2021 Specialized Sirrus 4.0
A 700c carbon frame fitness bike with modest components and hydraulic disc brakes, priced near the middle of the Sirrus model range. Compare the full range
| MSRP | $1,500 |
|---|---|
| Suspension | Rigid |
| Frame | Carbon |
| Fork | Carbon |
| Wheels | 700c |
| Groupset | Sora, microSHIFT R9 |
| Brakes | Hydraulic Disc |
Based on build material and quality level of the frame, fork, wheelset, groupset, suspension system, and more. Learn more
May 2022
Hybrid do-it-all with a bit of edge and attitude, just as happy around town as it is on the byways
March 2020
Smooth, fast, and utilitarian—this commuter has it all.
September 2019
A fuss-free commuter with a commanding ride position and a nicely understated style
5'2" – 5'6"
5'4" – 5'9"
5'6" – 5'11"
5'9" – 6'2"
6'0" – 6'4"
6'1" – 6'5"
🐐 Estimated
| Frame | Specialized FACT 9r carbon, Fitness Geometry, 12x142mm thru-axle, internal cable routing, flat-mount disc, Plug + Play fender mounts BB Standard: BSA, threaded Colors: Satin Flake Silver / Charcoal / Black Reflective; Gloss Uv Lilac / Satin Black Reflective |
|---|---|
| Fork | Specialized FACT carbon, 12x100mm thru-axle, flat-mount disc, Plug + Play fender mounts |
| Bottom Bracket | Shimano threaded |
| Stem | Specialized, 3D-forged alloy, 4-bolt, 7-degree rise |
| Handlebar | Double-butted alloy, 9-degree backsweep, 31.8mm |
| Saddle | Body Geometry Power Sport, steel rails |
| Seatpost | Alloy, 12mm offset, 2-bolt clamp, 27.2mm |
| Pedals | Specialized Body Geometry Fitness, platform, plastic |
| Rear Derailleur | Shimano Sora, 9-speed |
|---|---|
| Front Derailleur | microSHIFT R9, 9-speed, 31.8mm clamp |
| Shifters | microSHIFT, 9-speed |
| Cassette | Shimano Sora, 9-speed, 11-34t |
| Chain | KMC X9, 9-speed w/ Missing Link™ |
| Brakes | Tektro HD-R280, hydraulic disc, resin pads, flat-mount, 160mm |
| Rims | 700C disc, double-wall alloy, 22mm depth, 21mm internal width, 28h |
|---|---|
| Spokes | Stainless, 14g |
| 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 |
| Tires | RoadSport Reflect, Wire bead, Blackbelt/Endurant Casing, 700x32c |