Sirrus Sport
Part No.  

Sirrus Sport

Part No.  
Sirrus Sport
Technical Specifications
Combining the heart of the world's best road bikes with a flat-bar, urban-friendly form, Sirrus Sport redefines the notion of versatility. 9-speed Shimano gearing keeps your pedaling efficient over varied terrain.
  • All-new, super light A1 Premium Aluminum fully-manipulated frame offers a great ride and versatility with rack/fender mounts, and wide tire clearance
  • Straight blade steel fork with fender mounts gives you all the durability you need to manage potholes and rough roads
  • Body Geometry Targa gel grips alleviate hand pain and tingling fingers for all-day riding comfort
  • Body Geometry Targa Sport fitness saddle is sporty, light, and comfortable for all types of riding
  • Flak Jacket protection and a grooved tread make the Specialized Nimbus tires perfect for city or open road use
  • Triple crankset plus 9-speed Shimano Alivio drivetrain for wide-range gearing and spot-on shifting, plus chainguard for peace of mind
  • Sirrus double-wall, machined rims for strength and reliable braking, plus alloy, sealed cassette hub with stainless spokes

Technical Specifications

BOTTOM BRACKET Sealed cartridge, square taper, 68mm
CHAIN KMC X9 nickel plate, reusable Missing Link
SHIFT LEVERS Shimano Acera Rapidfire, 9-speed
FRONT DERAILLEUR Shimano Acera, 31.8mm, top swing
CASSETTE Shimano Alivio, 9-speed, 11-32t
CHAINRINGS 48/36/26, w/ chainguard
REAR DERAILLEUR Shimano Acera 9-speed
FRONT HUB Forged alloy, sealed, alloy quick release, 32h
REAR HUB Forged alloy, sealed, cassette, alloy quick release, 32h
INNER TUBES Schrader valve
SPOKES Stainless 2.0mm threadlocked
RIMS Sirrus DLX700, double-wall, 700c, CNC machined, 32h
FRONT TIRE Specialized Nimbus w/ Flak Jacket, 26 TPI, 700x32c
REAR TIRE Specialized Nimbus w/ Flak Jacket protection, 26 TPI, 700x32c
SADDLE Body Geometry Targa Sport, 155mm
TAPE Body Geometry Targa, non-locking
SEATPOST Alloy, double bolt, 27.2mm
HANDLEBARS Sirrus alloy flat bar, 6-degree bend
STEM Alloy, 20-degree, 25.4mm clamp
FRONT BRAKE Alloy linear pull
BRAKE LEVERS Die cast ""V""-brake lever, linear pull
REAR BRAKE Alloy linear pull
PEDALS Sirrus pedal, 1.5mm Varus Wedge, nylon body with symmetric steel cage, low profile bearing system, toe clip capable
HEADSET 1-1/8"" Integrated cartridge lower, external sealed upper bearing
SEAT BINDER Alloy, 31.8mm
FORK Steel straight blade, fender eyelets
FRAME Specialized A1 Premium Aluminum, fully manipulated butted tubing, integrated lower bearing, fender/rack eyelets


Geometry Chart

- Geometry

Crank Length 170mm 170mm 175mm 175mm 175mm
Stem Length 75mm 90mm 90mm 100mm 100mm
Handle-Bar Width 580mm 580mm 580mm 580mm 580mm
Wheelbase 1056mm 1065mm 1073mm 1082mm 1103mm
Seat-Tube Length, B-B Center to Top 395mm 440mm 485mm 530mm 570mm
Head-Tube Length 130mm 150mm 165mm 190mm 225mm
Top-Tube Length, Horizontal 555mm 570mm 580mm 600mm 620mm
Front-Center 621mm 629mm 637mm 647mm 667mm
Head-Tube Angle 70.5° 71° 71.5° 72° 72°
Stand-Over Height 716mm 750mm 786mm 821mm 859mm
Fork Rake 51mm 51mm 51mm 51mm 51mm
Trail 70mm 67mm 63mm 60mm 60mm
Chain-Stay Length 445mm 445mm 445mm 445mm 445mm
Seat-Tube Angle 73.5° 73.25° 73.5° 73° 73°
B-B Drop 70mm 70mm 70mm 70mm 70mm
Seat-Post Length 300mm 350mm 350mm 350mm 350mm