Specialized Sirrus 4.0
Specialized Sirrus 20211500
fitnessSize / XS, SM, MD, LG, XL, XXL
Manufacturer WebsiteAt a glance
The 2021 Specialized Sirrus 4.0 is an fitness carbon road bike. It is priced at $1,500 USD, comes in a range of sizes, including XS, SM, MD, LG, XL, XXL and a shimano drivetrain. The bike is part of Specialized's Sirrus range of road bikes.Where To Buy
Specialized
Specialized Sirrus 4.0Reviews
Specifications
Frameset
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FrameSpecialized FACT 9r carbon, Fitness Geometry, 12x142mm thru-axle, internal cable routing, flat-mount disc, Plug + Play fender mounts
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ForkSpecialized FACT carbon, 12x100mm thru-axle, flat-mount disc, Plug + Play fender mounts
Wheels
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HubsAlloy, 6-bolt disc, sealed cartridge bearings, high-low flange, 12x142mm thru-axle, 28h
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Wheels700C disc, double-wall alloy, 22mm depth, 21mm internal width, 32h
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SpokesStainless, 14g
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TiresFront: RoadSport Reflect, Wire bead, Blackbelt/Endurant Casing, 700x32c
Rear: RoadSport Reflect, Wire bead, Blackbelt/Endurant Casing, 700x32c
Drivetrain
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ChainKMC X9, 9-speed w/ Missing Link™
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Crank50/34T
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Bottom BracketShimano 68mm threaded
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Front DerailleurmicroSHIFT R9, 9-speed, 31.8mm clamp
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Rear DerailleurShimano Sora, 9-speed
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ShiftersmicroSHIFT, 9-speed
Components
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BrakesetTektro HD-R280, hydraulic disc, resin pads, flat-mount, 140mm
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HandlebarDouble-butted alloy, 9-degree backsweep, 31.8mm
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SaddleBody Geometry Power Sport, steel rails
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SeatpostAlloy, 12mm offset, 2-bolt clamp, 27.2mm
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StemSpecialized, 3D-forged alloy, 4-bolt, 7-degree rise
FAQ
Q: How much is a 2021 Specialized Sirrus 4.0?
A 2021 Specialized Sirrus 4.0 is typically priced around $1,500 USD when new. Be sure to shop around for the best price, and also look to the used market for a great deal.
Q: Where to buy a 2021 Specialized Sirrus 4.0?
The 2021 Specialized Sirrus 4.0 may be purchased directly from Specialized.
Q: What size 2021 Specialized Sirrus 4.0 should I get?
The 2021 Specialized Sirrus 4.0 comes in sizes XS, SM, MD, LG, XL, XXL. After measuring your height, use the size chart below to find the typical Specialized Sirrus 4.0 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 |
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