GT ZUM 4.0 2007 VS Rocky Mountain HAMMER RACE 1999 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 |
Rocky Mountain Hammer Race
General Infos| Model | Hammer Race |
| Manufacturer | Rocky Mountain |
| Year of production | 1999 |
| Current price | Check price Here ==> |
| Color choice |
-Speed Blue and Shredded Silver |
| Sizes |
- 14.5 (inches) - 16 (inches) - 17.5 (inches) - 18.5 (inches) - 19.5 (inches) - 21 (inches) |
Wheels And Breaking System
| Bike front tire | 26 X 1.95 (inches) Michelin Wild Gripper Kevlar |
| Bike rear tire | Not Available |
| Bike wheel size | 26 (inches) Wheels |
| Brakeset type | Avid SD-1.9 TL Levers Avid SD-20 Brakes |
| Hubs for disc brakes | Shimano Deore LX |
| Rims manufacturer | 32-hole Sun Rims CR18 |
| Spoke nipples type | Brass Nipples |
| Spoke wheel | 2.0 (millimeters) Straight Gauge DT Champion Stainless Steel |
Frame and Body Specs
| Frame materials | Reynolds 525 |
| Frame type | TIG-welded |
| Handlebar construction | Butted Aluminum |
| Handlebar extender | Optional |
| Handlebar stem details | Forged Alloy |
| Headset size | 1 1/8 (inches) Threadless Ritchey Logic Expert |
Gearing Specifications
| Bicycle chain | 1/2 X 3/32 (inches) Shimano CN-HG72 |
| Bottom bracket shell width | 73 (millimeters) English |
| Bottom bracket type | 110 (millimeters) Spindle Shimano Cartridge |
| Crankset parts and sizes | 22/32/44 Teeth Race Face Turbine LP |
| Gear shift levers | SRAM ESP 9.0 |
| Rear gear set | 11 - 32 Teeth 9-speed |
Rocky Mountain Hammer Race Fork System Data
| Derailleur (Front) | Clamp-on 28.6 (millimeters) Shimano Deore LX Top-swing |
| Derailleur (Rear) | SRAM ESP 9.0 |
| Fork material | Triple-clamp Crown Aluminum |
| Fork type | 2.75 (inches) Travel Marzocchi Bomber Z-4 |
Other Specs of Rocky Mountain Hammer Race
| Component group sets | Mountain Mix |
| Pedals details | RMB Competition XC Clipless |
| Rear shock absorber | Not Available |
| Saddle seat | Selle Italia XO |
| Seat post extension | 26.8 (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 Rocky Mountain Hammer Race manual book version yo know further about this bike
- Saddles, tires And mechanical parts for Rocky Mountain Hammer Race Mountain bike here