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Specialized Sirrus X 4.0


Regular price $1,279.99 USD
Regular price $1,600.00 USD Sale price $1,279.99 USD Sale Sold out
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Sirrus X is your ticket to riding more, and to places you never imagined possible. It’s a comfortable, capable, “let’s do stuff” kind of bike that will inspire you to ride more than you ever have before. With bigger, confidence inspiring tires, a slightly more upright riding position, a super intuitive one-by drivetrain, and plenty of mounts for racks and fenders —it’s more than just a solid partner on pavement. Sirrus X is a dialed option when it’s time to hit some gravel. We’ve also equipped every Sirrus X with next-level comfort from our scientifically tested and ergonomically engineered Shared Platform Body Geometry saddle, handgrips, and pedals. We equipped Sirrus X 4.0 with the revolutionary Future Shock to take the sting out of bumps and potholes. Here’s to your life on two wheels.

  • Future Shock 1.5 delivers 20mm of compliance to give maximum comfort and control over the rough stuff.
  • Added Carbon Fork and an A1 SL alloy frame delivers a build 1.6lb (.8kg) lighter than the 3.0 model–no heavy hybrid featuring a mountain style suspension fork comes close.
  • Wide-range 1x11 SRAM NX shifting delivers precise shifting for the long haul.

Product Specifications

bottom bracket

Threaded Bsa 68mm, 24mm Spindle


Sram Pg-1130, 11-speed, 11-42t


Kmc X11, 11-speed W/ Missing Link™




Forged Aluminum Arms, 2-piece, 24mm Spindle, Narrow-wide Aluminum Chainring


Specialized Fact 9r Carbon Monocoque, Flat-mount Disc, 12x100mm Thru-axle, Low Rider Mounts, Plug + Play Fender Mounts, Future Shock 1.5


Specialized A1 Sl Premium Aluminum, Fitness Geometry, Fully Manipulated Butted Tubing, Internal Cable Routing, Flat-mount Disc, 12x142mm Thru-axle, Plug + Play Rack/fender Mounts

front brake

Tektro Hd-r510, Hydraulic Disc, 160mm

front hub

Alloy, Center Lock Disc, High-low Flange, Sealed Cartridge Bearings, 12x100mm Spacing, 24h

front tire

Pathfinder Sport, 700x38mm


Alloy Mini Rise, 9-degree Backsweep, 15mm Rise, 31.8mm

inner tubes

700x28/38mm, 48mm Presta Valve


Specialized Body Geometry Fitness, Platform, Plastic

rear brake

Tektro Hd-r510, Hydraulic Disc, 160mm

rear derailleur

Sram Nx, 11-speed

rear hub

Alloy, Center Lock Disc, High-low Flange, Sealed Cartridge Bearings, 12x142mm Spacing, 28h

rear tire

Pathfinder Sport, 700x38mm


700c Disc, Double-wall Alloy, 22mm Depth, 21mm Internal Width, 32h


Bridge Comp, Hollow Cr-mo Rails, 155/143mm

seat binder

Bolt-type, 31.8mm


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

shift levers

Sram Nx, 11-speed


Stainless, 14g


Future Stem, Comp


Specialized Neutralizer, Body Geometry, Locking Grip

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