Trek 820 WSD 2011 VS Specialized ROCKHOPPER A1 FS 1996 specs comparison
Trek 820 WSD
General Infos| Model | 820 WSD |
| Manufacturer | Trek |
| Year of production | 2011 |
| Current price | Check price Here ==> |
| Color choice |
-Crystal Pearl White |
| Sizes |
- Womens 13 (inches) - womens 16 (inches) - womens 19.5 (inches) |
| Sizes |
- Womens 13 (inches) - womens 16 (inches) - womens 19.5 (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 WSD 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 WSD
| Component group sets | Shimano Mix |
| Pedals details | Wellgo Nylon Platform |
| Rear shock absorber | Not Available |
| Saddle seat | Bontager SSR WSD |
| Seat post extension | 31.6 (millimeters) Diameter Bontrager SSR |
Specialized Rockhopper A1 FS
General Infos| Model | Rockhopper A1 FS |
| Manufacturer | Specialized |
| Year of production | 1996 |
| Current price | Check price Here ==> |
| Color choice |
-Purple |
| 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 1.95 (inches) Specialized Ground Master Front: 26 X 1.95 (inches) Specialized Ground Control II |
| Bike rear tire | Not Available |
| Bike wheel size | 26 (inches) Wheels |
| Brakeset type | Dia-Compe PC-3 Levers Shimano Altus Brakes |
| Hubs for disc brakes | Not Available |
| Rims manufacturer | 32-hole Araya GP-710 |
| Spoke nipples type | Brass Nipples |
| Spoke wheel | 2.0 (millimeters) Straight Gauge Wheelsmith Stainless Steel |
Frame and Body Specs
| Frame materials | Specialized Premium A1 Aluminum |
| Frame type | Welded Aluminum |
| Handlebar construction | Alloy |
| Handlebar extender | Optional |
| Handlebar stem details | Chromoly |
| Headset size | 1 1/8 (inches) Sealed Mechanism |
Gearing Specifications
| Bicycle chain | 1/2 X 3/32 (inches) Shimano CN-HG50 |
| Bottom bracket shell width | 73 (millimeters) English |
| Bottom bracket type | 107 (millimeters) Spindle Shimano BB-LP26 |
| Crankset parts and sizes | 20/32/42 Teeth Specialized Son Of Strongarm |
| Gear shift levers | Grip Shift SRT-300i |
| Rear gear set | 11 - 28 Teeth 7-speed |
Specialized Rockhopper A1 FS Fork System Data
| Derailleur (Front) | Bottom-pull and clamp-on 31.8 (millimeters) Shimano Alivio Top-swing |
| Derailleur (Rear) | Shimano STX |
| Fork material | Triple-clamp Crown Magnesium |
| Fork type | Rock Shox Quadra 5 |
Other Specs of Specialized Rockhopper A1 FS
| Component group sets | Shimano Alivio |
| Pedals details | HTI Steel and resin With Clips & Straps |
| Rear shock absorber | Not Available |
| Saddle seat | Specialized Comfort Sport |
| Seat post extension | 30.9 (millimeters) Diameter Alloy Micro-adjust |
Useful links and guides ....
- To know more about this exacte bike, Trek provided us with the latest version of its 820 WSD bike manual
- Find All parts, tires and accessories of Trek 820 WSD 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