Product Info
Details + Specs
Sirrus X 4.0
Versatility for every day
Offering an unprecedented combination of comfort, efficiency, and nimble handling, the Sirrus X excels on pavement, dirt, and any terrain in between. Sirrus X 4. 0 pairs a Future Shock 1.
Best for: Fitness, commuting and versatile riding across pavement and light gravel.
At a glance
Frame
Specialized A1SL Premium Aluminum, Fitness Geometry, butted tubing…
Drivetrain
Shimano CUES, 11-speed, Shadow Plus
Cockpit
Alloy Mini Rise, 9° backsweep, 15mm rise, 31.8mm
Brakes
Shimano BR-MT200, hydraulic disc, 160mm rotor
Fork
Specialized FACT 9r Carbon Monocoque, Future Shock 1.5, flat-mount disc…
Front Brake
Shimano BR-MT200, hydraulic disc, 160mm rotor
Key highlights
20mm of front-end compliance smooths out rough pavement, gravel, and trail without sacrificing efficient handling.
a build 1. 6lb (0. 8kg) lighter than the Sirrus X 3. 0, with genuine carbon-fork compliance and control.
an 11-50t cassette and Shadow Plus clutch derailleur deliver simple, precise shifting from steep climbs to flat sprints.
every frame size is individually tuned for the same balance of rigidity, weight, and responsiveness.
Complete specification
Full build details
Components are grouped by bike system so the complete build is easy to scan.
Frameset
Frame
Specialized A1SL Premium Aluminum, Fitness Geometry, butted tubing, internal cable routing, flat-mount disc
Suspension
Fork
Specialized FACT 9r Carbon Monocoque, Future Shock 1.5, flat-mount disc, 12x100mm thru-axle
Brakes
Front Brake
Shimano BR-MT200, hydraulic disc, 160mm rotor
Rear Brake
Shimano BR-MT200, hydraulic disc, 160mm rotor
Drivetrain
Shift Levers
Shimano CUES SL-U6000, 11-speed
Rear Derailleur
Shimano CUES, 11-speed, Shadow Plus
Cassette
Shimano CUES CS-LG400-11, 11-speed, 11-50t
Chain
KMC eGlide, for CUES 11-speed
Crankset
Prowheel alloy, Narrow-Wide 42t, size-specific lengths (165/170/175mm)
Wheels and tyres
Wheels
700c double-wall alloy rims, 22mm depth, 21mm inner width, sealed cartridge hubs
Tyres
Pathfinder Wirebead Fast Gravel, 700x40C
Cockpit and contact points
Handlebars
Alloy Mini Rise, 9° backsweep, 15mm rise, 31.8mm
Stem
Future Stem, Comp
Seatpost
Alloy, 2-bolt, 14mm offset, 27.2mm
Saddle
Body Geometry Power Sport, steel rails
Component specifications are subject to change without notice.
Frequently bought with