Specialized Sirrus X 4.0 Features
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
Product Specifications
Bottom Bracket |
Threaded Bsa 68mm, 24mm Spindle |
Cassette |
Sram Pg-1130, 11-speed, 11-42t |
Chain |
Kmc X11, 11-speed W/ Missing Link™ |
Chainrings |
40t |
Crankset |
Forged Aluminum Arms, 2-piece, 24mm Spindle, Narrow-wide Aluminum Chainring |
Fork |
Specialized Fact 9r Carbon Monocoque, Flat-mount Disc, 12x100mm Thru-axle, Low Rider Mounts, Plug + Play Fender Mounts, Future Shock 1.5 |
Frame |
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 |
Handlebars |
Alloy Mini Rise, 9-degree Backsweep, 15mm Rise, 31.8mm |
Inner Tubes |
700x28/38mm, 48mm Presta Valve |
Pedals |
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 |
Rims |
700c Disc, Double-wall Alloy, 22mm Depth, 21mm Internal Width, 32h |
Saddle |
Bridge Comp, Hollow Cr-mo Rails, 155/143mm |
Seat Binder |
Bolt-type, 31.8mm |
Seatpost |
Alloy, 2-bolt, 14mm Offset, 27.2mm |
Shift Levers |
Sram Nx, 11-speed |
Spokes |
Stainless, 14g |
Stem |
Future Stem, Comp |
Tape |
Specialized Neutralizer, Body Geometry, Locking Grip |
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