Trek 3900 DISC 2012 VS Specialized ROCKHOPPER 2012 specs comparison
Trek 3900 Disc
General Infos| Model | 3900 Disc |
| Manufacturer | Trek |
| Year of production | 2012 |
| Current price | Check price Here ==> |
| Color choice |
- Matte Metallic Black and Cool Grey -Chi Red |
| Sizes |
- 13 - 16 - 18 - 19.5 - 21 - 22.5 |
| Sizes |
- 13 - 16 - 18 - 19.5 - 21 - 22.5 |
Wheels And Breaking System
| Bike front tire | Bontrager LT3 26x2.0 (inches) |
| Bike rear tire | Not Available |
| Bike wheel size | Not Available |
| Brakeset type | Tektro Novela Mechanical Disc |
| Hubs for disc brakes | Formula DC20 Alloy Formula DC22 Alloy |
| Rims manufacturer | Unavailable Wheelset |
| Spoke nipples type | Not Available |
| Spoke wheel | Not Available |
Frame and Body Specs
| Frame materials | Alpha Silver Aluminum |
| Frame type | Not Available |
| Handlebar construction | Bontrager Riser 30 (millimeters) |
| Handlebar extender | Not Available |
| Handlebar stem details | Bontrager Forged 25.4 (millimeters) |
| Headset size | 1 1/8 (inches) Threadless |
Gearing Specifications
| Bicycle chain | Unavailable Chain |
| Bottom bracket shell width | Not Available |
| Bottom bracket type | Unavailable Bottom Bracket |
| Crankset parts and sizes | Shimano TX M171 42/34/24t |
| Gear shift levers | Shimano EF-51 8spd |
| Rear gear set | Not Available |
Trek 3900 Disc Fork System Data
| Derailleur (Front) | Shimano Altus |
| Derailleur (Rear) | Shimano Acera 8spd |
| Fork material | Not Available |
| Fork type | SR Suntour XCM V3 100 (millimeters) |
Other Specs of Trek 3900 Disc
| Component group sets | Not Available |
| Pedals details | Nylon Flat Pedal |
| Rear shock absorber | Unavailable Rear Shock |
| Saddle seat | Bontrager SSR |
| Seat post extension | Bontrager SSR 31.6 (millimeters) |
Specialized Rockhopper
General Infos| Model | Rockhopper |
| Manufacturer | Specialized |
| Year of production | 2012 |
| Current price | Check price Here ==> |
| Color choice |
- Black and White and White -Black and Orange and White |
| Sizes |
- 13 - 15.5 - 17.5 - 19 - 21 |
Wheels And Breaking System
| Bike front tire | The Captain Sport 26 X 2 (inches) |
| Bike rear tire | Not Available |
| Bike wheel size | Not Available |
| Brakeset type | Tektro Draco Hydraulic |
| Hubs for disc brakes | Unavailable Front Hub Unavailable Rear Hub |
| Rims manufacturer | Alex RH Disc 26 (inches) |
| Spoke nipples type | Not Available |
| Spoke wheel | Not Available |
Frame and Body Specs
| Frame materials | Specialized M4 |
| Frame type | Not Available |
| Handlebar construction | Double-butted XC Riser Bar |
| Handlebar extender | Not Available |
| Handlebar stem details | 31.8 Forged 6061 |
| Headset size | Integrated 1-1/8 (inches) Threadless |
Gearing Specifications
| Bicycle chain | KMC X-9 |
| Bottom bracket shell width | Not Available |
| Bottom bracket type | Shimano Octalink 73 |
| Crankset parts and sizes | SR Suntour |
| Gear shift levers | 9spd Rapidfire Shimano Acera |
| Rear gear set | Not Available |
Specialized Rockhopper Fork System Data
| Derailleur (Front) | Shimano Acera |
| Derailleur (Rear) | Shimano Alivio 9spd |
| Fork material | Not Available |
| Fork type | SR Suntour XCR |
Other Specs of Specialized Rockhopper
| Component group sets | Not Available |
| Pedals details | Compostie |
| Rear shock absorber | Unavailable Rear Shock |
| Saddle seat | Body Geometry Rockhopper 143 (millimeters) |
| Seat post extension | Alloy 30.9 |
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 Specialized Rockhopper manual book version yo know further about this bike
- Saddles, tires And mechanical parts for Specialized Rockhopper Mountain bike here