Sirrus Expert Carbon X1

Fitness is not a fad. Case in point is the Sirrus Expert Carbon X1. It prioritizes comfort, speed, and simplicity with a SRAM one-by drivetrain, vibration-damping Zertz inserts, and hydraulic disc brakes. Add it up, and you get a bike that'll serve you on your quest for fitness.

Fitness is not a fad. Case in point is the Sirrus Expert Carbon X1. It prioritizes comfort, speed, and simplicity with a SRAM one-by drivetrain, vibration-damping Zertz inserts, and hydraulic disc brakes. Add it up, and you get a bike that'll serve you on your quest for fitness.

Part No:
    • FRAME

      Specialized FACT 9r carbon, Fitness Geometry, Zertz, X1-specific internal cable routing, tapered/integrated headset, post disc mount, Plug + Play fender mount

    • FORK

      Specialized FACT carbon, full monocoque, Zertz, post disc mounts, Plug + Play fender mounts

    • HEADSET

      FSA, Campy style, integrated cartridge bearings

    • STEM

      Specialized Flow Set, integrated, 3D forged alloy, 4-bolt, 12-degree rise

    • HANDLEBARS

      Specialized, flat bar, double-butted 6061 alloy, 10-degree backsweep, 4-degree upsweep, 31.8mm

    • TAPE

      Specialized Body Geometry Targa, lock-on, w/ integrated bar ends

    • FRONT BRAKE

      Shimano BR-M447, hydraulic disc, resin pads, 160mm rotor

    • REAR BRAKE

      Shimano BR-M447, hydraulic disc, resin pads, 160mm rotor

    • BRAKE LEVERS

      Shimano, hydraulic

    • REAR DERAILLEUR

      SRAM Rival 1, 11-speed

    • SHIFT LEVERS

      SRAM SL-700, trigger, 11-speed

    • CASSETTE

      Sunrace, 11-speed, 11-42t

    • CHAIN

      KMC X11SL DLC, 11-speed, w/ reusable MissingLink

    • CRANKSET

      FSA Gossamer Pro Megatooth, alloy, MegaEVO BB, 40T, 110mm BCD spider

    • BOTTOM BRACKET

      FSA MegaEvo, threaded

    • PEDALS

      Nylon body, alloy cage, low profile bearing system

    • FRONT WHEEL

      AXIS 2.0 Disc

    • REAR WHEEL

      AXIS 2.0 Disc

    • FRONT TIRE

      Specialized Espoir Sport Reflect, 60TPI, double BlackBelt protection, 700x30mm

    • REAR TIRE

      Specialized Espoir Sport Reflect, 60TPI, double BlackBelt protection, 700x30mm

    • INNER TUBES

      Standard, Presta valve

    • SADDLE

      Body Geometry Phenom Comp, hollow Cr-Mo rails, 143mm

    • SEATPOST

      Specialized CG-R, FACT carbon, single bolt, reflective, 27.2mm

    • SEAT BINDER

      Alloy, 31.6mm

    Specifications subject to change without notice.

Fitness is not a fad, and the Sirrus proves you're taking your fitness journey seriously. The Sirrus Expert Carbon combines a quality carbon frame and components with the simplicity of a X1 drivetrain to deliver a comfortable and fast ride. As you push yourself to reach your goals, the Sirrus will be a powerful ally to have on your health and wellbeing team.
  • Zertz inserts in the lightweight Specialized FACT 9r carbon frame, and agile and responsive Specialized FACT carbon full-monocoque fork, absorb road roughness and give you a smoother ride.
  • Axis 2.0 Disc wheels come fitted with reliable and tough Specialized Espoir Sport Reflect 30mm tires. These tires feature a reflective sidewall and BlackBelt casing for added comfort and puncture protection on your ride.
  • The frame is engineered and designed with Fitness Geometry, helping you ride more efficiently in a position that will see you riding comfortably, mile-after-mile, while the Body Geometry Phenom Comp reduces pressure and assures blood flow to sensitive arteries.
  • Versatility comes in the form of rack and fender mounts, allowing you to carry gear or to fend off road spray in inclement weather.
  • Reflective graphics are strategically located on the bike in order to increase your visibility to other riders and motorists in low-light conditions.
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Sirrus Expert Carbon X1

