Trek 820 2011 VS Specialized ROCKHOPPER A1 FS 1997 specs comparison
Trek 820
General InfosModel | 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 A1 FS
General InfosModel | Rockhopper A1 FS |
Manufacturer | Specialized |
Year of production | 1997 |
Current price | Check price Here ==> |
Color choice |
- white -Teal |
Sizes |
- 13.5 (inches) - 15.5 (inches) - 17 (inches) - 18 (inches) - 19 (inches) - 20.5 (inches) |
Wheels And Breaking System
Bike front tire | Rear: 26 X 1.90 (inches) Specialized Team Master Front: 26 X 2.00 (inches) Specialized Team Control |
Bike rear tire | Not Available |
Bike wheel size | 26 (inches) Wheels |
Brakeset type | Dia-Compe DP-7 Levers Dia-Compe Direct Pull Brakes |
Hubs for disc brakes | Q and R Rear: Shimano Cassette Front: SBC Aluminum Quick Release |
Rims manufacturer | 32-hole Ritchey Rock SCX |
Spoke nipples type | Brass Nipples |
Spoke wheel | 2.0 (millimeters) Straight Gauge Stainless Steel |
Frame and Body Specs
Frame materials | SBC A1 Premium Aluminum |
Frame type | TIG-welded |
Handlebar construction | SBC Aluminum |
Handlebar extender | Optional |
Handlebar stem details | SBC Aluminum |
Headset size | 1 1/8 (inches) Threadless Tange |
Gearing Specifications
Bicycle chain | 1/2 X 3/32 (inches) Shimano |
Bottom bracket shell width | 68 (millimeters) English |
Bottom bracket type | SBC Sealed Cartridge |
Crankset parts and sizes | 22/32/42 Teeth SBC Son Of Strongarm |
Gear shift levers | Grip Shift SRT-400i |
Rear gear set | 11 - 30 Teeth 7-speed |
Specialized Rockhopper A1 FS Fork System Data
Derailleur (Front) | Bottom-pull and clamp-on 35.0 (millimeters) Shimano Alivio Top-swing |
Derailleur (Rear) | Shimano STX |
Fork material | Triple-clamp Crown Magnesium |
Fork type | Rock Shox Indy C |
Other Specs of Specialized Rockhopper A1 FS
Component group sets | Not Available |
Pedals details | Resin Body With Clips & Straps Aluminum Cage |
Rear shock absorber | Not Available |
Saddle seat | Specialized Prolong Evolution Carbotech |
Seat post extension | 30.9 (millimeters) Diameter Aluminum Micro-adjust |
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 A1 FS manual book version yo know further about this bike
- Saddles, tires And mechanical parts for Specialized Rockhopper A1 FS Mountain bike here