Specialized Sirrus 3.0 Step Through 2021
Bike details
Key information split into simple groups.
Bike summary
-
-
Frame Aluminum
-
Wheels 700c
-
Groupset Sora, microSHIFT
-
Suspension Rigid
-
Brakes Hydraulic Disc
Recommended size guide.
XS
151cm - 164cm
SM
160cm - 172cm
MD
166cm - 179cm
Parts list
Main components, grouped by system.
Bike components
Frame
Frame
Specialized A1 Premium Aluminum, Fitness Geometry, butted tubing, internal cable routing, flat-mount disc, quick-release, Plug + Play rack/fender mounts
Suspension Fork
Specialized FACT Carbon, QR, Flat-mount Disc
Drivetrain
Rear Derailleur
Shimano Sora, 9-speed
Front Derailleur
microSHIFT R9, 9-speed, 31.8mm clamp
Shift Levers
microSHIFT, 9-speed
Crank
50/34T
Chain
KMC X9, 9-speed w/ Missing Link™
Pedals
Specialized Body Geometry Fitness, platform, plastic
Wheels
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
Rims
700C disc brake, double-wall alloy, 22mm depth, 21mm internal width
Spokes
Stainless, 14g
Tires
RoadSport Reflect, Wire bead, Blackbelt/Endurant Casing, 700x32c
Brakes
Brakes
Tektro HD-R280, hydraulic disc, resin pads, flat-mount, 160mm
Cockpit
Stem
Specialized, 3D-forged alloy, 4-bolt, 7-degree rise
Handlebar
Double-butted alloy, 9-degree backsweep, 31.8mm
Seat
Saddle
Bridge Sport, Steel rails, 155/143mm
Seatpost
Alloy, 12mm offset, 2-bolt clamp, 27.2mm
Fit data
Numbers for sizing and ride feel.
| Size | XS | SM | MD |
|---|---|---|---|
| Stack Reach Ratio | 1.42 mm | 1.41 mm | 1.46 mm |
| Bottom Bracket Height | 272 mm | 272 mm | 272 mm |
| Front Center | 628 mm | 637 mm | 646 mm |
| Rake | 51 mm | 51 mm | 51 mm |
| Trail | 70 mm | 70 mm | 64 mm |
| Stack | 550 mm | 558 mm | 588 mm |
| Reach | 388 mm | 395 mm | 403 mm |
| Top Tube Length | 552 mm | 562 mm | 579 mm |
| Seat Tube Angle | 73.5 ° | 73.5 ° | 73.5 ° |
| Seat Tube Length | 395 mm | 450 mm | 500 mm |
| Head Tube Angle | 70 ° | 70 ° | 71 ° |
| Head Tube Length | 139 mm | 147 mm | 175 mm |
| Chainstay Length | 435 mm | 435 mm | 435 mm |
| Wheelbase | 1053 mm | 1063 mm | 1072 mm |
| Bottom Bracket Drop | 70 mm | 70 mm | 70 mm |
| Standover Height | 615 mm | 615 mm | 620 mm |
| Wheels | 700 | 700 | 700 |
| Rider Min Height | 151 cm | 160 cm | 166 cm |
| Rider Max Height | 164 cm | 172 cm | 179 cm |
Model Overview
Sirrus 3.0 Step Through is a Specialized Sirrus model. Specialized launched 176 bikes of this model so far. You can easily view all of the Specialized Sirrus bikes models from 2021, here.
Model range prices
Specialized Sirrus 2.0 Step Through 2021 is the most economical model, with a starting price of 650$. Specialized Sirrus 6.0 2021 on the other hand costs 2299$, and is the most expensive model.
Safety
When you go for a ride, don’t forget to put your helmet on. Moreover, ride with traffic, not against it. This will help you stay visible to drivers and also makes it easier for them to see you.
Fitness bikes average price
According to our calculations, the average cost of a Fitness bike that is reliable is 656$. However, paying less money than this amount doesn’t mean that you couldn’t get a great Fitness bike. In short, before purchasing your ideal bike do some research about its components, and also check for reviews online.
Furthermore, if we have a quick look at this model’s cost, we can see that at its release date the price was 1062$. Comparing the average cost of a Fitness bike to this one, you will see that Sirrus 3.0 Step Through price is 61.89% more expensive.
Internal Cable Routing
Moreover, this bike comes with internal cable routing allowing you to keep the cables in a good condition. It also makes it look more professional.
Sirrus 3.0 Step Through components
Fork material
The fork on this bike is made out of carbon, so, it’s a great addition to the bike’s value. However, carbon forks should be regularly inspected for damage because even the smallest crack could cause the fork to fall apart.
Wheels
As for the wheels, Specialized Sirrus 3.0 Step Through 2021, has a 700c aluminum model. These wheels are the most used kind for road bikes in general. However, while they give you great speed and control, these wheels are not so bump-friendly.
Brakes
Stopping the bike when needed, it’s essential for your safety. This bike has Hydraulic Disc brakes. These kinds of brakes are among the most popular models used on bikes. To sum up, these are ideal for anyone.
Sizes
This bike is available in 3 sizes. They vary from 151 cm – 179 cm (4.95 ft – 5.87 ft). In short, it won’t be difficult to find the right one for you.
