2021 Specialized Sirrus X 2.0

A 700c aluminum frame fitness bike with mid-range components and hydraulic disc brakes, priced near the low end of the Sirrus model range. Compare the full range

2021 Specialized Sirrus X 2.0
MSRP$775
SuspensionRigid
FrameAluminum
ForkSteel
Wheels700c
Drivetrain1 × 8
GroupsetmicroSHIFT Advent

BrakesHydraulic Disc
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Gearing

1 × 8 — 8 speed

Sirrus X 2.0

29 mph

Similar Bikes

35 mph

The Sirrus X 2.0 is geared about the same as similar bikes for riding up hills.

The Sirrus X 2.0 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$100$200$300$400$500$600$700
This bike
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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

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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

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

ColorsDove Gray / Acid Pink-Golden Yellow Fade / Silver; Dusty Turquoise / Black / Rocket Red; Black / Satin Charcoal Reflective; Gloss Clay / Cast Umber / Satin Black Reflective

Fork

Hi-Ten steel, flat-mount disc, Plug + Play fender mounts, low rider rack mounts, quick-release

Bottom Bracket

BSA, square-taper, 68mm

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

Pedals

Specialized Body Geometry Fitness, platform, plastic

Groupset
Rear Derailleur

MicroSHIFT Advent 9 Speed, W/O Clutch

Crank

3 pc, Alloy Forged Arms, 40T

Shifters

MicroSHIFT, 8-speed

Cassette

MicroSHIFT, 8-Speed, 12-42t

Chain

KMC X8 w/ Missing Link™

Brakes

Promax F1, hydraulic disc, flat-mount, 160mm

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, 700x42mm, Rear: Pathfinder Sport, 700x42mm

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