Bicycle Archive ยท Specification reportBicycle Archive ยท Specification reportVelopedia Archive ID 21901
| Model year | 2010 |
|---|---|
| Brand | Specialized |
| Model | Sirrus Expert |
| Bicycle type | Road/sport |
| Archive ID | 21901 |
| Colors | White |
| Sizes | Xsmall, small, medium, large, xlarge |
| Frame construction | TIG-welded |
|---|---|
| Frame material | Specialized E5 Aluminum |
| Fork | Specialized Sirrus |
| Fork material | Carbon/aluminum steerer, aero crown |
| Rear shock | N/A |
| Component group | Road Mix |
|---|---|
| Shifters | Shimano flat bar trigger |
| Front derailleur | Shimano, clamp on |
| Rear derailleur | Shimano 105 |
| Crankset | Shimano FC-R553, 50/39/30 teeth |
| Bottom bracket | Shimano FC-R553 |
| BB shell width | 68mm |
| Cassette | Shimano 105 |
| Rear cogs | 10-speed, 12 - 27 teeth |
| Chain | KMC X10 CP |
| Brakes | Forged 6061 aluminum mini-v brakes, forged aluminum levers |
|---|
| Headset | 1 1/8" integrated |
|---|---|
| Handlebar | Specialized Alloy flat bar |
| Handlebar extensions | Not included |
| Stem | Specialized Comp-Set 3D forged 4-bolt |
| Saddle | Specialized BG Sonoma 155mm |
| Seatpost | Specialized carbon wrapped, 27.2mm diameter |
| Hubs | Forged Alloy Sealed |
|---|---|
| Rims | Mavic CXP 22S, 28-hole/32-hole |
| Spokes | Stainless, 14ga. (2.0mm) |
| Front tire | 700 x 28c Specialized All Condition Armadillo Elite |
| Wheel size | 700c wheels |
Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on October 5, 2026.