Specialized ROCKHOPPER EXPERT 2009 VS Trek JACK 3 2007 specs comparison
Specialized Rockhopper Expert
General Infos| Model | Rockhopper Expert |
| Manufacturer | Specialized |
| Year of production | 2009 |
| Current price | Check price Here ==> |
| Color choice |
- Gloss Metallic Red -Dream Silver |
| Sizes |
- 13 (inches) - 15 (inches) - 17 (inches) - 19 (inches) - 21 (inches) - 23 (inches) |
| Sizes |
- 13 (inches) - 15 (inches) - 17 (inches) - 19 (inches) - 21 (inches) - 23 (inches) |
Wheels And Breaking System
| Bike front tire | 26 X 2.00 (inches) Specialized Fast Trak Control |
| Bike rear tire | Not Available |
| Bike wheel size | 26 (inches) Wheels |
| Brakeset type | Tektro Auriga Comp Levers Tektro Auriga Comp Hydraulic Disc Brakes |
| Hubs for disc brakes | Rear: Specialized Forged Alloy Front: Specialized Hi Lo Disc |
| Rims manufacturer | 28-hole and 32-hole Specialized RHD |
| Spoke nipples type | Not Available |
| Spoke wheel | 15ga. Stainless Steel |
Frame and Body Specs
| Frame materials | Specialized M4 ORE Aluminum |
| Frame type | TIG-welded |
| Handlebar construction | Specialized Low Riser |
| Handlebar extender | Optional |
| Handlebar stem details | Specialized 3D |
| Headset size | 1 1/8 (inches) Threadless |
Gearing Specifications
| Bicycle chain | KMC X9 |
| Bottom bracket shell width | 68 (millimeters) |
| Bottom bracket type | 118 (millimeters) Spindle Shimano BB-ES25 |
| Crankset parts and sizes | 22/32/44 Teeth Shimano FC-M442 |
| Gear shift levers | Shimano Deore Rapidfire |
| Rear gear set | 11 - 34 Teeth 9-speed |
Specialized Rockhopper Expert Fork System Data
| Derailleur (Front) | Shimano Deore |
| Derailleur (Rear) | Shimano Deore |
| Fork material | Single Crown Chromoly and alloy and magnesium |
| Fork type | 100 (millimeters) Travel RockShox Tora SLite |
Other Specs of Specialized Rockhopper Expert
| Component group sets | Shimano Deore |
| Pedals details | Alloy Cage |
| Rear shock absorber | Not Available |
| Saddle seat | Specialized BG Indie XC |
| Seat post extension | 30.9 (millimeters) Diameter Specialized Alloy Two Bolt |
Trek Jack 3
General Infos| Model | Jack 3 |
| Manufacturer | Trek |
| Year of production | 2007 |
| Current price | Check price Here ==> |
| Color choice |
-Gloss White |
| 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 | Avid Juicy 5 Levers Avid Juicy 5 With 8 (inches) Rotor Front and Avid Juicy 5 Hydraulic Disc With 6 (inches) Rotor Rear Brakes |
| Hubs for disc brakes | Shimano M-475 Disc |
| Rims manufacturer | Sun Rhyno Lite |
| 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 | 24/36 Teeth Bontrager King Earl |
| Gear shift levers | Shimano Deore |
| Rear gear set | 11 - 34 Teeth 9-speed |
Trek Jack 3 Fork System Data
| Derailleur (Front) | Shimano Deore |
| Derailleur (Rear) | Shimano Deore LX |
| Fork material | Single Crown Aluminum and magnesium |
| Fork type | 80 (millimeters) Travel Manitou Stance Static |
Other Specs of Trek Jack 3
| Component group sets | Shimano Deore |
| Pedals details | Bontrager Big Earl Platform |
| Rear shock absorber | Not Available |
| Saddle seat | Bontrager Big Earl |
| Seat post extension | Bontrager King Earl |
Useful links and guides ....
- To know more about this exacte bike, Specialized provided us with the latest version of its Rockhopper Expert bike manual
- Find All parts, tires and accessories of Specialized Rockhopper Expert Mountain bike here
- Get your Trek Jack 3 manual book version yo know further about this bike
- Saddles, tires And mechanical parts for Trek Jack 3 Mountain bike here