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.
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Future Shock 1.5: 20mm of compliance to take the sting out of bumps and potholes — maximum comfort and control over the rough stuff.
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Carbon Fork + Lighter Frame: FACT 9r Carbon Monocoque fork and A1 SL alloy frame — 1.6lb (.8kg) lighter than the 3.0 model. No heavy hybrid with a suspension fork comes close.
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SRAM NX 1x11: Wide-range 1x11 SRAM NX shifting delivers precise, reliable shifting for the long haul.
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Confidence on Gravel: Bigger, confidence-inspiring Pathfinder 700x38 tires — at home on pavement and gravel alike.
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Premium Brakes: Tektro HD-R510 hydraulic disc brakes for powerful, consistent stopping in any condition.
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Body Geometry: Next-level comfort from scientifically tested ergonomically engineered saddle, handgrips, and pedals.
With a slightly more upright riding position, a super intuitive one-by drivetrain, and plenty of mounts for racks and fenders — Sirrus X 4.0 is dialed for everything from daily commutes to gravel adventures. Here's to your life on two wheels.
Future Shock 1.5
20mm of compliance to give maximum comfort and control over the rough stuff — takes the sting out of bumps and potholes.
Carbon Fork + Lighter Frame
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.
SRAM NX 1x11 Drivetrain
Wide-range 1x11 SRAM NX shifting delivers precise shifting for the long haul — upgraded from the 3.0's MicroSHIFT 1x9.
Premium Hydraulic Brakes
Tektro HD-R510 hydraulic disc brakes upgraded from the R280 — powerful, consistent stopping in any condition.
Pathfinder Tires
700x38 Pathfinder Sport tires deliver confidence on pavement and gravel alike.
Body Geometry Comfort
Next-level comfort from our scientifically tested and ergonomically engineered Shared Platform Body Geometry saddle, handgrips, and pedals.
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
Seat Binder
Bolt-type, 31.8mm
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
Drivetrain
Chainrings
30T, Narrow-wide Aluminum chainring
Crankset
Forged aluminum arms, 2-piece, 24mm spindle
Chain
KMC X11, 11-speed w/ Missing Link™
Shift Levers
SRAM NX, 11-speed
Rear Derailleur
SRAM NX, 11-speed
Cassette
SRAM PG-1130, 11-speed, 11-42t
Bottom Bracket
Threaded BSA 68mm, 24mm spindle
Wheels & Tires
Rims
700C disc, double-wall alloy, 22mm depth, 21mm internal width, 32h
Front Tire
Pathfinder Sport, 700x38mm
Rear Tire
Pathfinder Sport, 700x38mm
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
Inner Tubes
Standard 40mm Schrader Valve 700x32-50
Cockpit
Seatpost
Alloy, 2-bolt, 14mm offset, 27.2mm
Saddle
Bridge Comp, Hollow Cr-mo rails 155/143
Handlebars
Alloy Mini Rise, 9-degree backsweep, 15mm rise, 31.8mm
Grips
Specialized Neutralizer, Body Geometry, locking grip
Accessories
Pedals
Specialized Body Geometry Fitness, platform, plastic