GT ZUM 3.0 2007 VS Trek 820 2011 specs comparison
GT ZuM 3.0
General Infos| Model | ZuM 3.0 |
| Manufacturer | GT |
| Year of production | 2007 |
| Current price | Check price Here ==> |
| Color choice |
-Not found |
| Sizes |
- Xsmall - small - medium - large - xlarge |
| Sizes |
- Xsmall - small - medium - large - xlarge |
Wheels And Breaking System
| Bike front tire | 26 X 1.50 (inches) Tioga City Slicker |
| Bike rear tire | Not Available |
| Bike wheel size | 26 (inches) Wheels |
| Brakeset type | Avid FR-5 Levers Shimano Cold Forged Brakes |
| Hubs for disc brakes | Shimano |
| Rims manufacturer | Alex DC-19 |
| Spoke nipples type | Alloy |
| Spoke wheel | Stainless Steel |
Frame and Body Specs
| Frame materials | ZuM 6061 Butted Aluminum |
| Frame type | TIG-welded |
| Handlebar construction | 6061 Heat Treated GT Mtn Riser |
| Handlebar extender | Not Available |
| Handlebar stem details | GT ATB |
| Headset size | FSA Integrated |
Gearing Specifications
| Bicycle chain | Shimano |
| Bottom bracket shell width | Not Available |
| Bottom bracket type | Truvativ Sealed Cartridge |
| Crankset parts and sizes | 26/36/48 Teeth Truvativ 5-D |
| Gear shift levers | Shimano Deore |
| Rear gear set | 11 - 34 Teeth 9-speed |
GT ZuM 3.0 Fork System Data
| Derailleur (Front) | Shimano Alivio |
| Derailleur (Rear) | Shimano Deore |
| Fork material | Unicrown Crown Aluminum and magnesium |
| Fork type | 60 (millimeters) Travel SR NRX-4500 |
Other Specs of GT ZuM 3.0
| Component group sets | Mountain Mix |
| Pedals details | Stainless Steel Cage Lo Profile Pedal Alloy Body |
| Rear shock absorber | Not Available |
| Saddle seat | WTB Speed V |
| Seat post extension | GT Aluminum 6061 |
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) |
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 ZuM 3.0 bike manual
- Find All parts, tires and accessories of GT ZuM 3.0 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