2021 Specialized Sirrus X 5.0

A 700c carbon frame fitness bike with upper mid-range components and hydraulic disc brakes, priced at the high end of the Sirrus model range. Compare the full range

2021 Specialized Sirrus X 5.0
MSRP$2,500
SuspensionHardtail
Travel20mm front
FrameCarbon
ForkCarbon
Wheels700c
Drivetrain1 × 12
GroupsetSLX, Praxis

BrakesHydraulic Disc
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Gearing

1 × 12 — 12 speed

Sirrus X 5.0

31 mph

Similar Bikes

35 mph

The Sirrus X 5.0 is easier to ride up hills than similar bikes.

The Sirrus X 5.0 won‘t keep up with similar bikes while riding downhill or sprinting.


Estimated Spec Level

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

Spec level →$0$500$1,000$1,500$2,000$2,500
This bike
Other fitness bikes

Reviews

May 2022

road.cc
Specialized Sirrus X 3.0

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

Read Full Review

March 2020

Bicycling
The Specialized Sirrus X 4.0 is One Heck of a Hybrid

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

Read Full Review

September 2019

BikeRadar
Specialized Sirrus Elite review

A fuss-free commuter with a commanding ride position and a nicely understated style

Read Full Review


Geometry

Sizing
XS

5'2" – 5'6"

SM

5'4" – 5'9"

MD

5'6" – 5'11"

LG

5'9" – 6'2"

XL

6'0" – 6'4"

XXL

6'1" – 6'5"

🐐 Estimated


Specs
Build
Frame

Specialized FACT 9r carbon, Fitness Geometry, 1x drivetrain, 12x142mm thru-axle, internal cable routing, flat-mount disc, Plug + Play fender mounts

BB StandardBSA, 68mm, threaded

ColorsGloss Blue Tint / Ice Blue / Satin Black Reflective; Gloss Redwood / Smoke / Satin Black Reflective

Fork

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

Bottom Bracket

Praxis 68-0201B, 68mm BSA

Stem

Future Stem, Comp

Handlebar

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

Saddle

Body Geometry Power Sport, steel rails

Seatpost

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

Pedals

Platform, alloy

Groupset
Rear Derailleur

Shimano SLX M7100, SGS, 12-speed

Crank

Praxis Alba, 40T

Shifters

Shimano SLX M7100, 12-speed

Cassette

Sunrace CSMZ800, 12-speed, 11-51t

Chain

KMC X12, 12-speed w/ Missing Link™

Brakes

Shimano BR-MT200, hydraulic disc, 160mm

Wheels
Rims

700C disc, double-wall alloy, 30mm depth, 21mm internal width, disc-specific

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 Pro, 2Bliss Ready, 700x38mm, Rear: Pathfinder Pro, 2Bliss Ready, 700x38mm

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