Trek 3900 2005 VS Mongoose ROCKADILE AL 20 2007 specs comparison
Trek 3900
General Infos| Model | 3900 |
| Manufacturer | Trek |
| Year of production | 2005 |
| Current price | Check price Here ==> |
| Color choice |
- Black -Yellow and Blue |
| Sizes |
- 13 (inches) - 16 (inches) - 18 (inches) - 19.5 (inches) - 21 (inches) - 22.5 (inches) - womens 13 (inches) - womens 16 (inches) |
| Sizes |
- 13 (inches) - 16 (inches) - 18 (inches) - 19.5 (inches) - 21 (inches) - 22.5 (inches) - womens 13 (inches) - womens 16 (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 Levers Tektro Aluminum Brakes |
| Hubs for disc brakes | Q and R Rear: Shimano FH-RM30 Front: Aluminum |
| Rims manufacturer | Matrix 550 |
| Spoke nipples type | Not Available |
| Spoke wheel | Stainless Steel |
Frame and Body Specs
| Frame materials | Alpha Aluminum |
| Frame type | TIG-welded |
| Handlebar construction | Bontrager |
| Handlebar extender | Optional |
| Handlebar stem details | Bontrager |
| Headset size | Not Available |
Gearing Specifications
| Bicycle chain | 1/2 X 3/32 (inches) |
| Bottom bracket shell width | Not Available |
| Bottom bracket type | Not Available |
| Crankset parts and sizes | 24/34/42 Teeth SR |
| Gear shift levers | Shimano ST-EF29 |
| Rear gear set | 11 - 32 Teeth 8-speed |
Trek 3900 Fork System Data
| Derailleur (Front) | Shimano FD-C050 |
| Derailleur (Rear) | Shimano Acera |
| Fork material | Single Crown Aluminum |
| Fork type | 70 (millimeters) InSync Grind 1 |
Other Specs of Trek 3900
| Component group sets | Mountain Mix |
| Pedals details | Nylon |
| Rear shock absorber | Not Available |
| Saddle seat | Bontrager Sport |
| Seat post extension | Bontrager |
Mongoose Rockadile AL 20
General Infos| Model | Rockadile AL 20 |
| Manufacturer | Mongoose |
| Year of production | 2007 |
| Current price | Check price Here ==> |
| Color choice |
-Red |
| Sizes |
- Standard size for everyone |
Wheels And Breaking System
| Bike front tire | 20 X 1.95 (inches) Kenda K-850 |
| Bike rear tire | Not Available |
| Bike wheel size | 20 (inches) Wheels |
| Brakeset type | ProMax BL-81G Levers ProMax TX117 Brakes |
| Hubs for disc brakes | Joy Tech Alloy Sealed |
| Rims manufacturer | 36-hole Alex Z-1000 |
| Spoke nipples type | CP Brass |
| Spoke wheel | Stainless Steel |
Frame and Body Specs
| Frame materials | Alloy |
| Frame type | TIG-welded |
| Handlebar construction | Steel 30 (millimeters) Rise |
| Handlebar extender | Optional |
| Handlebar stem details | Alloy |
| Headset size | FPD Steel Threadless |
Gearing Specifications
| Bicycle chain | KMC Z30 |
| Bottom bracket shell width | Not Available |
| Bottom bracket type | VP Semi-cartridge |
| Crankset parts and sizes | 40 Teeth Prowheel P113PP |
| Gear shift levers | SRAM MRX 200 |
| Rear gear set | 14 - 28 Teeth 7-speed |
Mongoose Rockadile AL 20 Fork System Data
| Derailleur (Front) | Not Available |
| Derailleur (Rear) | Shimano RD-FT30 |
| Fork material | Single Crown Aluminum and steel |
| Fork type | SR Suntour M2000 |
Other Specs of Mongoose Rockadile AL 20
| Component group sets | Mountain Mix |
| Pedals details | FPD Resin With Boron Axle |
| Rear shock absorber | Not Available |
| Saddle seat | Mongoose MTB 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 bike manual
- Find All parts, tires and accessories of Trek 3900 Mountain bike here
- Get your Mongoose Rockadile AL 20 manual book version yo know further about this bike
- Saddles, tires And mechanical parts for Mongoose Rockadile AL 20 Mountain bike here