Trek 820 2011 VS Giant BOULDER KNOBBY 2007 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 |
Giant Boulder Knobby
General Infos| Model | Boulder Knobby |
| Manufacturer | Giant |
| Year of production | 2007 |
| Current price | Check price Here ==> |
| Color choice |
-Blue and Silver |
| Sizes |
- 12.5 (inches) - 14 (inches) - 16 (inches) - 18 (inches) - 20 (inches) - 22 (inches) |
Wheels And Breaking System
| Bike front tire | 26 X 2.10 (inches) MTB |
| Bike rear tire | Not Available |
| Bike wheel size | 26 (inches) Wheels |
| Brakeset type | Shimano EF-50 Levers Alloy Direct Pull Brakes |
| Hubs for disc brakes | Rear: Alloy Front: Alloy QR |
| Rims manufacturer | Alloy With Brushed Sidewalls |
| Spoke nipples type | Not Available |
| Spoke wheel | Stainless Steel |
Frame and Body Specs
| Frame materials | Chromoly |
| Frame type | TIG-welded |
| Handlebar construction | Steel 50 (millimeters) Rise |
| Handlebar extender | Optional |
| Handlebar stem details | Alloy |
| Headset size | Not Available |
Gearing Specifications
| Bicycle chain | KMC Z51 |
| Bottom bracket shell width | Not Available |
| Bottom bracket type | Cartridge |
| Crankset parts and sizes | 28/38/48 Teeth SR Suntour XCC-T208 |
| Gear shift levers | Shimano EF-50 |
| Rear gear set | 14 - 34 Teeth 7-speed |
Giant Boulder Knobby Fork System Data
| Derailleur (Front) | Shimano C-102 |
| Derailleur (Rear) | Shimano Altus |
| Fork material | Single Crown Steel |
| Fork type | 80 (millimeters) Travel Spinner Grind 1 |
Other Specs of Giant Boulder Knobby
| Component group sets | Mountain Mix |
| Pedals details | Nylon Platform |
| Rear shock absorber | Not Available |
| Saddle seat | Giant Groove Plus |
| Seat post extension | Alloy |
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 Giant Boulder Knobby manual book version yo know further about this bike
- Saddles, tires And mechanical parts for Giant Boulder Knobby Mountain bike here
