2021 Specialized

Sirrus X 3.0

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

MSRP$1,100
FrameAluminum
SuspensionRigid
ForkAluminum
Wheels700c Aluminum
Drivetrain1 × 10
GroupsetDeore
BrakesHydraulic Disc
Similar Bikes

For This Bike

Accessories
Top Comparison
Insights
Ride Feel

Based on frame geometry and build specs.

Rider Position
relaxedaggressive
Sirrus X 3.0
Other Fitness bikes
Gearing

A bike with lower gearing will be easier to ride up steep hills, while a higher top end means it will pedal faster down hills.

Lowest gear

(climbing)

31 mph

Sirrus X 3.0

35 mph

Similar Bikes

Highest gear

(descending)

Spec Level

Based on build material and quality level of the frame, fork, wheelset, groupset, suspension system, and more.

Compare the full Sirrus X model range

View Comparison
Reviews
road.cc
Specialized Sirrus X 3.0

May 2022 · Stu Kerton

Hybrid do-it-all with a bit of edge and attitude, just as happy around town as it is on the byways

Highs
  • Capable on the gravel and road

  • Good spread of gears

  • Excellent hydraulic brakes

  • Reflective detailing is eye-catching

Lows
  • Flat bar makes filtering through urban traffic trickier

Read Review

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 Premium Aluminum, Fitness Geometry, butted tubing, internal cable routing, flat-mount disc, quick-release, Plug + Play rack/fender mounts

BB StandardBSA, 68mm, Threaded

ColorsSatin Cast Black / Satin Black / Black Reflective; Gloss Raspberry / Tarmac Black / Satin Black Reflective; Gloss Flake Silver / Ice Yellow / Satin Black Reflective

Fork

A1 Premium Aluminum, flat-mount disc, Plug + Play fender mounts, low rider rack mounts, quick-release

Bottom Bracket

Threaded BSA 68mm, 24mm spindle

Stem

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

Handlebar

Specialized, alloy, 9-degree backsweep, 15mm rise, 31.8mm

Saddle

Bridge Sport, Steel rails, 155/143mm

Seatpost

Alloy, 12mm offset, 2-bolt clamp, 27.2mm

TypeRigid

Pedals

Specialized Body Geometry Fitness, platform, plastic

Groupset
Rear Derailleur

Shimano Deore M4120, SGS, 10-speed

Crank

Forged aluminum arms, 2-piece, 24mm spindle, Narrow-wide steel chainring, 40T

Shifters

Shimano Deore M4100, 10-speed

Cassette

Shimano Deore, 10spd, 11-42t

Chain

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

Brakes

Front: Tektro HD-R280, hydraulic disc, resin pads, flat-mount, 160mm, Rear: Tektro HD-R280, hydraulic disc, resin pads, flat-mount, 140mm

TypeHydraulic Disc

Wheels
Rims

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

Spokes

Stainless, 14g

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

Tires

Front: Pathfinder Sport, 700x42, Rear: Pathfinder Sport, 700x42

Rider Notes
Riders Also Viewed

Last updated April 15