2020 Specialized

Sirrus X 4.0

A 700c aluminum frame fitness bike with upper mid-range components and hydraulic disc brakes.
Compare the full range

Manufacturer Price

$1,350
FrameAluminum
SuspensionHardtail, 20mm
ForkSpecialized Future Shock 1.5
Wheels700c Aluminum
Drivetrain3 × 10
GroupsetDeore
BrakesHydraulic Disc
Where to Buy
Similar Bikes

For This Bike

Accessories
Top Comparison
Insights
Ride Feel

Based on frame geometry and build specs.

Rider Position
relaxedaggressive
Sirrus X 4.0
Other Fitness bikes
Reviews
Bicycling
The Specialized Sirrus X 4.0 is One Heck of a Hybrid

Mar 2020

Smooth, fast, and utilitarian—this commuter has it all.

Highs
  • Future Shock in the head tube smooths the ride

  • Plenty of go-fast and hill-climbing gearing

  • Part smooth/part knobby, 38mm-wide tires

Lows
  • There are more affordable commuter/fitness options out there

Read Review

Geometry
99 Spokes on YouTube99 Spokes on YouTube
Specs
Build
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

Fork

Carbon Monocoque, 12x100mm flat thru-axle, flat mount disc, Future Shock 1.5

Travel20mm

Stem

Specialized, 3D-forged alloy, 4-bolt, 7-degree rise

Handlebar

Stout Mini Rise, alloy, 9-degree backsweep, 15mm rise, 31.8mm

Saddle

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

Seatpost

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

TypeRigid

Pedals

Specialized Body Geometry Fitness, platform, plastic

Groupset
Rear Derailleur

Shimano Deore, Shadow Plus, GS cage, 10-speed

Crank

Forged aluminum arms, 2-piece, 24mm spindle, Narrow-wide Aluminum chainring, 44/32/22T

Shifters

Shimano Deore, 10-speed

Chain

KMC X10, 10-speed w/ reusable Missing Link™

Brakes

Front: Shimano BR-MT200, hydraulic disc, 160mm, Rear: Shimano BR-MT200, hydraulic disc, 160mm

TypeHydraulic Disc

Wheels
Rims

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

Spokes

Stainless, 14g

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

Tires

Front: Pathfinder Sport, 700x38mm, Rear: Pathfinder Sport, 700x38mm

Rider Notes
Riders Also Viewed

Last updated October 13
Not listed for 1,312 days