2021

Specialized Sirrus 3.0 ST

Name: 2021 Specialized Sirrus 3.0 ST
Brand: Specialized

hybrid

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Colour / Satin Maroon/Gloss Maroon/Satin Black Reflective, Summer Blue/Metallic Crimson/Black

Size / X-Small, Small, Medium

At a glance

The 2021 Specialized Sirrus 3.0 ST is an hybrid aluminium road bike. It is priced at $1,000 USD, comes in a range of sizes, including X-Small, Small, Medium and a shimano drivetrain. The bike is part of Specialized's Sirrus 3.0 ST range of road bikes.

- You have places to go, people to see, and fitness goals to achieve. We get it—life moves pretty fast, so it’s a good thing we made Sirrus to help you with all of it. Wherever you’re heading, Sirrus will take you there. Sirrus features a super light Aluminum Alloy and carbon fiber construction, as well as reliable Shimano components that are built to withstand years of daily abuse on the world’s pavement. Powerful hydraulic disc brakes provide reliable stopping power in any condition, and comfortable, ergonomically designed Body Geometry touchpoints are there to take the sting out of longer rides.

So, as you push yourself to reach your goals, you’ll feel more connected to your bike and know that you have the perfect partner with Sirrus.

- Carbon Fact 9 fork delivers comfort and saves nearly 3 pounds (1.2kg) over Sirrus 2.0
model.

- Wide range 2×9 Shimano Sora Road components for intuitive and precise shifting.

- Lightweight 2 piece crank for years of performance.

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Where To Buy

Specialized

Specialized Sirrus 3.0 ST

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Reviews

Specifications

Frameset

Frame

Specialized A1 Premium Aluminum, Fitness Geometry, butted tubing, internal cable routing, flat-mount disc, quick-release, Plug + Play rack/fender mounts

Wheels

Hubs

Alloy, 6-bolt disc
Tires

[F] RoadSport Reflect, Wire bead, Blackbelt/Endurant Casing, 700x32c

Drivetrain

Chain

KMC X9, 9-speed w/ Missing Link
Crank

2-piece, forged arms, 24mm spindle, steel chainrings w/ chainguard
Bottom Bracket

BSA for 24mm spindle
Front Derailleur

microSHIFT R9, 9-speed, 31.8mm clamp
Rear Derailleur

Shimano Sora, 9-speed
Shifters

microSHIFT, 9-speed

Components

Brakeset

Tektro HD-R280, hydraulic disc, resin pads, flat-mount
Handlebar

Double-butted alloy, 9-degree backsweep, 31.8mm
Saddle

Bridge Sport, Steel rails, 155/143mm
Seatpost

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

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

Specialized Body Geometry Targa, lock-on

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FAQ

Q: How much is a 2021 Specialized Sirrus 3.0 ST?

A 2021 Specialized Sirrus 3.0 ST is typically priced around $1,000 USD when new. Be sure to shop around for the best price, and also look to the used market for a great deal.

Q: What size 2021 Specialized Sirrus 3.0 ST should I get?

The 2021 Specialized Sirrus 3.0 ST comes in sizes X-Small, Small, Medium. After measuring your height, use the size chart below to find the typical Specialized Sirrus 3.0 ST size for your height. Remember that these sizes are a general guide and bike sizes can vary between riders and bikes. The best way to find your size is to go for a test ride.

Rider Height (cm)	Rider Height (in)	Frame Size
148cm - 158cm	4'10" - 5'2"	XS
158cm - 168cm	5'2" - 5'6"	S
168cm - 178cm	5'6" - 5' 10"	M
178cm - 185cm	5'10" - 6'1"	L
185cm - 193cm	6'1" - 6'4"	XL
193cm - 198cm	6'4" - 6'6"	XXL

Endurance

General

Gravel

Touring

Triathlon

Cyclocross