Bicycle Archive · Specification reportBicycle Archive · Specification reportVelopedia Archive ID 37060
| Model year | 2002 |
|---|---|
| Brand | Specialized |
| Model | Sirrus A1 Pro |
| Bicycle type | Hybrid |
| Archive ID | 37060 |
| Original MSRP | $1,300.00 |
| Colors | Black |
| Sizes | 50cm, 54cm, 56cm, 58cm, 60cm |
| Frame construction | TIG-welded |
|---|---|
| Frame material | Specialized A1 aluminum |
| Fork | Specialized C-2 |
| Fork material | Carbon fiber composite, unicrown crown |
| Rear shock | N/A |
| Component group | Hybrid Mix |
|---|---|
| Shifters | Shimano SL-R440 |
| Front derailleur | Shimano FD-R443, bottom-pull/clamp-on 31.8mm |
| Rear derailleur | Shimano Ultegra GS |
| Crankset | Shimano Tiagra Triple, 30/42/52 teeth |
| Bottom bracket | Shimano BB-UN52, 118mm spindle |
| BB shell width | 68mm English |
| Rear cogs | 9-speed, 12 - 25 teeth |
| Chain | Shimano CN-HG53, 1/2 x 3/32" |
| Pedals | Shimano PD-M505 SPD |
| Brakes | ProMax SX-V85 linear-pull brakes, aluminum linear-pull levers |
|---|
| Headset | 1 1/8" threadless Ritchey Logic Pro |
|---|---|
| Handlebar | Specialized aluminum |
| Handlebar extensions | Not included |
| Stem | Specialized aluminum |
| Saddle | Specialized Body Geometry Comp |
| Seatpost | U.S.E. suspension, 27.2mm diameter |
| Hubs | Ritchey Comp Road |
|---|---|
| Rims | Ritchey Pro, 28-hole |
| Spokes | Ritchey stainless steel, 14ga. (2.0mm) bladed |
| Spoke nipples | Brass nipples |
| Front tire | 700 x 23c Specialized Turbo Armadillo Lite |
| Wheel size | 700c wheels |
| Top tube | 557 mm |
|---|---|
| Head-tube angle | 72.5° |
| Seat-tube angle | 73.5° |
| Chainstay / rear center | 418 mm |
| Wheelbase | 1014 mm |
| Fork offset / rake | 46 mm |
Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on October 3, 2026.