Specialized ROCKHOPPER EXPERT 2009 VS Giant BOULDER DJ 2008 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 |
Giant Boulder DJ
General Infos| Model | Boulder DJ |
| Manufacturer | Giant |
| Year of production | 2008 |
| Current price | Check price Here ==> |
| Color choice |
-Silver and Anthracite |
| Sizes |
- 12.5 (inches) - 14 (inches) - 16 (inches) - 18 (inches) - 20 (inches) - 22 (inches) |
Wheels And Breaking System
| Bike front tire | Kenda K-Rad |
| Bike rear tire | Not Available |
| Bike wheel size | Not Available |
| Brakeset type | Shimano EF-50 Levers Alloy Direct-Pull Brakes |
| Hubs for disc brakes | Alloy QR |
| Rims manufacturer | 32-hole Alloy |
| Spoke nipples type | Not Available |
| Spoke wheel | Stainless Steel |
Frame and Body Specs
| Frame materials | Steel |
| Frame type | TIG-welded |
| Handlebar construction | Steel Riser |
| Handlebar extender | Optional |
| Handlebar stem details | Alloy |
| Headset size | 1 1/8 (inches) Threadless |
Gearing Specifications
| Bicycle chain | KMC Z51 |
| Bottom bracket shell width | Not Available |
| Bottom bracket type | Cartridge |
| Crankset parts and sizes | 28/38/48 Teeth SR Suntour XCC T-208 |
| Gear shift levers | Shimano EF-50 |
| Rear gear set | 13 - 34 Teeth 7-speed |
Giant Boulder DJ Fork System Data
| Derailleur (Front) | Shimano C-102 |
| Derailleur (Rear) | Shimano Altus |
| Fork material | Single Crown Steel and aluminum |
| Fork type | 80 (millimeters) Travel Spinner Grind 1 |
Other Specs of Giant Boulder DJ
| Component group sets | Mountain Mix |
| Pedals details | Nylon |
| Rear shock absorber | Not Available |
| Saddle seat | Giant DJ |
| Seat post extension | Alloy |
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 Giant Boulder DJ manual book version yo know further about this bike
- Saddles, tires And mechanical parts for Giant Boulder DJ Mountain bike here