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Geometry

  S M L XL
Stack 574mm 591mm 616mm 650mm
Reach 395mm 403mm 410mm 420mm
Head-Tube Length 150mm 165mm 190mm 225mm
Head-Tube Angle 71° 71.5° 72° 72°
B-B Height 275mm 275mm 275mm 275mm
B-B Drop 70mm 70mm 70mm 70mm
Trail 65mm 62mm 58mm 58mm
Fork Length (full) 398mm 398mm 398mm 398mm
Fork Rake/Offset 51mm 51mm 51mm 51mm
Front-Center 627mm 635mm 645mm 666mm
Chain-Stay Length 435mm 435mm 435mm 435mm
Wheelbase 1052mm 1060mm 1070mm 1091mm
Top-Tube Length (horizontal) 568mm 578mm 598mm 619mm
Bike Stand-Over Height 752.2mm 784.6mm 821.9mm 860.3mm
Seat-Tube Length 440mm 485mm 530mm 570mm
Seat-Tube Angle 73.3° 73.5° 73° 73°
Handlebar Width 580mm 600mm 600mm 620mm
Stem Length 90mm 90mm 105mm 105mm
Crank Length 170mm 172.5mm 172.5mm 175mm
Seatpost Length 300mm 300mm 350mm 350mm

  • Stack 574mm
    Reach 395mm
    Head-Tube Length 150mm
    Head-Tube Angle 71°
    B-B Height 275mm
    B-B Drop 70mm
    Trail 65mm
    Fork Length (full) 398mm
    Fork Rake/Offset 51mm
    Front-Center 627mm
    Chain-Stay Length 435mm
    Wheelbase 1052mm
    Top-Tube Length (horizontal) 568mm
    Bike Stand-Over Height 752.2mm
    Seat-Tube Length 440mm
    Seat-Tube Angle 73.3°
    Handlebar Width 580mm
    Stem Length 90mm
    Crank Length 170mm
    Seatpost Length 300mm
    View S Geometry
  • Stack 591mm
    Reach 403mm
    Head-Tube Length 165mm
    Head-Tube Angle 71.5°
    B-B Height 275mm
    B-B Drop 70mm
    Trail 62mm
    Fork Length (full) 398mm
    Fork Rake/Offset 51mm
    Front-Center 635mm
    Chain-Stay Length 435mm
    Wheelbase 1060mm
    Top-Tube Length (horizontal) 578mm
    Bike Stand-Over Height 784.6mm
    Seat-Tube Length 485mm
    Seat-Tube Angle 73.5°
    Handlebar Width 600mm
    Stem Length 90mm
    Crank Length 172.5mm
    Seatpost Length 300mm
    View M Geometry
  • Stack 616mm
    Reach 410mm
    Head-Tube Length 190mm
    Head-Tube Angle 72°
    B-B Height 275mm
    B-B Drop 70mm
    Trail 58mm
    Fork Length (full) 398mm
    Fork Rake/Offset 51mm
    Front-Center 645mm
    Chain-Stay Length 435mm
    Wheelbase 1070mm
    Top-Tube Length (horizontal) 598mm
    Bike Stand-Over Height 821.9mm
    Seat-Tube Length 530mm
    Seat-Tube Angle 73°
    Handlebar Width 600mm
    Stem Length 105mm
    Crank Length 172.5mm
    Seatpost Length 350mm
    View L Geometry
  • Stack 650mm
    Reach 420mm
    Head-Tube Length 225mm
    Head-Tube Angle 72°
    B-B Height 275mm
    B-B Drop 70mm
    Trail 58mm
    Fork Length (full) 398mm
    Fork Rake/Offset 51mm
    Front-Center 666mm
    Chain-Stay Length 435mm
    Wheelbase 1091mm
    Top-Tube Length (horizontal) 619mm
    Bike Stand-Over Height 860.3mm
    Seat-Tube Length 570mm
    Seat-Tube Angle 73°
    Handlebar Width 620mm
    Stem Length 105mm
    Crank Length 175mm
    Seatpost Length 350mm
    View XL Geometry