Trek 3900 DISC 2010 VS Specialized ROCKHOPPER DISC 2007 specs comparison
Trek 3900 Disc
General Infos| Model | 3900 Disc |
| Manufacturer | Trek |
| Year of production | 2010 |
| Current price | Check price Here ==> |
| Color choice |
- Matte Orange - Special Edition Matte White -Matte Black |
| 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 LT-3 |
| Bike rear tire | Not Available |
| Bike wheel size | 26 (inches) Wheels |
| Brakeset type | Shimano EF-50 Levers ProMax Mechanical Disc Brakes |
| Hubs for disc brakes | Rear: Shimano FH-M475 Disc Front: Formula Alloy DC20 |
| Rims manufacturer | Bontrager 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 Riser |
| Handlebar extender | Optional |
| Handlebar stem details | Bontrager Approved |
| Headset size | 1 1/8 (inches) Threadless VP-A68-TK |
Gearing Specifications
| Bicycle chain | Not Available |
| Bottom bracket shell width | Not Available |
| Bottom bracket type | Not Available |
| Crankset parts and sizes | 42/34/24 Teeth Shimano M191 |
| Gear shift levers | Shimano EF-50 |
| Rear gear set | 11 - 32 Teeth 8-speed |
Trek 3900 Disc Fork System Data
| Derailleur (Front) | Shimano C051 |
| Derailleur (Rear) | Shimano M-360 |
| Fork material | Single Crown |
| Fork type | 100 (millimeters) Travel SR Suntour SF9 XCT V2 |
Other Specs of Trek 3900 Disc
| Component group sets | Mountain Mix |
| Pedals details | Wellgo Nylon Platform |
| Rear shock absorber | Not Available |
| Saddle seat | Bontrager SSR |
| Seat post extension | 31.6 (millimeters) Diameter Bontrager SSR |
Specialized Rockhopper Disc
General Infos| Model | Rockhopper Disc |
| Manufacturer | Specialized |
| Year of production | 2007 |
| Current price | Check price Here ==> |
| Color choice |
- Red -Black |
| Sizes |
- 23 (inches) - 13 (inches) - 15 (inches) - 17 (inches) - 19 (inches) - 21 (inches) |
Wheels And Breaking System
| Bike front tire | 26 X 2.00 (inches) Specialized Fast Trak |
| Bike rear tire | Not Available |
| Bike wheel size | 26 (inches) Wheels |
| Brakeset type | Shimano EF-50 Levers Shimano BR-M415 With 6 (inches) Rotor Brakes |
| Hubs for disc brakes | Rear: Shimano FH-M65L Centerlock Disc Front: Shimano HB-M65L Centerlock Disc |
| Rims manufacturer | 32-hole Specialized and Alex RHD 26 |
| Spoke nipples type | Not Available |
| Spoke wheel | 15ga. Straight Gauge Stainless Steel |
Frame and Body Specs
| Frame materials | Specialized ORE A1 Aluminum |
| Frame type | TIG-welded |
| Handlebar construction | Alloy Riser |
| Handlebar extender | Optional |
| Handlebar stem details | Specialized 3D |
| Headset size | 1 1/8 (inches) Threadless |
Gearing Specifications
| Bicycle chain | Shimano CN-HG50 |
| Bottom bracket shell width | 68 (millimeters) |
| Bottom bracket type | 126 (millimeters) Spindle Shimano ES-25 |
| Crankset parts and sizes | 22/32/42 Teeth Shimano FCM-341-8 |
| Gear shift levers | Shimano EF-50 |
| Rear gear set | 11 - 32 Teeth 8-speed |
Specialized Rockhopper Disc Fork System Data
| Derailleur (Front) | Shimano Acera |
| Derailleur (Rear) | Shimano Alivio |
| Fork material | Single Crown Steel and aluminum |
| Fork type | 100 (millimeters) RockShox Dart 3 SL |
Other Specs of Specialized Rockhopper Disc
| Component group sets | Mountain Mix |
| Pedals details | Plastic Body Steel Cage |
| Rear shock absorber | Not Available |
| Saddle seat | Specialized Body Geometry ATB |
| Seat post extension | 30.9 (millimeters) Diameter Alloy 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 Specialized Rockhopper Disc manual book version yo know further about this bike
- Saddles, tires And mechanical parts for Specialized Rockhopper Disc Mountain bike here
