Electra BOMBER 21 1998 VS Specialized HARDROCK SPORT DISC 2005 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 |
Specialized Hardrock Sport Disc
General Infos| Model | Hardrock Sport Disc |
| Manufacturer | Specialized |
| Year of production | 2005 |
| Current price | Check price Here ==> |
| Color choice |
- Green - Silver -Blue |
| Sizes |
- Extra small - Small - Medium - Large - Extra large |
Wheels And Breaking System
| Bike front tire | 26 X 2.20 (inches) Specialized Enduro Sport |
| Bike rear tire | Not Available |
| Bike wheel size | 26 (inches) Wheels |
| Brakeset type | Shimano Altus Levers Tektro IO Disc Brakes |
| Hubs for disc brakes | Joytech QR |
| Rims manufacturer | 36-hole Alex DH-20 |
| Spoke nipples type | Brass Nipples |
| Spoke wheel | 14ga. Straight Gauge Stainless Steel |
Frame and Body Specs
| Frame materials | A1 Premium Aluminum |
| Frame type | TIG-welded |
| Handlebar construction | Aluminum |
| Handlebar extender | Not Available |
| Handlebar stem details | Specialized Mobius |
| Headset size | 1 1/8 (inches) Threadless Sealed Cartridge |
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 |
| Crankset parts and sizes | 22/32/42 Teeth TruVativ X-Flow |
| Gear shift levers | Shimano Altus |
| Rear gear set | 11 - 32 Teeth 8-speed |
Specialized Hardrock Sport Disc Fork System Data
| Derailleur (Front) | Bottom-pull and clamp-on 31.8 (millimeters) Shimano Acera |
| Derailleur (Rear) | Shimano Acera |
| Fork material | Single Crown Aluminum and magnesium |
| Fork type | 100 (millimeters) RST Gila Plus |
Other Specs of Specialized Hardrock Sport Disc
| Component group sets | Mountain Mix |
| Pedals details | Steel Cage |
| Rear shock absorber | Not Available |
| Saddle seat | Specialized BG Sport ATB |
| Seat post extension | 30.9 (millimeters) Diameter Aluminum Micro-adjust |
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 Specialized Hardrock Sport Disc manual book version yo know further about this bike
- Saddles, tires And mechanical parts for Specialized Hardrock Sport Disc Mountain bike here