Trek 3900 DISC 2011 VS GT CHUCKER 20 2007 specs comparison
Trek 3900 Disc
General Infos| Model | 3900 Disc |
| Manufacturer | Trek |
| Year of production | 2011 |
| Current price | Check price Here ==> |
| Color choice |
-Deep Blue |
| 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 EF50 Levers Tektro Novela Brakes |
| Hubs for disc brakes | Rear: Shimano Alloy M475 Front: Formula DC20 |
| Rims manufacturer | 36-hole Bontrager 550 |
| Spoke nipples type | Not Available |
| Spoke wheel | Not Available |
Frame and Body Specs
| Frame materials | Alloy |
| 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 | 24/34/42 Teeth Shimano M171 |
| Gear shift levers | Shimano EF51 |
| Rear gear set | 11 - 32 Teeth 8-speed |
Trek 3900 Disc Fork System Data
| Derailleur (Front) | Shimano M190 |
| Derailleur (Rear) | Shimano M360 |
| Fork material | Single |
| Fork type | 100 (millimeters) Travel SR Suntour XCT |
Other Specs of Trek 3900 Disc
| 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 |
GT Chucker 20
General Infos| Model | Chucker 20 |
| Manufacturer | GT |
| Year of production | 2007 |
| Current price | Check price Here ==> |
| Color choice |
-Sand Blast Blue |
| Sizes |
- 20 Wheels (inches) |
Wheels And Breaking System
| Bike front tire | 20 X 2.35 (inches) Kenda Kinetics |
| Bike rear tire | Not Available |
| Bike wheel size | 20 (inches) Wheels |
| Brakeset type | Tektro Alloy Jr. ATB Levers Tektro Alloy V-Type Brakes |
| Hubs for disc brakes | Alloy QR |
| Rims manufacturer | Jalco ST-32 |
| Spoke nipples type | CP Brass |
| Spoke wheel | 14ga. |
Frame and Body Specs
| Frame materials | GT Chucker Design 7005 Aluminum |
| Frame type | TIG-welded |
| Handlebar construction | Alloy Rise |
| Handlebar extender | Optional |
| Handlebar stem details | Alloy |
| Headset size | Standard Press-In Ball Type |
Gearing Specifications
| Bicycle chain | KMC Z51 |
| Bottom bracket shell width | Not Available |
| Bottom bracket type | Cartridge |
| Crankset parts and sizes | 36 Teeth ProWheel |
| Gear shift levers | SRAM MXR Twistgrip |
| Rear gear set | 14 - 28 Teeth 7-speed |
GT Chucker 20 Fork System Data
| Derailleur (Front) | Not Available |
| Derailleur (Rear) | Shimano Tourney 30 |
| Fork material | Single Crown Aluminum and steel |
| Fork type | 40 (millimeters) Travel SR Suntour XCU |
Other Specs of GT Chucker 20
| Component group sets | Mountain Mix |
| Pedals details | GT Jr. BMX Platform |
| Rear shock absorber | Not Available |
| Saddle seat | 9 (millimeters) Rails GT Jr. Jump Design |
| Seat post extension | Alloy |
Useful links and guides ....
- To know more about this exacte bike, Trek provided us with the latest version of its 3900 Disc bike manual
- Find All parts, tires and accessories of Trek 3900 Disc Mountain bike here
- Get your GT Chucker 20 manual book version yo know further about this bike
- Saddles, tires And mechanical parts for GT Chucker 20 Mountain bike here