Bicycle Archive ยท Specification reportBicycle Archive ยท Specification reportVelopedia Archive ID 21986
| Model year | 2011 |
|---|---|
| Brand | Specialized |
| Model | Rockhopper Expert 29er |
| Bicycle type | Mountain bike, front suspension |
| Archive ID | 21986 |
| Colors | Blk/Gry |
| Sizes | 15.5", 17.5", 19", 21", 23" |
| Frame construction | TIG-welded |
|---|---|
| Frame material | Specialized M4SL alloy |
| Fork | RockShox Tora TK 29 SL |
| Fork material | Alloy Steerer, single crown |
| Rear shock | N/A |
| Component group | Mountain Mix |
|---|---|
| Shifters | Shimano SL-M590 Deore trigger |
| Front derailleur | Shimano Alivio, 34.9mm bottom swing top pull |
| Rear derailleur | Shimano Deore 9sp shadow long cage |
| Crankset | Shimano FC-M430-8, 22/32/44 teeth |
| Bottom bracket | Shimano BB ES25 Octalink |
| Cassette | Shimano HG30 |
| Rear cogs | 9-speed, 11 - 34 teeth |
| Chain | KMC X9 |
| Pedals | Alloy |
| Brakes | Shimano BR-M505 brakes, Shimano BR-M505 levers |
|---|
| Headset | 1 1/8" threadless Campy spec integrated sealed cartridge bearing |
|---|---|
| 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 mid flange |
|---|---|
| Rims | Alex RHD 29", 32-hole/36-hole |
| Spokes | Stainless, 14ga. (2.0mm) butted |
| Front tire | 29 x 2.0" Specialized The Captain Control |
| Wheel size | 29" wheels |
Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on October 4, 2026.