GT ZUM 4.0 2007 VS Specialized HARDROCK SPORT FS 1998 specs comparison
GT ZuM 4.0
General Infos| Model | ZuM 4.0 |
| Manufacturer | GT |
| Year of production | 2007 |
| Current price | Check price Here ==> |
| Color choice |
-Not found |
| Sizes |
- Xsmall - small - medium - large - xlarge |
| 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 ST-EF29 Levers Tektro Linear-pull Brakes |
| Hubs for disc brakes | Alloy QR |
| Rims manufacturer | Alloy Double Wall |
| Spoke nipples type | Brass Nipples |
| Spoke wheel | Stainless Steel |
Frame and Body Specs
| Frame materials | ZuM 6061 Butted Aluminum |
| Frame type | TIG-welded |
| Handlebar construction | 6061 Heat Treated GT Mtn Riser |
| Handlebar extender | Not Available |
| Handlebar stem details | GT ATB |
| Headset size | FSA Integrated |
Gearing Specifications
| Bicycle chain | Not Available |
| Bottom bracket shell width | Not Available |
| Bottom bracket type | Cartridge Sealed |
| Crankset parts and sizes | 22/32/42 Teeth Suntour XCT-202 |
| Gear shift levers | Shimano ST-EF50 |
| Rear gear set | 11 - 32 Teeth 8-speed |
GT ZuM 4.0 Fork System Data
| Derailleur (Front) | Shimano Acera |
| Derailleur (Rear) | Shimano Acera |
| Fork material | Unicrown Crown Aluminum and magnesium |
| Fork type | 60 (millimeters) Travel SR NRX-4000 |
Other Specs of GT ZuM 4.0
| Component group sets | Mountain Mix |
| Pedals details | High Impact Nylon Platform |
| Rear shock absorber | Not Available |
| Saddle seat | WTB Speed V |
| Seat post extension | GT Aluminum 6061 |
Specialized Hardrock Sport FS
General Infos| Model | Hardrock Sport FS |
| Manufacturer | Specialized |
| Year of production | 1998 |
| Current price | Check price Here ==> |
| Color choice |
- dark dew green -Black |
| Sizes |
- 13 (inches) - 15 (inches) - 17 (inches) - 19 (inches) - 21 (inches) - 23 (inches) |
Wheels And Breaking System
| Bike front tire | 26 X 1.95 (inches) Specialized Hardrock'R |
| Bike rear tire | Not Available |
| Bike wheel size | 26 (inches) Wheels |
| Brakeset type | Aluminum Levers Linear-pull Brakes |
| Hubs for disc brakes | Q and R Rear: Aluminum Quick Release Front: Specialized Aluminum |
| Rims manufacturer | 36-hole Weinmann 519 |
| Spoke nipples type | Brass Nipples |
| Spoke wheel | 2.0 (millimeters) Straight Gauge Stainless Steel |
Frame and Body Specs
| Frame materials | Double-butted Chromoly |
| Frame type | TIG-welded |
| Handlebar construction | Specialized Aluminum |
| Handlebar extender | Optional |
| Handlebar stem details | Specialized Fast Fit |
| Headset size | 1 1/8 (inches) Steel |
Gearing Specifications
| Bicycle chain | 1/2 X 3/32 (inches) UG |
| Bottom bracket shell width | 68 (millimeters) English |
| Bottom bracket type | Specialized Sealed Cartridge |
| Crankset parts and sizes | 24/34/42 Teeth Specialized Strong Arm Sport |
| Gear shift levers | Grip Shift MRX-170 |
| Rear gear set | 11 - 28 Teeth 7-speed |
Specialized Hardrock Sport FS Fork System Data
| Derailleur (Front) | Bottom-pull and clamp-on 31.8 (millimeters) Shimano AceraX Top-swing |
| Derailleur (Rear) | Shimano Alivio |
| Fork material | Triple-clamp Crown Aluminum and magnesium |
| Fork type | Rock Shox Indy |
Other Specs of Specialized Hardrock Sport FS
| Component group sets | Mountain Mix |
| Pedals details | Resin |
| Rear shock absorber | Not Available |
| Saddle seat | Specialized Softlite |
| Seat post extension | 30.4 (millimeters) Diameter Aluminum Micro-adjust |
Useful links and guides ....
- To know more about this exacte bike, GT provided us with the latest version of its ZuM 4.0 bike manual
- Find All parts, tires and accessories of GT ZuM 4.0 Mountain bike here
- Get your Specialized Hardrock Sport FS manual book version yo know further about this bike
- Saddles, tires And mechanical parts for Specialized Hardrock Sport FS Mountain bike here