Trek 3900 DISC 2011 VS North Star ESTRELLA AL 1997 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 |
North Star Estrella Al
General Infos| Model | Estrella Al |
| Manufacturer | North Star |
| Year of production | 1997 |
| Current price | Check price Here ==> |
| Color choice |
-Ball burnished |
| Sizes |
- 15 (inches) - 17 (inches) - 19 (inches) - 21 (inches) |
Wheels And Breaking System
| Bike front tire | 26 X 2.10 (inches) WTB VelociRaptor |
| Bike rear tire | Not Available |
| Bike wheel size | 26 (inches) Wheels |
| Brakeset type | Tektro RBP-375A Levers Tektro 876AG V-Brake Brakes |
| Hubs for disc brakes | Rear: Shimano STX-RC Front: North Star |
| Rims manufacturer | 32-hole Araya GP-710 |
| Spoke nipples type | Brass Nipples |
| Spoke wheel | 2.0 (millimeters) Straight Gauge Stainless Steel |
Frame and Body Specs
| Frame materials | Double-butted North Star Superlite Aluminum |
| Frame type | TIG-welded |
| Handlebar construction | North Star Pro Series |
| Handlebar extender | Optional |
| Handlebar stem details | North Star |
| Headset size | 1 1/8 (inches) Threadless Dia-Tech |
Gearing Specifications
| Bicycle chain | 1/2 X 3/32 (inches) Shimano CN-IG51 |
| Bottom bracket shell width | 68 (millimeters) English |
| Bottom bracket type | Shimano BB-UN52 |
| Crankset parts and sizes | 24/34/42 Teeth Shimano Alivio |
| Gear shift levers | Grip Shift SRT-400i |
| Rear gear set | 11 - 30 Teeth 8-speed |
North Star Estrella Al Fork System Data
| Derailleur (Front) | Top-pull and clamp-on 35.0 (millimeters) Shimano Alivio Top-swing |
| Derailleur (Rear) | Shimano STX |
| Fork material | Triple-clamp Crown Magnesium |
| Fork type | Rock Shox Indy C |
Other Specs of North Star Estrella Al
| Component group sets | Shimano STX-RC and Alivio |
| Pedals details | Chromoly Cage With Clips & Straps |
| Rear shock absorber | Not Available |
| Saddle seat | North Star Competition |
| Seat post extension | North Star 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 North Star Estrella Al manual book version yo know further about this bike
- Saddles, tires And mechanical parts for North Star Estrella Al Mountain bike here