Trek 820 2011 VS Specialized ROCKHOPPER PRO 2009 specs comparison
Trek 820
General Infos| Model | 820 |
| Manufacturer | Trek |
| Year of production | 2011 |
| Current price | Check price Here ==> |
| Color choice |
-Gloss Black |
| Sizes |
- 13 (inches) - 16 (inches) - 18 (inches) - 19.5 (inches) - 21 (inches) - 22.5 (inches) |
| Sizes |
- 13 (inches) - 16 (inches) - 18 (inches) - 19.5 (inches) - 21 (inches) - 22.5 (inches) |
Wheels And Breaking System
| Bike front tire | 26 X 2.0 (inches) Bontrager LT3 |
| Bike rear tire | Not Available |
| Bike wheel size | 26 (inches) Wheels |
| Brakeset type | Shimano EF40 Levers Tektro V Brakes |
| Hubs for disc brakes | Rear: Formula FM31 Front: Formula FM21 |
| Rims manufacturer | 36-hole Bontrager 550 |
| Spoke nipples type | Not Available |
| Spoke wheel | Not Available |
Frame and Body Specs
| Frame materials | Steel |
| Frame type | TIG-welded |
| Handlebar construction | Bontrager Approved Riser |
| Handlebar extender | Optional |
| Handlebar stem details | Bontrager Approved |
| Headset size | 1 1/8 (inches) Threadless Semi Integrated |
Gearing Specifications
| Bicycle chain | Not Available |
| Bottom bracket shell width | Not Available |
| Bottom bracket type | Not Available |
| Crankset parts and sizes | 28/38/48 Teeth Hawk DX |
| Gear shift levers | Shimano EF40 |
| Rear gear set | 13 - 34 Teeth 7-speed |
Trek 820 Fork System Data
| Derailleur (Front) | Shimano TX51 |
| Derailleur (Rear) | Shimano TX31 |
| Fork material | Single |
| Fork type | 63 (millimeters) Travel SR Suntour M-2025 |
Other Specs of Trek 820
| Component group sets | Shimano Mix |
| Pedals details | Wellgo Nylon Platform |
| Rear shock absorber | Not Available |
| Saddle seat | Bontager SSR |
| Seat post extension | 31.6 (millimeters) Diameter Bontrager SSR |
Specialized Rockhopper Pro
General Infos| Model | Rockhopper Pro |
| Manufacturer | Specialized |
| Year of production | 2009 |
| Current price | Check price Here ==> |
| Color choice |
-Gloss Metallic Orange |
| Sizes |
- 13 (inches) - 15 (inches) - 17 (inches) - 19 (inches) - 21 (inches) - 23 (inches) |
Wheels And Breaking System
| Bike front tire | 26 X 2.00 (inches) Specialized Fast Trak LK Control |
| Bike rear tire | Not Available |
| Bike wheel size | 26 (inches) Wheels |
| Brakeset type | Avid Juicy 3 SL Levers Avid Juicy 3 SL With 160 (millimeters) Rotor Brakes |
| Hubs for disc brakes | Rear: Specialized Disc Front: Specialized Hi Lo Disc |
| Rims manufacturer | 28-hole and 32-hole DT Swiss 445D |
| Spoke nipples type | Not Available |
| Spoke wheel | 15ga. Stainless Steel |
Frame and Body Specs
| Frame materials | Specialized M4 ORE Aluminum |
| Frame type | TIG-welded |
| Handlebar construction | Specialized Low Riser |
| Handlebar extender | Optional |
| Handlebar stem details | Specialized 3D |
| Headset size | 1 1/8 (inches) Threadless |
Gearing Specifications
| Bicycle chain | KMC X9 SL |
| Bottom bracket shell width | 68 (millimeters) |
| Bottom bracket type | 118 (millimeters) Spindle Shimano BB-ES25 |
| Crankset parts and sizes | 22/32/44 Teeth Shimano Deore |
| Gear shift levers | SRAM X.5 Trigger |
| Rear gear set | 11 - 34 Teeth 9-speed |
Specialized Rockhopper Pro Fork System Data
| Derailleur (Front) | Shimano Deore |
| Derailleur (Rear) | SRAM X.7 |
| Fork material | Single Crown Alloy |
| Fork type | 100 (millimeters) Travel RockShox Recon SLite |
Other Specs of Specialized Rockhopper Pro
| Component group sets | SRAM Mix |
| Pedals details | Alloy Cage |
| Rear shock absorber | Not Available |
| Saddle seat | Specialized BG Indie XC |
| Seat post extension | 30.9 (millimeters) Diameter Specialized Alloy Two Bolt |
Useful links and guides ....
- To know more about this exacte bike, Trek provided us with the latest version of its 820 bike manual
- Find All parts, tires and accessories of Trek 820 Mountain bike here
- Get your Specialized Rockhopper Pro manual book version yo know further about this bike
- Saddles, tires And mechanical parts for Specialized Rockhopper Pro Mountain bike here