Specialized Sirrus 2.0 Step Through 2021
2021 Urban
Estimate price |
643$
Bike details
Overview
Key information split into simple groups.
Bike summary
-
-
Frame Aluminum -
Wheels 700c -
Groupset Acera, Tourney -
Suspension Rigid -
Brakes Hydraulic Disc
Sizing
Recommended size guide.
XS
151cm - 164cm
SM
160cm - 172cm
MD
166cm - 179cm
Parts list
Components
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
Hi-Ten steel, flat-mount disc, Plug + Play fender mounts, low rider rack mounts, quick-release
Drivetrain
Rear Derailleur
Shimano Acera, 8-speed
Front Derailleur
Shimano Tourney FD-TY710
Shift Levers
Shimano Acera, 8-speed
Crank
Shimano Tourney, 3-piece, 46/30T, 46/30T w/ chainguard
Chain
KMC X8 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
Promax F1, hydraulic disc, 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
Geometry
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 2.0 Step Through completes the Specialized Sirrus model. Specialized released 176 bikes variations of this model so far. Check out the entire range from 2021 of this model, by clicking this link.
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
Take safety seriously when you ride your bike, and always wear your helmet. Moreover, don’t ride on the sidewalk. This is actually against the law in some states and can be dangerous for both you and pedestrians.
Average price for Fitness bikes
Our math shows that the average cost of a dependable Fitness bike is 656$. However, you could also get a good Fitness bike even if you pay a lower amount than the average price. In conclusion, always check bike reviews and their components before making a purchase to make sure you don’t overpay.
When Specialized released this model in 2021, its price was 650$. Comparing this to the average Fitness bike price, we see that the price is 0.92% lower.
Internal Cable Routing
It’s also important to mention the internal cable routing that this bike has. In short, this will allow you to keep your bike cables in great condition. Say goodbye to hanging cables.
Overview of components
Fork material
Sirrus 2.0 Step Through has a steel fork, which is tougher than carbon in the case of an impact. However, it can add some extra weight to the bike.
Wheels size
When leaving the production line, the Sirrus 2.0 Step Through model has 700c aluminum wheels. These are the most popular wheels for road, aero, gravel, cyclocross, race, and gravel bikes. 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. Hydraulic disc brakes provide amazing stopping power, no matter what the terrain. To sum up, your safety is in good hands.
Sizes
There are 3 sizes available for this model. Rider height can be anywhere between 151 cm – 179 cm (4.95 ft – 5.87 ft). In conclusion, you won’t have a problem finding one that suits you.