Electra ROCKET 7 1998 VS Trek 820 2007 specs comparison
Electra Rocket 7
General Infos| Model | Rocket 7 |
| Manufacturer | Electra |
| Year of production | 1998 |
| Current price | Check price Here ==> |
| Color choice |
-Flat purple grey |
| Sizes |
- 18.5 (inches) |
| Sizes |
- 18.5 (inches) |
Wheels And Breaking System
| Bike front tire | 26 X 1.95 (inches) Maxxis |
| Bike rear tire | Not Available |
| Bike wheel size | 26 (inches) Wheels |
| Brakeset type | Dia-Compe DP-8 Levers Dia-Compe VC-737 Front and Shimano Nexus Roller Brake Rear Brakes |
| Hubs for disc brakes | Q and R Rear: Shimano Nexus Inter 7 Roller Brake Front: Aluminum |
| Rims manufacturer | 36-hole EBC TA-5 Aluminum |
| Spoke nipples type | Brass Nipples |
| Spoke wheel | 2.0 (millimeters) Straight Gauge Stainless Steel |
Frame and Body Specs
| Frame materials | 7000 aluminum c |
| Frame type | TIG-welded |
| Handlebar construction | Kalloy Alloy Riser |
| Handlebar extender | Not Available |
| Handlebar stem details | Kalloy |
| Headset size | 1 1/8 (inches) Threadless YST |
Gearing Specifications
| Bicycle chain | 1/2 X 1/8 (inches) |
| Bottom bracket shell width | 68 (millimeters) English |
| Bottom bracket type | Shimano BB-CT91 |
| Crankset parts and sizes | 44 Teeth Cyclone CPI |
| Gear shift levers | Grip Shift SRT-400 |
| Rear gear set | 22 Teeth 7-speed Internal |
Electra Rocket 7 Fork System Data
| Derailleur (Front) | Not Available |
| Derailleur (Rear) | Not Available |
| Fork material | Triple-clamp Crown Aluminum and chromoly |
| Fork type | RST 281 |
Other Specs of Electra Rocket 7
| Component group sets | Shimano Nexus |
| Pedals details | Wellgo |
| Rear shock absorber | Not Available |
| Saddle seat | EBC Performance |
| Seat post extension | 27.2 (millimeters) Diameter Kalloy Aluminum Micro-adjust |
Trek 820
General Infos| Model | 820 |
| Manufacturer | Trek |
| Year of production | 2007 |
| Current price | Check price Here ==> |
| Color choice |
- Matte Navy and Matte Bluegray -Hot Orange and Metallic Dark Silver |
| Sizes |
- 13 (inches) - 16 (inches) - 18 (inches) - 19.5 (inches) - 21 (inches) |
Wheels And Breaking System
| Bike front tire | 26 X 2.00 (inches) Bontrager Connection Trail |
| Bike rear tire | Not Available |
| Bike wheel size | 26 (inches) Wheels |
| Brakeset type | Shimano EF-50 Levers Tektro V Brakes |
| Hubs for disc brakes | Alloy |
| Rims manufacturer | Matrix 550 |
| Spoke nipples type | Not Available |
| Spoke wheel | Not Available |
Frame and Body Specs
| Frame materials | Hi-tensile Steel and chromoly |
| Frame type | TIG-welded |
| Handlebar construction | Bontrager Approved |
| Handlebar extender | Optional |
| Handlebar stem details | Bontrager Approved |
| Headset size | Aheadset Slimstak |
Gearing Specifications
| Bicycle chain | Not Available |
| Bottom bracket shell width | Not Available |
| Bottom bracket type | Not Available |
| Crankset parts and sizes | 28/38/48 Teeth SR XCC-T208 |
| Gear shift levers | Shimano EF-50 |
| Rear gear set | 13 - 34 Teeth 7-speed |
Trek 820 Fork System Data
| Derailleur (Front) | Shimano C-051 |
| Derailleur (Rear) | Shimano Acera |
| Fork material | Single Crown Aluminum and steel |
| Fork type | 63 (millimeters) Travel RST 191 C7 |
Other Specs of Trek 820
| Component group sets | Shimano Mix |
| Pedals details | Nylon Platform |
| Rear shock absorber | Not Available |
| Saddle seat | Bontrager Sport |
| Seat post extension | Bontrager Approved |
Useful links and guides ....
- To know more about this exacte bike, Electra provided us with the latest version of its Rocket 7 bike manual
- Find All parts, tires and accessories of Electra Rocket 7 Mountain bike here
- Get your Trek 820 manual book version yo know further about this bike
- Saddles, tires And mechanical parts for Trek 820 Mountain bike here