Specialized ROCKHOPPER 2007 VS Trek JACK 2 2009 specs comparison
Specialized Rockhopper
General Infos| Model | Rockhopper |
| Manufacturer | Specialized |
| Year of production | 2007 |
| Current price | Check price Here ==> |
| Color choice |
- Blue - Red -Black |
| Sizes |
- 23 (inches) - 13 (inches) - 15 (inches) - 17 (inches) - 19 (inches) - 21 (inches) |
| 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 Tektro V-brake Brakes |
| Hubs for disc brakes | Rear: Shimano FH-RM30L Front: Specialized |
| Rims manufacturer | 32-hole Specialized and Alex RH 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 | 22/32/44 Teeth Shimano FCM-341-8 |
| Gear shift levers | Shimano EF-50 |
| Rear gear set | 11 - 32 Teeth 8-speed |
Specialized Rockhopper 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
| 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 |
Trek Jack 2
General Infos| Model | Jack 2 |
| Manufacturer | Trek |
| Year of production | 2009 |
| Current price | Check price Here ==> |
| Color choice |
-Gloss Orange |
| Sizes |
- Small - medium - large |
Wheels And Breaking System
| Bike front tire | 26 X 2.40 (inches) Bontrager Earl |
| Bike rear tire | Not Available |
| Bike wheel size | 26 (inches) Wheels |
| Brakeset type | Hayes MX-2 Mechanical Levers Hayes MX-2 Mechanical With 8 (inches) Rotor Front and Hayes MX-2 Mechanical With 6 (inches) Rotor Rear Brakes |
| Hubs for disc brakes | Shimano M475 |
| Rims manufacturer | Sun Ditch Witch |
| 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 Big Earl |
| Handlebar extender | Optional |
| Handlebar stem details | Bontrager Earl |
| Headset size | 1 1/8 (inches) Aheadset Semi-cartridge |
Gearing Specifications
| Bicycle chain | Not Available |
| Bottom bracket shell width | Not Available |
| Bottom bracket type | Not Available |
| Crankset parts and sizes | 22/32/42 Teeth Bontrager Big Earl |
| Gear shift levers | Shimano Alivio |
| Rear gear set | 11 - 32 Teeth 8-speed |
Trek Jack 2 Fork System Data
| Derailleur (Front) | Shimano Alivio |
| Derailleur (Rear) | Shimano Alivio |
| Fork material | Single Crown |
| Fork type | 100 (millimeters) Travel Manitou Slate Comp FFD |
Other Specs of Trek Jack 2
| Component group sets | Shimano Alivio |
| Pedals details | Alloy Platform |
| Rear shock absorber | Not Available |
| Saddle seat | Bontrager Earl Jump |
| Seat post extension | Bontrager Sport |
Useful links and guides ....
- To know more about this exacte bike, Specialized provided us with the latest version of its Rockhopper bike manual
- Find All parts, tires and accessories of Specialized Rockhopper Mountain bike here
- Get your Trek Jack 2 manual book version yo know further about this bike
- Saddles, tires And mechanical parts for Trek Jack 2 Mountain bike here