Electra ROCKET STX 21 1997 VS Pyramid RETRO-ALLOY 1999 specs comparison
Electra Rocket STX 21
General Infos| Model | Rocket STX 21 |
| Manufacturer | Electra |
| Year of production | 1997 |
| Current price | Check price Here ==> |
| Color choice |
-Polished |
| Sizes |
- 18.5 (inches) |
| Sizes |
- 18.5 (inches) |
Wheels And Breaking System
| Bike front tire | Rear: 26 X 2.10 (inches) Panaracer Smoke 2 Front: 26 X 2.10 (inches) Panaracer Dart 2 |
| Bike rear tire | Not Available |
| Bike wheel size | 26 (inches) Wheels |
| Brakeset type | Tektro RBP-365A Levers Shimano STX M-System Brakes |
| Hubs for disc brakes | Shimano STX |
| Rims manufacturer | 36-hole Mavic 238 |
| 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 | Aluminum |
| Handlebar extender | Not Available |
| Handlebar stem details | Aluminum |
| Headset size | 1 1/8 (inches) Threadless FSA Orbit UF |
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 | 22/32/42 Teeth Shimano STX |
| Gear shift levers | Grip Shift SRT-400i |
| Rear gear set | 11 - 28 Teeth 7-speed |
Electra Rocket STX 21 Fork System Data
| Derailleur (Front) | Bottom-pull and clamp-on 31.8 (millimeters) Shimano STX Top-swing |
| Derailleur (Rear) | Shimano STX |
| Fork material | Unicrown Crown Aluminum |
| Fork type | Electra |
Other Specs of Electra Rocket STX 21
| Component group sets | Shimano STX |
| Pedals details | Wellgo LU-936 |
| Rear shock absorber | Not Available |
| Saddle seat | Electra |
| Seat post extension | 27.2 (millimeters) Diameter Kalloy Aluminum |
Pyramid Retro-Alloy
General Infos| Model | Retro-Alloy |
| Manufacturer | Pyramid |
| Year of production | 1999 |
| Current price | Check price Here ==> |
| Color choice |
- Blue - Green - Orange - Red - Yellow -Black |
| Sizes |
- 18.5 (inches) - womens 15 (inches) - womens 18 (inches) |
Wheels And Breaking System
| Bike front tire | 26 X 2.125 (inches) Kenda K-80 |
| Bike rear tire | Not Available |
| Bike wheel size | 26 (inches) Wheels |
| Brakeset type | Coaster Rear |
| Hubs for disc brakes | Rear: Kung Ten Coaster Front: Jou Yu JY-433 |
| Rims manufacturer | 36-hole HJC 7X |
| Spoke nipples type | Brass Nipples |
| Spoke wheel | 2.0 (millimeters) Straight Gauge Sha-Dar Stainless Steel |
Frame and Body Specs
| Frame materials | Oversize Hi-tensile Steel |
| Frame type | Welded |
| Handlebar construction | Steel |
| Handlebar extender | Not Available |
| Handlebar stem details | Alloy |
| Headset size | 1 (inches) Steel |
Gearing Specifications
| Bicycle chain | 1/2 X 1/8 (inches) KMC 410 |
| Bottom bracket shell width | American |
| Bottom bracket type | One Piece |
| Crankset parts and sizes | 46 Teeth 1-piece 6 1/2 (inches) |
| Gear shift levers | Not Available |
| Rear gear set | 18 Teeth 1-speed |
Pyramid Retro-Alloy Fork System Data
| Derailleur (Front) | Not Available |
| Derailleur (Rear) | Not Available |
| Fork material | Oversize Unicrown Crown Hi-tensile Steel |
| Fork type | Sun Cruiser |
Other Specs of Pyramid Retro-Alloy
| Component group sets | Not Available |
| Pedals details | Victor VP-805 |
| Rear shock absorber | Not Available |
| Saddle seat | Viscount V-2348-1 De-Luxe Crusier |
| Seat post extension | 25.4 (millimeters) Diameter Chrome Plated Steel |
Useful links and guides ....
- To know more about this exacte bike, Electra provided us with the latest version of its Rocket STX 21 bike manual
- Find All parts, tires and accessories of Electra Rocket STX 21 Cruiser here
- Get your Pyramid Retro-Alloy manual book version yo know further about this bike
- Saddles, tires And mechanical parts for Pyramid Retro-Alloy Cruiser here