Bicycle Archive · Specification reportBicycle Archive · Specification reportVelopedia Archive ID 900004324
| Model year | 2021 |
|---|---|
| Brand | Specialized |
| Model | Sirrus 4.0 |
| Bicycle type | Hybrid |
| Archive ID | 900004324 |
| Original MSRP | $1,499.99 |
| Colors | Gloss UV Lilac / Satin Black Reflective; Satin Flake Silver / Charcoal / Black Reflective |
| Sizes | XS; S; M; L; XL; XXL |
| Frame construction | Specialized FACT 9r carbon, Fitness Geometry, 12x142mm thru-axle, internal cable routing, flat-mount disc, Plug + Play fender mounts |
|---|---|
| Frame material | Carbon Fiber |
| Fork | Specialized FACT carbon, 12x100mm thru-axle, flat-mount disc, Plug + Play fender mounts |
| Fork material | Carbon Fiber |
| Shifters | microSHIFT, 9-speed |
|---|---|
| Front derailleur | microSHIFT R9, 9-speed, 31.8mm clamp |
| Rear derailleur | Shimano Sora, 9-speed |
| Crankset | Chainrings: 50/34T |
| Bottom bracket | Shimano 68mm threaded |
| BB shell width | 68 mm |
| Cassette | Shimano Sora, 9-speed, 11-34t |
| Chain | KMC X9, 9-speed w/ Missing Link™ |
| Pedals | Specialized Body Geometry Fitness, platform, plastic |
| Brakes | (F) Tektro HD-R280, hydraulic disc, resin pads, flat-mount, 160mm / (R) Tektro HD-R280, hydraulic disc, resin pads, flat-mount, 140mm |
|---|
| Handlebar | Double-butted alloy, 9-degree backsweep, 31.8mm |
|---|---|
| Stem | Specialized, 3D-forged alloy, 4-bolt, 7-degree rise |
| Saddle | Body Geometry Power Sport, steel rails |
| Seatpost | Alloy, 12mm offset, 2-bolt clamp, 27.2mm |
| Hubs | (F) Alloy, 6-bolt disc, sealed cartridge bearing, high-low flange, 12x100mm thru-axle, 28h / (R) 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 |
| Front tire | RoadSport Reflect, Wire bead, Blackbelt/Endurant Casing, 700x32c |
| Rear tire | RoadSport Reflect, Wire bead, Blackbelt/Endurant Casing, 700x32c |
| Seat tube | 355 mm |
|---|---|
| Effective top tube | 532 mm |
| Head tube | 125 mm |
| Head-tube angle | 70° |
| Seat-tube angle | 73.5° |
| Chainstay / rear center | 435 mm |
| Wheelbase | 1027 mm |
| Bottom-bracket drop | 70 mm |
| Bottom-bracket height | 275 mm |
| Reach | 355 mm |
| Stack | 585 mm |
| Standover height | 714 mm |
| Fork offset / rake | 51 mm |
| Front center | 602 mm |
| Trail | 71 mm |
| Fork length / axle-to-crown | 390 mm |
| Seatpost length | 300 mm |
| Crank length | 170 mm |
| Stem length | 70 mm |
| Handlebar width | 580 mm |
| Seat tube | 416 mm |
|---|---|
| Effective top tube | 554 mm |
| Head tube | 143 mm |
| Head-tube angle | 70° |
| Seat-tube angle | 73.5° |
| Chainstay / rear center | 435 mm |
| Wheelbase | 1050 mm |
| Bottom-bracket drop | 70 mm |
| Bottom-bracket height | 275 mm |
| Reach | 371 mm |
| Stack | 602 mm |
| Standover height | 756 mm |
| Fork offset / rake | 51 mm |
| Front center | 625 mm |
| Trail | 71 mm |
| Fork length / axle-to-crown | 390 mm |
| Seatpost length | 300 mm |
| Crank length | 170 mm |
| Stem length | 70 mm |
| Handlebar width | 580 mm |
| Seat tube | 453 mm |
|---|---|
| Effective top tube | 573 mm |
| Head tube | 169 mm |
| Head-tube angle | 71° |
| Seat-tube angle | 73.5° |
| Chainstay / rear center | 435 mm |
| Wheelbase | 1060 mm |
| Bottom-bracket drop | 70 mm |
| Bottom-bracket height | 275 mm |
| Reach | 384 mm |
| Stack | 631 mm |
| Standover height | 788 mm |
| Fork offset / rake | 51 mm |
| Front center | 635 mm |
| Trail | 65 mm |
| Fork length / axle-to-crown | 390 mm |
| Seatpost length | 350 mm |
| Crank length | 170 mm |
| Stem length | 80 mm |
| Handlebar width | 600 mm |
| Seat tube | 483 mm |
|---|---|
| Effective top tube | 580 mm |
| Head tube | 186 mm |
| Head-tube angle | 71.5° |
| Seat-tube angle | 73.5° |
| Chainstay / rear center | 435 mm |
| Wheelbase | 1063 mm |
| Bottom-bracket drop | 70 mm |
| Bottom-bracket height | 275 mm |
| Reach | 386 mm |
| Stack | 649 mm |
| Standover height | 813 mm |
| Fork offset / rake | 51 mm |
| Front center | 637 mm |
| Trail | 62 mm |
| Fork length / axle-to-crown | 390 mm |
| Seatpost length | 350 mm |
| Crank length | 175 mm |
| Stem length | 90 mm |
| Handlebar width | 600 mm |
| Seat tube | 533 mm |
|---|---|
| Effective top tube | 603 mm |
| Head tube | 223 mm |
| Head-tube angle | 72° |
| Seat-tube angle | 73.5° |
| Chainstay / rear center | 435 mm |
| Wheelbase | 1082 mm |
| Bottom-bracket drop | 70 mm |
| Bottom-bracket height | 275 mm |
| Reach | 398 mm |
| Stack | 687 mm |
| Standover height | 849 mm |
| Fork offset / rake | 51 mm |
| Front center | 656 mm |
| Trail | 58 mm |
| Fork length / axle-to-crown | 390 mm |
| Seatpost length | 400 mm |
| Crank length | 175 mm |
| Stem length | 100 mm |
| Handlebar width | 620 mm |
| Seat tube | 563 mm |
|---|---|
| Effective top tube | 628 mm |
| Head tube | 246 mm |
| Head-tube angle | 72° |
| Seat-tube angle | 73° |
| Chainstay / rear center | 435 mm |
| Wheelbase | 1101 mm |
| Bottom-bracket drop | 70 mm |
| Bottom-bracket height | 275 mm |
| Reach | 410 mm |
| Stack | 709 mm |
| Standover height | 875 mm |
| Fork offset / rake | 51 mm |
| Front center | 675 mm |
| Trail | 58 mm |
| Fork length / axle-to-crown | 390 mm |
| Seatpost length | 400 mm |
| Crank length | 175 mm |
| Stem length | 110 mm |
| Handlebar width | 620 mm |
Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on October 26, 2026.