Specialized ROCKHOPPER 2004 VS GT ZUM 1.0 2007 specs comparison
Specialized Rockhopper
General Infos| Model | Rockhopper |
| Manufacturer | Specialized |
| Year of production | 2004 |
| Current price | Check price Here ==> |
| Color choice |
- Silver -Blue |
| 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 Roll-X |
| Bike rear tire | Not Available |
| Bike wheel size | 26 (inches) Wheels |
| Brakeset type | Shimano Alivio RapidFire Plus Levers Tektro Linear-pull Brakes |
| Hubs for disc brakes | Aluminum QR |
| Rims manufacturer | 32-hole Alex DM-20 |
| Spoke nipples type | Brass Nipples |
| Spoke wheel | 15ga. Straight Gauge Stainless Steel |
Frame and Body Specs
| Frame materials | Specialized A1 Aluminum |
| Frame type | TIG-welded |
| Handlebar construction | Specialized Aluminum |
| Handlebar extender | Optional |
| Handlebar stem details | Specialized Aluminum |
| Headset size | 1 1/8 (inches) Threadless Aluminum Threadless |
Gearing Specifications
| Bicycle chain | 1/2 X 3/32 (inches) Shimano CN-IG31 |
| Bottom bracket shell width | 68 (millimeters) English |
| Bottom bracket type | 113 (millimeters) Spindle TruVativ Cartridge |
| Crankset parts and sizes | 22/32/42 Teeth Specialized Forearm II |
| Gear shift levers | Shimano Alivio RapidFire Plus |
| Rear gear set | 11 - 30 Teeth 8-speed |
Specialized Rockhopper Fork System Data
| Derailleur (Front) | Bottom-pull and clamp-on 34.9 (millimeters) Shimano Alivio |
| Derailleur (Rear) | Shimano Deore |
| Fork material | Single Crown Aluminum |
| Fork type | 80 (millimeters) Travel Answer Manitou Six |
Other Specs of Specialized Rockhopper
| Component group sets | Mountain Mix |
| Pedals details | Aluminum Platform |
| Rear shock absorber | Not Available |
| Saddle seat | Specialized Body Geometry Pro |
| Seat post extension | 30.9 (millimeters) Diameter Aluminum |
GT ZuM 1.0
General Infos| Model | ZuM 1.0 |
| Manufacturer | GT |
| Year of production | 2007 |
| Current price | Check price Here ==> |
| Color choice |
-Not found |
| Sizes |
- Xsmall - small - medium - large - xlarge |
Wheels And Breaking System
| Bike front tire | 26 X 1.50 (inches) Tioga City Slicker |
| Bike rear tire | Not Available |
| Bike wheel size | 26 (inches) Wheels |
| Brakeset type | Shimano Deore Levers Shimano Deore Disc Brakes |
| Hubs for disc brakes | Shimano Deore |
| Rims manufacturer | Alex FD-16 |
| Spoke nipples type | DT Swiss |
| Spoke wheel | 15ga. DT Swiss Champion |
Frame and Body Specs
| Frame materials | ZuM 6061 Butted Aluminum |
| Frame type | TIG-welded |
| Handlebar construction | Truvativ XR |
| Handlebar extender | Not Available |
| Handlebar stem details | TruVativ XR |
| Headset size | FSA Integrated |
Gearing Specifications
| Bicycle chain | Shimano |
| Bottom bracket shell width | Not Available |
| Bottom bracket type | TruVativ Power Spline |
| Crankset parts and sizes | 34/50 Teeth TruVativ Touro |
| Gear shift levers | Shimano Deore |
| Rear gear set | 12 - 25 Teeth 9-speed |
GT ZuM 1.0 Fork System Data
| Derailleur (Front) | Shimano Compact |
| Derailleur (Rear) | Shimano Deore XT |
| Fork material | Unicrown Crown Aluminum and magnesium |
| Fork type | 75 (millimeters) Travel SR NRX-8100 |
Other Specs of GT ZuM 1.0
| Component group sets | Mountain Mix |
| Pedals details | Crank Brothers Candy C |
| Rear shock absorber | Not Available |
| Saddle seat | SDG Bel Air |
| Seat post extension | GT Aluminum 6061 |
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 GT ZuM 1.0 manual book version yo know further about this bike
- Saddles, tires And mechanical parts for GT ZuM 1.0 Mountain bike here