Bike details
Overview
Key information split into simple groups.
Bike summary
-
-
Frame aluminium -
Wheels 700c -
Travel Front 20mm -
Fork Specialized Future Shock 1.5
-
Groupset microSHIFT, Praxis -
Suspension Hardtail -
Drivetrain 1 × 10 -
Brakes Hydraulic Disc
Parts list
Components
Main components, grouped by system.
Bike components
Frame
Frame
Specialized A1 SL Premium Aluminum, Fitness Geometry, fully manipulated butted tubing, internal cable routing, flat-mount disc, 12x142mm thru-axle, Plug + Play rack/fender mounts
Suspension Fork
Specialized FACT 9r Carbon Monocoque, flat-mount disc, 12x100mm thru-axle, low rider mounts, Plug + Play fender mounts, Future Shock 1.5
Drivetrain
Rear Derailleur
MicroSHIFT RD-R55S, short cage
Front Derailleur
MicroSHIFT FD-R522, Band-clamp
Shift Levers
MicroSHIFT, 10-speed
Cassette
CASSETTE, SUNRACE,CSRS0.TAS0.XS0,11-28T,10SP,SHIMNAO,W/ALLOY SPIDER, PLASTIC SPACERS, STEEL LOCKRING
Crank
Praxis Alba M24, solid forged arms, 6061 outer ring, steel inner ring, 110 BCD, 10-speed, 40T
Bottom Bracket
Praxis M24, BSA
Chain
KMC, X10, EPT anti-corrosion coating, 10-speed w/ Missing Link™
Pedals
Specialized Body Geometry Fitness, platform, plastic
Wheels
Front Hub
Alloy, 6-bolt disc, sealed cartridge bearing, high-low flange, 12x100mm thru-axle, 28h
Rear Hub
Alloy, 6-bolt disc, sealed cartridge bearings, high-low flange, 12x142mm thru-axle, 28h
Rims
700C disc, double-wall alloy, 22mm depth, 21mm internal width, 32h
Spokes
Stainless, 14g
Tires
Front: RoadSport Reflect, Wire bead, Blackbelt/Endurant Casing, 700x32c, Rear: RoadSport Reflect, Wire bead, Blackbelt/Endurant Casing, 700x32c
Brakes
Brakes
Tektro HD-R280, hydraulic disc, resin pads, flat-mount, 160mm
Cockpit
Stem
Future Stem, Comp
Handlebar
Double-butted alloy, 9-degree backsweep, 31.8mm
Seat
Saddle
Body Geometry Power Sport, steel rails
Seatpost
Alloy, 2-bolt, 14mm offset, 27.2mm
Fit data
Geometry
Numbers for sizing and ride feel.
| Size | XXS | XS | SM | MD | LG | XL |
|---|---|---|---|---|---|---|
| Stack Reach Ratio | 1.66 mm | 1.6 mm | 1.62 mm | 1.67 mm | 1.7 mm | 1.7 mm |
| Bottom Bracket Height | 284 mm | 284 mm | 284 mm | 284 mm | 284 mm | 284 mm |
| Front Center | 602 mm | 618 mm | 629 mm | 634 mm | 644 mm | 663 mm |
| Rake | 51 mm | 51 mm | 51 mm | 51 mm | 51 mm | 51 mm |
| Trail | 78 mm | 75 mm | 75 mm | 68 mm | 68 mm | 68 mm |
| Stack | 581 mm | 584 mm | 600 mm | 629 mm | 645 mm | 666 mm |
| Reach | 349 mm | 365 mm | 370 mm | 376 mm | 380 mm | 392 mm |
| Top Tube Length | 523 mm | 543 mm | 553 mm | 567 mm | 575 mm | 593 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 | 111 mm | 125 mm | 143 mm | 169 mm | 186 mm | 208 mm |
| Chainstay Length | 434 mm | 434 mm | 434 mm | 434 mm | 434 mm | 434 mm |
| Wheelbase | 1027 mm | 1043 mm | 1054 mm | 1059 mm | 1068 mm | 1087 mm |
| Bottom Bracket Drop | 70 mm | 70 mm | 70 mm | 70 mm | 70 mm | 70 mm |
| Standover Height | 694 mm | 716 mm | 744 mm | 772 mm | 804 mm | 825 mm |
| Wheels | 700 | 700 | 700 | 700 | 700 | 700 |
About this model
Sirrus 4.0 completes the Specialized Sirrus model. Specialized released 176 bikes variations of this model so far. Check out the entire range from 2022 of this model, by clicking this link.
Model range prices
Specialized Sirrus 1.0 2022 is the cheapest bike model and costs 494$. Specialized Sirrus X 5.0 2022 is the most expensive one and costs 2165$.
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$. However, even if your budget is less than the average, you might still be able to get a top-quality Fitness bike. To make sure you don’t pay a higher amount than normal for your bike, always do some components analysis and read reviews.
When Specialized released this model in 2022, its price was 2070$. Doing a quick comparison, we notice that Sirrus 4.0 price is 215.55% more expensive than the average cost of a Fitness bike.
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.
Overview of components
Fork
The fork installed on this bike is the Specialized Future Shock 1.5 model. The travel on this model is 20mm. Bike forks absorb the shocks and give you a smooth and pleasant ride. In conclusion, always look for a fork with decent travel when you buy a bike.
Fork material
Sirrus 4.0 has a carbon fork, so, it is super light and stiff. In conclusion, a carbon fork gives you great control when steering, and is also more forgiving.
Wheels
When it comes to wheels, the Sirrus 4.0 bike is equipped with the 700c aluminum model. There is no doubt, that 700c wheels are very popular on all road bike models. 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. With Hydraulic Disc brakes, you’ll be able to stop on a dime, even in wet or icy conditions. To sum up, these are ideal for anyone.