GT ZUM 3.0 2007 VS Electra BOMBER 21 1998 specs comparison
GT ZuM 3.0
General Infos| Model | ZuM 3.0 |
| 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 | Avid FR-5 Levers Shimano Cold Forged Brakes |
| Hubs for disc brakes | Shimano |
| Rims manufacturer | Alex DC-19 |
| Spoke nipples type | Alloy |
| 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 | Shimano |
| Bottom bracket shell width | Not Available |
| Bottom bracket type | Truvativ Sealed Cartridge |
| Crankset parts and sizes | 26/36/48 Teeth Truvativ 5-D |
| Gear shift levers | Shimano Deore |
| Rear gear set | 11 - 34 Teeth 9-speed |
GT ZuM 3.0 Fork System Data
| Derailleur (Front) | Shimano Alivio |
| Derailleur (Rear) | Shimano Deore |
| Fork material | Unicrown Crown Aluminum and magnesium |
| Fork type | 60 (millimeters) Travel SR NRX-4500 |
Other Specs of GT ZuM 3.0
| Component group sets | Mountain Mix |
| Pedals details | Stainless Steel Cage Lo Profile Pedal Alloy Body |
| Rear shock absorber | Not Available |
| Saddle seat | WTB Speed V |
| Seat post extension | GT Aluminum 6061 |
Electra Bomber 21
General Infos| Model | Bomber 21 |
| Manufacturer | Electra |
| Year of production | 1998 |
| Current price | Check price Here ==> |
| Color choice |
-Electric red |
| Sizes |
- 18.5 (inches) |
Wheels And Breaking System
| Bike front tire | 26 X 2.10 (inches) EBC All Terrain |
| Bike rear tire | Not Available |
| Bike wheel size | 26 (inches) Wheels |
| Brakeset type | Tektro RBP-375A Levers Tektro 823 Linear-pull Brakes |
| Hubs for disc brakes | Shimano AceraX |
| Rims manufacturer | 36-hole EBC TA-8 Aluminum |
| Spoke nipples type | Brass Nipples |
| Spoke wheel | 2.0 (millimeters) Straight Gauge Stainless Steel |
Frame and Body Specs
| Frame materials | 4130 Chromoly Main Triangle and hi-tensile Steel Rear Stays |
| Frame type | TIG-welded |
| Handlebar construction | Kalloy Alloy Riser |
| Handlebar extender | Not Available |
| Handlebar stem details | Kalloy Aluminum |
| Headset size | 1 (inches) Threadless YST |
Gearing Specifications
| Bicycle chain | 1/2 X 3/32 (inches) |
| Bottom bracket shell width | 68 (millimeters) English |
| Bottom bracket type | Shimano BB-LP26 |
| Crankset parts and sizes | 24/34/42 Teeth Shimano Alivio |
| Gear shift levers | Shimano STX RapidFire SL |
| Rear gear set | 11 - 30 Teeth 7-speed |
Electra Bomber 21 Fork System Data
| Derailleur (Front) | Top-pull Shimano AceraX Top-swing |
| Derailleur (Rear) | Shimano Alivio |
| Fork material | Triple-clamp Crown Aluminum and chromoly |
| Fork type | RST 280 |
Other Specs of Electra Bomber 21
| Component group sets | Shimano Alivio and AceraX |
| Pedals details | Wellgo Resin and aluminum |
| Rear shock absorber | Not Available |
| Saddle seat | EBC Performance |
| Seat post extension | 26.8 (millimeters) Diameter Kalloy Aluminum Micro-adjust |
Useful links and guides ....
- To know more about this exacte bike, GT provided us with the latest version of its ZuM 3.0 bike manual
- Find All parts, tires and accessories of GT ZuM 3.0 Mountain bike here
- Get your Electra Bomber 21 manual book version yo know further about this bike
- Saddles, tires And mechanical parts for Electra Bomber 21 Mountain bike here