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Specialized Sirrus X 5.0 Large – IN STOCK


Categories: , Product ID: 134145


Boasting an unparalleled blend of comfort, effectiveness, and agile manoeuvring, the Sirrus X stands out whether on smooth roads, rough terrain, or anything in between.

1. SMOOTH, EFFICIENT, AND COMFORTABLE: The innovative Compliance Junction frame design of the Sirrus X offers the smoothest ride within its category. Engineered vertical compliance maintains control without compromising lateral stiffness, resulting in enhanced comfort, control, and efficiency on all surfaces, whether paved or gravel.

2. RIDER-FIRST ENGINEERED: Just like all Specialized carbon bikes, each frame’s geometry is meticulously designed. This ensures that every tube size and carbon composition is precisely chosen to achieve the perfect balance of stiffness, weight, and responsiveness. No matter your size, expect an unparalleled riding experience.

3. AGILE: With top-notch lightweight design, outstanding pedalling efficiency, and precise steering, the Sirrus X delivers confident, almost intuitive handling.

The Sirrux X is packed with features that make it a gamechanger in the ultimate ‘do it all’ bike,

  • Specialized FACT 9r carbon frame features internal cable routing.
  • 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.
  • The Compliance Junction provides just the right amount of flex and forgiveness across the carbon frame without sacrificing performance and efficiency.
  • 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.
  • Wide 38c Pathfinder tubeless-ready tires are ideal for mastering variable terrain, providing traction and comfort off the beaten path.
  • The minimalist yet efficient SRAM NX Eagle 1x drivetrain with wide-range gearing ensures smooth and reliable shifting.
  • Tektro hydraulic brakes with large 160mm rotors provide reliable stopping power on- and off-road.
  • 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.


Full build spec


Specialized FACT 9r Carbon, Fitness Geometry, 1x Drivetrain, 12×142 thru-axle, internal cable routing, flat-mount disc, Plug + Play rack/fender mounts

Seat Binder

Integrated w/ frame


Specialized FACT 9r Carbon Monocoque, flat-mount disc, 12x100mm thru-axle, low rider mounts, Plug + Play fender mounts, Future Shock 1.5


Double-butted alloy, 9-degree backsweep, 15mm rise, 31.8mm


Future Stem, Comp


Specialized Neutralizer, Body Geometry, locking grip


Body Geometry Power Sport, steel rails


Alloy, 2-bolt, 14mm offset, 27.2mm

Front Brake

Tektro HD-R510, hydraulic disc, 160mm

Rear Brake

Tektro HD-R510, hydraulic disc, 160mm

Shift Levers

SRAM SL NX Eagle Trigger

Rear Derailleur

SRAM NX Eagle, 12-speed


SRAM PG-1210 Eagle, 11-50t


SRAM S650, 3-piece, Powerspline



Bottom Bracket

SRAM Powerspline


SRAM NX Eagle, 12-speed



700C disc, double-wall alloy, 30mm depth, 21mm internal width

Front Hub

Alloy, sealed cartridge bearings, Center Lock, 12x100mm thru-axle, 24h

Rear Hub

Alloy, sealed cartridge bearings, Center Lock, 12x142mm thru-axle, 28h


Stainless, 14g

Front Tire

Pathfinder Pro, 2Bliss Ready, 700x38mm

Rear Tire

Pathfinder Pro, 2Bliss Ready, 700x38mm

Inner Tubes

700×28/38mm, 48mm Presta valve




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