 aluminum double-wall
FRONT TIRE Nimbus Reflect, 700x32mm, 26TPI, Flak Jacket protection
REAR TIRE Nimbus Reflect, 700x32mm, 26TPI, Flak Jacket protection
COCKPIT
SADDLE Canopy Sport, steel rails
TAPE Specialized Body Geometry Targa, lock-on
SEATPOST Alloy, 12mm offset, 2-bolt clamp, 27.2mm
HANDLEBARS Specialized, alloy, 9-degree backsweep, 25.4mm
STEM Alloy, 4-bolt, 20-degree rise, 25.4mm clamp
BRAKES
FRONT BRAKE V-brake, linear pull
REAR BRAKE V-brake, linear pull
ACCESSORIES
PEDALS Specialized Fitness platform
FRAMESET
SEAT BINDER Alloy, 31.8mm
FORK Steel, straight blades, fender/rack mounts
FRAME Specialized A1 Premium Aluminum, Fitness Geometry, fully-manipulated butted tubing, integrated lower bearing, fender/rack mounts
* Specifications are subject to change without notice

Geometry

Geometry Chart

Sirrus - Geometry

XS S M L XL
  XS S M L XL
Crank Length 170MM 170MM 170MM 170MM 175mm
Stem Length 80mm 80mm 80mm 100mm 100mm
Seatpost Length 300mm 300mm 350mm 350mm 350mm
Saddle Width 155mm 155mm 155mm 155mm 155mm
Handlebar Width 580mm 580mm 600mm 600mm 620mm
Reach 388mm 394mm 402mm 409mm 418mm
Stack 563mm 584mm 600mm 626mm 659mm
Wheelbase 1056mm 1065mm 1073mm 1082mm 1103mm
Bike Stand-Over Height 716mm 750mm 786mm 821mm 859mm
Head-Tube Length 130mm 150mm 165mm 190mm 225mm
Front-Center 621mm 629mm 637mm 647mm 667mm
Fork Rake/Offset 51mm 51mm 51mm 51mm 51mm
Head-Tube Angle 70.5° 71° 71.5° 72° 72°
Trail 70mm 67mm 64mm 60mm 60mm
Chain-Stay Length 445mm 445mm 445mm 445mm 445mm
B-B Height 281mm 281mm 281mm 281mm 281mm
Seat-Tube Angle 73.5° 73.3° 73.5° 73° 73°
Fork Length (full) 410mm 410mm 410mm 410mm 410mm
B-B Drop 70mm 70mm 70mm 70mm 70mm
Seat-Tube Length 395mm 440mm 485mm 530mm 570mm
Top-Tube Length (horizontal) 555mm 570mm 580mm 600mm 620mm

Reviews