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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More Capable: Bigger, confidence-inspiring Pathfinder 700x42 tires on pavement and gravel alike.
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Lightweight: Even lighter — 1.6 lbs (.8kg) lighter than Sirrus X 2.0 — thanks to an added A1 alloy fork.
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1x Drivetrain: Wide-range 1x9 MicroSHIFT with 11-42t cassette delivers excellent range on any road.
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More Powerful Brakes: Hydraulic disc brakes and premium 2-piece crank design for enhanced braking power and durability in tough conditions.
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Comfort First: Shared Platform Body Geometry saddle, handgrips, and pedals — scientifically tested and ergonomically engineered.
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Ready for More: Plenty of mounts for racks and fenders — it's more than just a partner on pavement, it's dialed for gravel too.
With a slightly more upright riding position, a super intuitive one-by drivetrain, and plenty of mounts for racks and fenders — Sirrus X is a dialed option when it's time to hit some gravel.
Lightweight Build
Even lighter (1.6 lbs / .8kg) than Sirrus X 2.0, and faster thanks to an added A1 alloy fork.
Wide-Range 1x9 Drivetrain
MicroSHIFT 1x9 with 11-42t cassette gives excellent range on any road — simple, intuitive shifting.
Powerful Hydraulic Brakes
More powerful hydraulic brakes and premium 2-piece crank design for enhanced braking power and durability in tough conditions.
Pathfinder Tires
700x42 Pathfinder Sport tires tackle pavement and gravel with confidence and grip.
Body Geometry Comfort
Next-level comfort from our scientifically tested and ergonomically engineered Shared Platform Body Geometry saddle, handgrips, and pedals.
Versatile Mounts
Plug + Play rack and fender mounts for versatility — ready for commuting, touring, or everyday riding.
Frameset
Frame
Specialized A1 Premium Aluminum, Fitness Geometry, butted tubing, internal cable routing, flat-mount disc, quick-release, Plug + Play rack/fender mounts
Seat Binder
Bolt-type, 31.8mm
Suspension
Fork
A1 Premium Aluminum, flat-mount disc, Plug + Play fender mounts, low rider rack mounts, quick-release
Brakes
Front Brake
Tektro HD-R280, hydraulic disc, resin pads, flat-mount, 160mm
Rear Brake
Tektro HD-R280, hydraulic disc, resin pads, flat-mount, 160mm
Drivetrain
Chainrings
30T, Narrow-wide steel chainring
Crankset
Forged aluminum arms, 2-piece, 24mm spindle
Chain
KMC X9, 9-speed w/ Missing Link™
Shift Levers
MicroSHIFT TrailTrigger Pro, 9-speed
Rear Derailleur
MicroSHIFT Advent, 1x9 w/ clutch
Cassette
MicroSHIFT Advent, 9-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, 700x42
Rear Tire
Pathfinder Sport, 700x42
Front Hub
Alloy, 6-bolt disc, loose ball bearing, quick-release, 32h
Rear Hub
Alloy, 6-bolt disc, 8-/9-speed freehub, loose ball bearing, quick-release, 32h
Inner Tubes
Standard 40mm PV 700x32-50
Cockpit
Stem
3D-forged alloy, 31.8mm, 7-degree rise
Seatpost
Alloy, 12mm offset, 2-bolt clamp, 27.2mm
Saddle
Bridge Sport, Steel rails, 155/143mm
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