Trek 3900 DISC 2009 VS Electra BOMBER 7 1998 specs comparison
Trek 3900 Disc
General Infos| Model | 3900 Disc |
| Manufacturer | Trek |
| Year of production | 2009 |
| Current price | Check price Here ==> |
| Color choice |
-Matte Khaki |
| 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 2.00 (inches) Bontrager Connection Trail |
| Bike rear tire | Not Available |
| Bike wheel size | 26 (inches) Wheels |
| Brakeset type | Shimano EF-50 EZ Fire Integrated Levers ProMax Mechanical Disc Brakes |
| Hubs for disc brakes | Rear: Shimano M-475 Disc Front: Alloy |
| Rims manufacturer | Matrix 550 |
| Spoke nipples type | Not Available |
| Spoke wheel | Not Available |
Frame and Body Specs
| Frame materials | Alpha White Aluminum |
| Frame type | TIG-welded |
| Handlebar construction | Bontrager Approved |
| Handlebar extender | Optional |
| Handlebar stem details | Bontrager Approved |
| Headset size | 1 1/8 (inches) Threadless VP A76C-TK |
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 SR Suntour XCC T102 |
| Gear shift levers | Shimano EF-50 EZ Fire Integrated |
| Rear gear set | 11 - 32 Teeth 8-speed |
Trek 3900 Disc Fork System Data
| Derailleur (Front) | Shimano C050 |
| Derailleur (Rear) | Shimano Acera |
| Fork material | Single Crown |
| Fork type | 80 (millimeters) Travel SR Suntour XCT V2 |
Other Specs of Trek 3900 Disc
| Component group sets | Shimano Mix |
| Pedals details | Nylon Platform |
| Rear shock absorber | Not Available |
| Saddle seat | Bontrager Approved |
| Seat post extension | Bontrager SSR |
Electra Bomber 7
General Infos| Model | Bomber 7 |
| Manufacturer | Electra |
| Year of production | 1998 |
| Current price | Check price Here ==> |
| Color choice |
-Electric blue |
| Sizes |
- 18.5 (inches) |
Wheels And Breaking System
| Bike front tire | 26 X 2.10 (inches) EBC All Terrain |
| Bike rear tire | Not Available |
| Bike wheel size | 26 (inches) Wheels |
| Brakeset type | Tektro RBP-375A Levers Tektro 823 Linear-pull Front and Shimano Nexus Roller Brake Rear Brakes |
| Hubs for disc brakes | Q and R Rear: Shimano Nexus Inter 7 Roller Brake Front: Aluminum |
| Rims manufacturer | 36-hole EBC TA-8 Aluminum |
| Spoke nipples type | Brass Nipples |
| Spoke wheel | 2.0 (millimeters) Straight Gauge Stainless Steel |
Frame and Body Specs
| Frame materials | 4130 Chromoly Main Triangle and hi-tensile Steel Rear Stays |
| Frame type | TIG-welded |
| Handlebar construction | EBC Downhill With Crossbar |
| Handlebar extender | Not Available |
| Handlebar stem details | Aluminum |
| Headset size | 1 (inches) Threadless YST |
Gearing Specifications
| Bicycle chain | 1/2 X 1/8 (inches) |
| Bottom bracket shell width | 68 (millimeters) English |
| Bottom bracket type | Shimano BB-CT91 |
| Crankset parts and sizes | 42 Teeth Cyclone CPI |
| Gear shift levers | Grip Shift SRT-400 |
| Rear gear set | 22 Teeth 7-speed Internal |
Electra Bomber 7 Fork System Data
| Derailleur (Front) | Not Available |
| Derailleur (Rear) | Not Available |
| Fork material | Triple-clamp Crown Aluminum and chromoly |
| Fork type | RST 280 |
Other Specs of Electra Bomber 7
| Component group sets | Shimano Nexus |
| Pedals details | Wellgo Aluminum |
| Rear shock absorber | Not Available |
| Saddle seat | EBC Performance |
| Seat post extension | 26.8 (millimeters) Diameter Kalloy Aluminum Micro-adjust |
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 Electra Bomber 7 manual book version yo know further about this bike
- Saddles, tires And mechanical parts for Electra Bomber 7 Mountain bike here