Specialized ROCKHOPPER DISC 29ER 2008 VS Trek 820 2002 specs comparison
Specialized Rockhopper Disc 29er
General Infos| Model | Rockhopper Disc 29er |
| Manufacturer | Specialized |
| Year of production | 2008 |
| Current price | Check price Here ==> |
| Color choice |
-Orange |
| Sizes |
- 15 - 17 - 19 - 21 - 23 |
| Sizes |
- 15 - 17 - 19 - 21 - 23 |
Wheels And Breaking System
| Bike front tire | 29 X 2.00 (inches) Specialized Fast Track Control |
| Bike rear tire | Not Available |
| Bike wheel size | 29 (inches) Wheels |
| Brakeset type | Avid FR-5 Levers Avid BB-5 Disc Brakes |
| Hubs for disc brakes | Specialized Hi Lo Disc |
| Rims manufacturer | 28-hole and 32-hole Alex RHD |
| Spoke nipples type | Alloy Niples |
| Spoke wheel | 15ga. Straight Gauge Stainless Steel |
Frame and Body Specs
| Frame materials | M4 Aluminum |
| Frame type | TIG-welded |
| Handlebar construction | 31.8 640 (millimeters) Wide With Graphic Specialized XC Rise |
| Handlebar extender | Optional |
| Handlebar stem details | 31.8 (millimeters) Clamp 3D Forged Specialized |
| Headset size | 1 1/8 (inches) Threadless Threadless |
Gearing Specifications
| Bicycle chain | 1/2 X 3/32 (inches) KMC X8 |
| Bottom bracket shell width | Not Available |
| Bottom bracket type | Shimano BB-ES25 |
| Crankset parts and sizes | 22/32/44 Teeth Shimano M341 |
| Gear shift levers | Shimano Alivio RapidFire |
| Rear gear set | 11 - 32 Teeth 8-speed |
Specialized Rockhopper Disc 29er Fork System Data
| Derailleur (Front) | Dual-pull and clamp-on 34.9 (millimeters) Shimano Altus |
| Derailleur (Rear) | Shimano Alivio |
| Fork material | Single |
| Fork type | 80 (millimeters) RockShox Dart 3 SL |
Other Specs of Specialized Rockhopper Disc 29er
| Component group sets | Mountain Mix |
| Pedals details | Specialized Steel |
| Rear shock absorber | Not Available |
| Saddle seat | Specialized XC |
| Seat post extension | 30.9 (millimeters) Diameter Two-bolt Alloy Micro-Adjust |
Trek 820
General Infos| Model | 820 |
| Manufacturer | Trek |
| Year of production | 2002 |
| Current price | Check price Here ==> |
| Color choice |
- Dark Silver and Silver -Dark Blue |
| Sizes |
- 13 (inches) - 16.5 (inches) - 18 (inches) - 19.5 (inches) - 21 (inches) - 22.5 (inches) - womens 17 (inches) |
Wheels And Breaking System
| Bike front tire | 26 X 1.95 (inches) Bontrager Connection |
| Bike rear tire | Not Available |
| Bike wheel size | 26 (inches) Wheels |
| Brakeset type | Shimano EF-29 Levers Aluminum Linear-pull Brakes |
| Hubs for disc brakes | Q and R Aluminum |
| Rims manufacturer | Matrix 550 |
| Spoke nipples type | Not Available |
| Spoke wheel | 14ga. Straight Gauge Stainless Steel |
Frame and Body Specs
| Frame materials | Chromoly Seat Tube and hi-tensile Steel |
| Frame type | TIG-welded |
| Handlebar construction | Hi-tensile Steel |
| Handlebar extender | Optional |
| Handlebar stem details | Aluminum Threadless |
| Headset size | 1 1/8 (inches) Aheadset |
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 | 28/38/48 Teeth Sun Race FC-M35 |
| Gear shift levers | Shimano EF-29 |
| Rear gear set | 13 - 30 Teeth 7-speed |
Trek 820 Fork System Data
| Derailleur (Front) | Shimano C051 |
| Derailleur (Rear) | Shimano Altus |
| Fork material | Single Triple-clamp |
| Fork type | 2.5 (inches) Travel RST Capa-CL |
Other Specs of Trek 820
| Component group sets | Mountain Mix |
| Pedals details | Nylon Platform |
| Rear shock absorber | Not Available |
| Saddle seat | Trek ATB |
| Seat post extension | Aluminum Micro-adjust |
Useful links and guides ....
- To know more about this exacte bike, Specialized provided us with the latest version of its Rockhopper Disc 29er bike manual
- Find All parts, tires and accessories of Specialized Rockhopper Disc 29er 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