Trek JACK 2 2007 VS Specialized ROCKHOPPER 2011 specs comparison
Trek Jack 2
General Infos| Model | Jack 2 |
| Manufacturer | Trek |
| Year of production | 2007 |
| Current price | Check price Here ==> |
| Color choice |
-Gloss Orange |
| Sizes |
- 13 (inches) - 15 (inches) - 17 (inches) |
| Sizes |
- 13 (inches) - 15 (inches) - 17 (inches) |
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 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 M-475 Disc |
| Rims manufacturer | Sun Ditch Witch |
| Spoke nipples type | Not Available |
| Spoke wheel | Not Available |
Frame and Body Specs
| Frame materials | Alpha Aluminum |
| Frame type | TIG-welded |
| Handlebar construction | Bontrager Big Earl |
| Handlebar extender | Optional |
| Handlebar stem details | Bontrager Earl |
| Headset size | Semi-cartridge Aheadset |
Gearing Specifications
| Bicycle chain | Not Available |
| Bottom bracket shell width | Not Available |
| Bottom bracket type | Not Available |
| Crankset parts and sizes | 22/32/44 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 Aluminum and magnesium |
| 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 Big Earl Jump |
| Seat post extension | Bontrager Sport |
Specialized Rockhopper
General Infos| Model | Rockhopper |
| Manufacturer | Specialized |
| Year of production | 2011 |
| Current price | Check price Here ==> |
| Color choice |
- Wht and Red -Blk and Brn |
| Sizes |
- 13 (inches) - 15.5 (inches) - 17.5 (inches) - 19 (inches) - 21 (inches) - 23 (inches) |
Wheels And Breaking System
| Bike front tire | 26 X 2.0 (inches) Specialized The Captain Sport |
| Bike rear tire | Not Available |
| Bike wheel size | 26 (inches) Wheels |
| Brakeset type | Alloy Levers Avid BB5 Mechanical Disc Brakes |
| Hubs for disc brakes | Rear: Forged Alloy Front: Forged Alloy Hi and low Flange |
| Rims manufacturer | 28-hole and 32-hole Alex RHD 26 (inches) |
| Spoke nipples type | Not Available |
| Spoke wheel | 14ga. Butted Stainless |
Frame and Body Specs
| Frame materials | Specialized M4 Alloy |
| Frame type | TIG-welded |
| Handlebar construction | Butted Alloy Risebar |
| Handlebar extender | Optional |
| Handlebar stem details | 3D Forged Alloy |
| Headset size | 1 1/8 (inches) Threadless |
Gearing Specifications
| Bicycle chain | KMC X8 |
| Bottom bracket shell width | Not Available |
| Bottom bracket type | Shimano BB ES25 Octalink |
| Crankset parts and sizes | 22/32/42 Teeth SR Suntour |
| Gear shift levers | SRAM X.4 |
| Rear gear set | 11 - 32 Teeth 8-speed |
Specialized Rockhopper Fork System Data
| Derailleur (Front) | 34.9 (millimeters) Clamp Shimano Atlus |
| Derailleur (Rear) | SRAM X.5 |
| Fork material | Single Crown Alloy Steerer |
| Fork type | SR Suntour SF11 |
Other Specs of Specialized Rockhopper
| Component group sets | Mountain Mix |
| Pedals details | Plastic Platform |
| Rear shock absorber | Not Available |
| Saddle seat | Specialized Rockhopper XC |
| Seat post extension | 30.9 (millimeters) Diameter Two-bolt Alloy Micro-Adjust |
Useful links and guides ....
- To know more about this exacte bike, Trek provided us with the latest version of its Jack 2 bike manual
- Find All parts, tires and accessories of Trek Jack 2 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