Specialized Sirrus X 4.0
Best versatile hybrid for riders tackling both city streets and gravel paths.
This is the ultimate bridge between a dedicated road bike and a rugged commuter. It sheds significant weight with a carbon fork to keep your ride nimble, though you sacrifice the raw, stripped-down speed of a pure racer for the sake of all-day comfort and gravel-ready versatility.
$899.99
More Sirrus X options
Who it's for
- Commuters seeking relief from rough city streets and vibrations
- Riders wanting one bike for pavement and light gravel
- Cyclists prioritizing agility and easy handling on daily rides
Who should skip it
- Budget-conscious buyers looking for a basic fitness hybrid
- Owners preferring simple, low-maintenance bike mechanics
- Climbers or speed-focused commuters needing a wider gear range
Performance breakdown
Vibration Damping
Future Shock technology effectively isolates the rider from rough road chatter.
Versatility
Equally capable on smooth pavement and loose gravel paths.
Weight Efficiency
Carbon fork significantly reduces front-end weight for easier handling.
Drivetrain Simplicity
One-by setup eliminates front shifting complexity for intuitive gear changes.
Ergonomic Comfort
Body Geometry touchpoints prioritize rider comfort during longer fitness rides.
Utility Integration
Integrated rack and fender mounts make daily commuting highly practical.
Key Specs
Frame
Specialized A1 SL Premium Aluminum, Fitness Geometry, internal cable routing, flat-mount disc, 12x142mm thru-axle
Fork
Specialized FACT 9r Carbon Monocoque, flat-mount disc, 12x100mm thru-axle, Future Shock 1.5
Rims
700C disc, double-wall alloy, 21mm internal width
Tires
Pathfinder Sport, 700x38mm
Crankset
Forged aluminum arms, 2-piece, 24mm spindle, 40T
Shifters
SRAM NX, 11-speed
Rear Derailleur
SRAM NX, 11-speed
Handlebars
Stout Mini Rise, alloy, 9-degree backsweep, 31.8mm
Seatpost
Alloy, 2-bolt, 14mm offset, 27.2mm
Saddle
Bridge Comp, Hollow Cr-mo rails, 155/143mm
Know before you buy
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