Bicycle Archive · Specification reportBicycle Archive · Specification reportVelopedia Archive ID 900003859
| Model year | 2020 |
|---|---|
| Brand | Specialized |
| Model | Sirrus Single-Speed |
| Bicycle type | Hybrid |
| Archive ID | 900003859 |
| Original MSRP | $450.00 |
| Colors | Black / Black Reflective / Gloss Black |
| Sizes | S; M; L; XL; XXL |
| Frame construction | Specialized A1 SL Premium Aluminum, Fitness Geometry, fully manipulated butted tubing |
|---|---|
| Frame material | Aluminum |
| Fork | Steel, V-brake, 1-1/8" steerer, QR, rack/fender mounts |
| Fork material | Steel |
| Crankset | 3-piece square-taper, forged alloy; chainrings: 42T |
|---|---|
| Bottom bracket | BSA, square-taper, 68mm |
| BB shell width | 68 mm |
| Cassette | SunRace, freewheel, 17t |
| Chain | Chain, KMC,Z1.Wide.npnp.VN,NP/NP,Single Speed,1/2"X1/8",W/O Missing Link |
| Pedals | Specialized Dirt |
| Brakes | (F) V-brake, linear pull / (R) V-brake, linear pull |
|---|
| Handlebar | Double-butted alloy, 5-degree backsweep, 25.4mm |
|---|---|
| Stem | 10-degree rise, 25.4mm clamp |
| Saddle | Specialized Canopy Sport, steel rails, 155mm |
| Seatpost | Alloy, 12mm offset, 2-bolt clamp, 27.2mm |
| Hubs | (F) Loose ball bearings, 9x100mm spacing, 32h / (R) Fixed gear, loose ball bearings, 10x120mm spacing, 32h |
|---|---|
| Rims | 700C rim brake, double-wall alloy, 22mm depth, 21mm internal width, 32h |
| Spokes | Stainless, 14g |
| Front tire | Espoir Sport, 60 TPI, wire bead, double BlackBelt protection, 700x30mm |
| Rear tire | Espoir Sport, 60 TPI, wire bead, double BlackBelt protection, 700x30mm |
| Seat tube | 430 mm |
|---|---|
| Effective top tube | 555 mm |
| Head tube | 133 mm |
| Head-tube angle | 70° |
| Seat-tube angle | 73.5° |
| Chainstay / rear center | 440 mm |
| Wheelbase | 1056 mm |
| Bottom-bracket drop | 70 mm |
| Bottom-bracket height | 275 mm |
| Reach | 388 mm |
| Stack | 564 mm |
| Standover height | 735 mm |
| Fork offset / rake | 51 mm |
| Front center | 626 mm |
| Trail | 71 mm |
| Fork length / axle-to-crown | 410 mm |
| Seatpost length | 300 mm |
| Crank length | 170 mm |
| Stem length | 75 mm |
| Handlebar width | 580 mm |
| Seat tube | 470 mm |
|---|---|
| Effective top tube | 575 mm |
| Head tube | 159 mm |
| Head-tube angle | 71° |
| Seat-tube angle | 73.5° |
| Chainstay / rear center | 440 mm |
| Wheelbase | 1068 mm |
| Bottom-bracket drop | 70 mm |
| Bottom-bracket height | 275 mm |
| Reach | 400 mm |
| Stack | 592 mm |
| Standover height | 775 mm |
| Fork offset / rake | 51 mm |
| Front center | 638 mm |
| Trail | 65 mm |
| Fork length / axle-to-crown | 410 mm |
| Seatpost length | 350 mm |
| Crank length | 170 mm |
| Stem length | 75 mm |
| Handlebar width | 580 mm |
| Seat tube | 510 mm |
|---|---|
| Effective top tube | 583 mm |
| Head tube | 176 mm |
| Head-tube angle | 71.5° |
| Seat-tube angle | 73.5° |
| Chainstay / rear center | 440 mm |
| Wheelbase | 1071 mm |
| Bottom-bracket drop | 70 mm |
| Bottom-bracket height | 275 mm |
| Reach | 402 mm |
| Stack | 610 mm |
| Standover height | 805 mm |
| Fork offset / rake | 51 mm |
| Front center | 640 mm |
| Trail | 62 mm |
| Fork length / axle-to-crown | 410 mm |
| Seatpost length | 350 mm |
| Crank length | 170 mm |
| Stem length | 75 mm |
| Handlebar width | 600 mm |
| Seat tube | 550 mm |
|---|---|
| Effective top tube | 603 mm |
| Head tube | 203 mm |
| Head-tube angle | 72° |
| Seat-tube angle | 73.5° |
| Chainstay / rear center | 440 mm |
| Wheelbase | 1087 mm |
| Bottom-bracket drop | 70 mm |
| Bottom-bracket height | 275 mm |
| Reach | 414 mm |
| Stack | 638 mm |
| Standover height | 845 mm |
| Fork offset / rake | 51 mm |
| Front center | 656 mm |
| Trail | 58 mm |
| Fork length / axle-to-crown | 410 mm |
| Seatpost length | 350 mm |
| Crank length | 175 mm |
| Stem length | 90 mm |
| Handlebar width | 600 mm |
| Seat tube | 580 mm |
|---|---|
| Effective top tube | 631 mm |
| Head tube | 236 mm |
| Head-tube angle | 72° |
| Seat-tube angle | 73° |
| Chainstay / rear center | 440 mm |
| Wheelbase | 1109 mm |
| Bottom-bracket drop | 70 mm |
| Bottom-bracket height | 275 mm |
| Reach | 426 mm |
| Stack | 670 mm |
| Standover height | 875 mm |
| Fork offset / rake | 51 mm |
| Front center | 678 mm |
| Trail | 58 mm |
| Fork length / axle-to-crown | 410 mm |
| Seatpost length | 350 mm |
| Crank length | 175 mm |
| Stem length | 90 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 27, 2026.