Bike details
Overview
Key information split into simple groups.
Bike summary
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Frame Aluminum -
Wheels 700c -
Groupset Sora, microSHIFT -
Suspension Rigid -
Brakes Hydraulic Disc
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
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
Cassette
Shimano Sora, 9-speed, 11-34t
Bottom Bracket
Shimano threaded
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
Geometry
Numbers for sizing and ride feel.
| Size | XXS | XS | SM | MD | LG | XL |
|---|---|---|---|---|---|---|
| Stack Reach Ratio | 1.44 mm | 1.44 mm | 1.44 mm | 1.5 mm | 1.52 mm | 1.53 mm |
| Bottom Bracket Height | 278 mm | 278 mm | 278 mm | 278 mm | 278 mm | 278 mm |
| Front Center | 605 mm | 622 mm | 630 mm | 635 mm | 645 mm | 665 mm |
| Rake | 51 mm | 51 mm | 51 mm | 51 mm | 51 mm | 51 mm |
| Trail | 75 mm | 72 mm | 72 mm | 65 mm | 65 mm | 65 mm |
| Stack | 530 mm | 549 mm | 556 mm | 587 mm | 602 mm | 626 mm |
| Reach | 367 mm | 382 mm | 387 mm | 392 mm | 396 mm | 408 mm |
| Top Tube Length | 525 mm | 546 mm | 553 mm | 567 mm | 576 mm | 595 mm |
| Seat Tube Angle | 73.5 ° | 73.5 ° | 73.5 ° | 73.5 ° | 73.5 ° | 73.5 ° |
| Seat Tube Length | 360 mm | 395 mm | 440 mm | 470 mm | 510 mm | 530 mm |
| Head Tube Angle | 69.5 ° | 70 ° | 70 ° | 71 ° | 71 ° | 71 ° |
| Head Tube Length | 121 mm | 139 mm | 147 mm | 175 mm | 191 mm | 217 mm |
| Chainstay Length | 434 mm | 434 mm | 434 mm | 434 mm | 434 mm | 434 mm |
| Wheelbase | 1030 mm | 1047 mm | 1055 mm | 1060 mm | 1069 mm | 1090 mm |
| Bottom Bracket Drop | 70 mm | 70 mm | 70 mm | 70 mm | 70 mm | 70 mm |
| Standover Height | 686 mm | 709 mm | 739 mm | 769 mm | 799 mm | 821 mm |
| Wheels | 700 | 700 | 700 | 700 | 700 | 700 |
Model Overview
Sirrus 3.0 completes the Specialized Sirrus model. Specialized launched 176 bikes 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 cheapest bike model and costs 650$. Specialized Sirrus 6.0 2021 is the most expensive one and costs 2299$.
Safety
Make sure you wear a helmet on every ride, and that your bike performs well. In short, this means checking the tires, brakes, and chain to make sure everything is in good working order.
Fitness bikes average price
If you want to purchase a solid Fitness bike, it is important to know that the average cost is 656$. However, you could also get a good Fitness bike even if you pay a lower amount than the average price. In conclusion, always check bike reviews and their components before making a purchase to make sure you don’t overpay.
When Specialized released this model in 2021, its price was 961$. If we compare this with the average Fitness bike cost we notice that the price is 46.49% 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 components
Fork material
When it comes to the fork, this bike has a carbon one, so, it is super light and stiff. In conclusion, a carbon fork gives you great control when steering, and is also more forgiving.
Wheels size
As for the wheels, Specialized Sirrus 3.0 2021, has a 700c aluminum model. 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
For your safety, it is important to have quality breaks on your bike. Specialized Sirrus 3.0 has Hydraulic Disc brakes installed. Hydraulic disc brakes are perfect for mountain biking, road cycling, and commuting. To sum up, your safety is in good hands.