Specialized ROCKHOPPER 2011 VS Trek 820 2000 specs comparison
Specialized Rockhopper
General Infos| Model | Rockhopper |
| Manufacturer | Specialized |
| Year of production | 2011 |
| Current price | Check price Here ==> |
| Color choice |
- Wht and Red -Blk and Brn |
| Sizes |
- 13 (inches) - 15.5 (inches) - 17.5 (inches) - 19 (inches) - 21 (inches) - 23 (inches) |
| Sizes |
- 13 (inches) - 15.5 (inches) - 17.5 (inches) - 19 (inches) - 21 (inches) - 23 (inches) |
Wheels And Breaking System
| Bike front tire | 26 X 2.0 (inches) Specialized The Captain Sport |
| Bike rear tire | Not Available |
| Bike wheel size | 26 (inches) Wheels |
| Brakeset type | Alloy Levers Avid BB5 Mechanical Disc Brakes |
| Hubs for disc brakes | Rear: Forged Alloy Front: Forged Alloy Hi and low Flange |
| Rims manufacturer | 28-hole and 32-hole Alex RHD 26 (inches) |
| Spoke nipples type | Not Available |
| Spoke wheel | 14ga. Butted Stainless |
Frame and Body Specs
| Frame materials | Specialized M4 Alloy |
| Frame type | TIG-welded |
| Handlebar construction | Butted Alloy Risebar |
| Handlebar extender | Optional |
| Handlebar stem details | 3D Forged Alloy |
| Headset size | 1 1/8 (inches) Threadless |
Gearing Specifications
| Bicycle chain | KMC X8 |
| Bottom bracket shell width | Not Available |
| Bottom bracket type | Shimano BB ES25 Octalink |
| Crankset parts and sizes | 22/32/42 Teeth SR Suntour |
| Gear shift levers | SRAM X.4 |
| Rear gear set | 11 - 32 Teeth 8-speed |
Specialized Rockhopper Fork System Data
| Derailleur (Front) | 34.9 (millimeters) Clamp Shimano Atlus |
| Derailleur (Rear) | SRAM X.5 |
| Fork material | Single Crown Alloy Steerer |
| Fork type | SR Suntour SF11 |
Other Specs of Specialized Rockhopper
| Component group sets | Mountain Mix |
| Pedals details | Plastic Platform |
| Rear shock absorber | Not Available |
| Saddle seat | Specialized Rockhopper XC |
| Seat post extension | 30.9 (millimeters) Diameter Two-bolt Alloy Micro-Adjust |
Trek 820
General Infos| Model | 820 |
| Manufacturer | Trek |
| Year of production | 2000 |
| Current price | Check price Here ==> |
| Color choice |
- Rainforest -Gloss Black and Bright Silver |
| Sizes |
- Extra small - Small - Medium - Large - Extra large |
Wheels And Breaking System
| Bike front tire | 26 X 1.95 (inches) Multi-terrain |
| Bike rear tire | Not Available |
| Bike wheel size | 26 (inches) Wheels |
| Brakeset type | Aluminum Linear-pull Levers Aluminum Linear-pull Brakes |
| Hubs for disc brakes | Alloy |
| Rims manufacturer | 36-hole Alloy |
| Spoke nipples type | Not Available |
| Spoke wheel | 2.0 (millimeters) Stainless Steel |
Frame and Body Specs
| Frame materials | Butted Chromoly |
| Frame type | TIG-welded |
| Handlebar construction | Alloy |
| Handlebar extender | Optional |
| Handlebar stem details | Alloy |
| Headset size | Aheadset SE-1 |
Gearing Specifications
| Bicycle chain | 1/2 X 3/32 (inches) |
| Bottom bracket shell width | Not Available |
| Bottom bracket type | Not Available |
| Crankset parts and sizes | 24/34/42 Teeth Shimano Altus C90 |
| Gear shift levers | Shimano Acera EZ Fire Plus |
| Rear gear set | 11 - 28 Teeth 7-speed |
Trek 820 Fork System Data
| Derailleur (Front) | Shimano Altus C90 Top-swing |
| Derailleur (Rear) | Shimano Acera |
| Fork material | Triple-clamp |
| Fork type | 2.5 (inches) Travel Sync 288 |
Other Specs of Trek 820
| Component group sets | Mountain Mix |
| Pedals details | Resin |
| Rear shock absorber | Not Available |
| Saddle seat | Oasis Supersoft |
| Seat post extension | Alloy |
Useful links and guides ....
- To know more about this exacte bike, Specialized provided us with the latest version of its Rockhopper bike manual
- Find All parts, tires and accessories of Specialized Rockhopper Mountain bike here
- Get your Trek 820 manual book version yo know further about this bike
- Saddles, tires And mechanical parts for Trek 820 Mountain bike here