2024 Sirrus X 4.0

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.

Drivetrain

Chainrings

40t, chainguard

Crankset

Forged aluminum arms, 24mm spindle, Narrow-wide aluminum chainring 40t, chainguard

Chain

KMC X11, 11-speed w/ Missing Link™

Rear Derailleur

SRAM NX, 11-speed

Shift Levers

SRAM NX, 11-speed

Cassette

SRAM PG-1130, 11-speed, 11-42t

Bottom Bracket

Threaded BSA 68mm

Wheels & Tires

Rims

700C disc, double-wall alloy, 22mm depth, 21mm internal width, 32h

Inner Tubes

700x28/38mm, 48mm Presta valve

Front Hub

Alloy, Center Lock disc, high-low flange, sealed cartridge bearings, 12x100mm spacing, 24H

Rear Hub

Alloy, Center Lock disc, high-low flange, sealed cartridge bearings, 12x142mm spacing, 28H

Front Tire

Pathfinder Sport, 700x38mm

Rear Tire

Pathfinder Sport, 700x38mm

Spokes

Stainless, 14g

Cockpit

Handlebars

Alloy Mini Rise, 9-degree backsweep, 15mm rise, 31.8mm

SeatPost

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

Seat Binder

Bolt-type, 31.8mm

Saddle

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

Stem

Future Stem, Comp

Tape

Specialized Neutralizer, Body Geometry, locking grip

Frameset

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

Accessories

Pedals

Specialized Body Geometry Fitness, platform, plastic

SUSPENSION

Fork

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

Brakes

Front Brake

Tektro HD-R510, hydraulic disc, 160mm

Rear Brake

Tektro HD-R510, hydraulic disc, 160mm