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Specialized Sirrus X 5.0 (Satin Obsidian) (M)

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Offering an unprecedented combination of comfort, efficiency, and nimble handling, the Sirrus X excels on pavement, dirt, and any terrain in between.

SMOOTH, COMFORTABLE, AND EFFICIENT: The patent pending Compliance Junction frame design of the Sirrus X provides the smoothest ride in its class. Engineered vertical compliance without sacrificing lateral rigidity translates to more comfort, control, and efficiency on all roads, paved or gravel.

RIDER-FIRST ENGINEERED: Like all Specialized carbon bikes, the geometry of each frame is uniquely crafted. This means that for every frame, each tube size and carbon layup is specifically selected to achieve the optimal balance of rigidity, weight, and responsiveness to ensure that no matter what size you’re riding, you’re going to experience the world’s best ride.

NIMBLE: Class-leading light-weight, exceptional pedaling efficiency, and steering precision merge for confident, nearly telepathic handling characteristics.

Features:
  • Future Shock 1.5, Specialized’s unique suspension design, is placed inside the headtube to prevent harsh frequencies caused by bumps in the road from reaching the handlebars.
  • Sirrus X 5.0 is fender and rack compatible with top tube and fork mounts, and racks can be used with 51c DRYTECH fenders, making Sirrus easy to rack and roll.
  • Specialized FACT 9r carbon frame features internal cable routing.
  • Tektro hydraulic brakes with large 160mm rotors provide reliable stopping power on- and off-road.
  • The Compliance Junction provides just the right amount of flex and forgiveness across the carbon frame without sacrificing performance and efficiency.
  • The minimalist yet efficient SRAM NX Eagle 1x drivetrain with wide-range gearing ensures smooth and reliable shifting.
  • Using our Rider-First Engineered™ philosophy, the geometry of each frame is uniquely crafted. Each tube size and carbon layup is specifically selected to achieve the optimal balance of rigidity, weight, and responsiveness no matter the frame size.
  • Wide 38c Pathfinder tubeless-ready tires are ideal for mastering variable terrain, providing traction and comfort off the beaten path.

This product was added to our catalog on April 22, 2025

Sizing Recommendations for Riders Who Fall Between Sizes:

  • Sizing down will provide a more maneuverable ride while sizing up will provide more stability
Rider Height (Feet)Rider Height (CM)
XS4'11" - 5'2"150 - 158cm
S5'1" - 5'5"155 - 165cm
M5'5" - 5'9"165 - 175cm
L5'9" - 6'0"175 - 183cm
XL6'0" - 6'4"183 - 193cm
XXL6'4" - 6'6"193 - 198cm

Note: All sizing recommendations are provided by the manufacturer and may differ for each rider.

    SizeXSSMLXLXXL
    Crank Length165mm170mm170mm175mm175mm175mm
    Handlebar Width680mm680mm680mm680mm680mm680mm
    Stem Length60mm70mm80mm90mm100mm110mm
    Seatpost Length300mm300mm350mm350mm400mm400mm
    Saddle Width155mm155mm141mm143mm143mm143mm
    Stack580mm600mm625mm650mm680mm710mm
    Reach350mm365mm380mm395mm410mm425mm
    Head Tube Length107mm128mm151mm176mm208mm237mm
    Head Tube Angle69.5°69.5°70.5°70.5°70.5°71°
    BB Height268mm268mm268mm268mm268mm268mm
    BB Drop80mm80mm80mm80mm80mm80mm
    Trail76mm76mm72mm69mm69mm66mm
    Fork Length, Full395mm395mm395mm395mm395mm395mm
    Fork Rake/Offset51mm51mm51mm51mm51mm51mm
    Front Center597mm619mm637mm656mm681mm700mm
    Chainstay Length440mm440mm440mm440mm440mm440mm
    Wheelbase1024mm1047mm1065mm1084mm1109mm1128mm
    Top Tube Length (Horizontal)521mm547mm568mm590mm614mm644mm
    Bike Standover Height703.3mm748.3mm780.5mm807.1mm847.7mm872.5mm
    Seat Tube Length355mm416mm453mm483mm533mm563mm
    Seat Tube Angle74°73.5°73.5°73.5°73.5°73°

    Note: All measurements are provided by the manufacturer and may vary depending on how measurements are acquired.

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