Electra BOMBER 21 1998 VS Trek 4900 DISC 2003 specs comparison
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) |
| 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 |
Trek 4900 Disc
General Infos| Model | 4900 Disc |
| Manufacturer | Trek |
| Year of production | 2003 |
| Current price | Check price Here ==> |
| Color choice |
- Metallic Silver and Navy -Metallic Red |
| Sizes |
- 15.5 (inches) - 17.5 (inches) - 19.5 (inches) - 21.5 (inches) |
Wheels And Breaking System
| Bike front tire | 26 X 1.95 (inches) Bontrager Jones AC |
| Bike rear tire | Not Available |
| Bike wheel size | 26 (inches) Wheels |
| Brakeset type | Hayes HML Mechanical Disc Levers Hayes Mechanical Disc Brakes |
| Hubs for disc brakes | Q and R Rear: Shimano Front: Aluminum |
| Rims manufacturer | 32-hole Bontrager Corvair |
| Spoke nipples type | Brass Nipples |
| Spoke wheel | 14ga. Straight Gauge Stainless Steel |
Frame and Body Specs
| Frame materials | Aluminum |
| Frame type | TIG-welded |
| Handlebar construction | Bontrager Crowbar Sport |
| Handlebar extender | Optional |
| Handlebar stem details | Bontrager Sport |
| Headset size | 1 1/8 (inches) Threadless Aheadset |
Gearing Specifications
| Bicycle chain | 1/2 X 3/32 (inches) |
| Bottom bracket shell width | Not Available |
| Bottom bracket type | Not Available |
| Crankset parts and sizes | 22/32/44 Teeth Shimano M340-8 |
| Gear shift levers | Shimano Alivio |
| Rear gear set | 11 - 32 Teeth 9-speed |
Trek 4900 Disc Fork System Data
| Derailleur (Front) | Shimano Alivio |
| Derailleur (Rear) | Shimano Deore SGS |
| Fork material | Single Crown Aluminum and magnesium |
| Fork type | 80 (millimeters) Travel Rock Shox Pilot C |
Other Specs of Trek 4900 Disc
| Component group sets | Mountain Mix |
| Pedals details | Aluminum Cage |
| Rear shock absorber | Not Available |
| Saddle seat | Trek ATB |
| Seat post extension | Bontrager Sport |
Useful links and guides ....
- To know more about this exacte bike, Electra provided us with the latest version of its Bomber 21 bike manual
- Find All parts, tires and accessories of Electra Bomber 21 Mountain bike here
- Get your Trek 4900 Disc manual book version yo know further about this bike
- Saddles, tires And mechanical parts for Trek 4900 Disc Mountain bike here