GT AGGRESSOR 1995 VS Trek 820 2011 specs comparison
GT Aggressor
General InfosModel | Aggressor |
Manufacturer | GT |
Year of production | 1995 |
Current price | Check price Here ==> |
Color choice |
- candy red -Bright blue |
Sizes |
- 14.5 (inches) - 16 (inches) - 18 (inches) - 20 (inches) |
Sizes |
- 14.5 (inches) - 16 (inches) - 18 (inches) - 20 (inches) |
Wheels And Breaking System
Bike front tire | 26 X 2.10 (inches) Maxxis |
Bike rear tire | Not Available |
Bike wheel size | 26 (inches) Wheels |
Brakeset type | Shimano Altus C90 Levers Shimano Altus C90 Brakes |
Hubs for disc brakes | Q and R and Shimano Altus C90 Jou Yu Alloy |
Rims manufacturer | 36-hole Weinmann 4019 |
Spoke nipples type | Brass Nipples |
Spoke wheel | Straight Gauge Steel |
Frame and Body Specs
Frame materials | Main Triangle Oversize Chromoly |
Frame type | TIG-welded Steel |
Handlebar construction | GT Flat Bulged |
Handlebar extender | Optional |
Handlebar stem details | GT Chromoly |
Headset size | 1 1/8 (inches) Sealed Mechanism |
Gearing Specifications
Bicycle chain | 1/2 X 3/32 (inches) Shimano CN-UG50 |
Bottom bracket shell width | Not Available |
Bottom bracket type | Not Available |
Crankset parts and sizes | 24/32/38 Teeth Shimano Altus C90 |
Gear shift levers | Shimano Altus C90 Rapid Fire TX |
Rear gear set | 11 - 28 Teeth 7-speed |
GT Aggressor Fork System Data
Derailleur (Front) | Bottom-pull and clamp-on 28.6 (millimeters) Shimano Altus C90 |
Derailleur (Rear) | Shimano Altus C90 |
Fork material | Triple-clamp |
Fork type | Not Available |
Other Specs of GT Aggressor
Component group sets | Shimano Altus C90 |
Pedals details | Victor VP-872 |
Rear shock absorber | Not Available |
Saddle seat | GT Supersoft |
Seat post extension | 26.8 (millimeters) Diameter Alloy Micro-adjust |

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) |
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 |
Useful links and guides ....
- To know more about this exacte bike, GT provided us with the latest version of its Aggressor bike manual
- Find All parts, tires and accessories of GT Aggressor 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