Bicycle Archive ยท Specification reportBicycle Archive ยท Specification reportVelopedia Archive ID 21989
| Model year | 2011 |
|---|---|
| Brand | Specialized |
| Model | Rockhopper |
| Bicycle type | Mountain bike, front suspension |
| Archive ID | 21989 |
| Colors | Blk/Brn, Wht/Red |
| Sizes | 13", 15.5", 17.5", 19", 21", 23" |
| Frame construction | TIG-welded |
|---|---|
| Frame material | Specialized M4 alloy |
| Fork | SR Suntour SF11 |
| Fork material | Alloy Steerer, single crown |
| Rear shock | N/A |
| Component group | Mountain Mix |
|---|---|
| Shifters | SRAM X.4 |
| Front derailleur | Shimano Atlus, 34.9mm clamp |
| Rear derailleur | SRAM X.5 |
| Crankset | SR Suntour, 22/32/42 teeth |
| Bottom bracket | Shimano BB ES25 Octalink |
| Cassette | SRAM PG-830 |
| Rear cogs | 8-speed, 11 - 32 teeth |
| Chain | KMC X8 |
| Pedals | Plastic platform |
| Brakes | Avid BB5 mechanical disc brakes, Alloy levers |
|---|
| Headset | 1 1/8" threadless |
|---|---|
| Handlebar | Butted alloy risebar |
| Handlebar extensions | Not included |
| Stem | 3D Forged Alloy |
| Saddle | Specialized Rockhopper XC |
| Seatpost | Two-bolt Alloy Micro-Adjust, 30.9mm diameter |
| Hubs | Front: Forged alloy hi/low flange, Rear: Forged alloy |
|---|---|
| Rims | Alex RHD 26", 28-hole/32-hole |
| Spokes | Stainless, 14ga. (2.0mm) butted |
| Front tire | 26 x 2.0" Specialized The Captain Sport |
| Wheel size | 26" wheels |
Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on October 4, 2026.