Electra TOWNIE 7D BOYS 2009 VS Specialized HARDROCK 20 1997 specs comparison

Electra Townie 7D Boys
General InfosModel | Townie 7D Boys |
Manufacturer | Electra |
Year of production | 2009 |
Current price | Check price Here ==> |
Color choice | -Black Stencil |
Sizes | - Standard size for everyone |
Sizes | - Standard size for everyone |
Wheels And Breaking System
Bike front tire | 20 X 2.125 (inches) Semi-slick |
Bike rear tire | Not Available |
Bike wheel size | 20 (inches) Wheels |
Brakeset type | Alloy LeversLinear Pull Brakes |
Hubs for disc brakes | Alloy |
Rims manufacturer | Alloy |
Spoke nipples type | Not Available |
Spoke wheel | Stainless |
Frame and Body Specs
Frame materials | 6061-T6 Aluminum |
Frame type | TIG-welded |
Handlebar construction | Not Available |
Handlebar extender | Optional |
Handlebar stem details | Alloy |
Headset size | 1 (inches) Threaded |
Gearing Specifications
Bicycle chain | Not Available |
Bottom bracket shell width | Not Available |
Bottom bracket type | Sealed Cartridge |
Crankset parts and sizes | Alloy |
Gear shift levers | Shimano Revo |
Rear gear set | 7-speed |
Electra Townie 7D Boys Fork System Data
Derailleur (Front) | Not Available |
Derailleur (Rear) | Shimano TX31 |
Fork material | Unicrown CrownSteel |
Fork type | Not Available |
Other Specs of Electra Townie 7D Boys
Component group sets | Cruiser Mix |
Pedals details | Not Available |
Rear shock absorber | Not Available |
Saddle seat | Junior Cruiser |
Seat post extension | Alloy Pillar |

Specialized Hardrock 20
General InfosModel | Hardrock 20 |
Manufacturer | Specialized |
Year of production | 1997 |
Current price | Check price Here ==> |
Color choice | - pink-Black |
Sizes | - Boys - girls |
Wheels And Breaking System
Bike front tire | 20 X 1.80 (inches) Specialized Ground Control |
Bike rear tire | Not Available |
Bike wheel size | 20 (inches) Wheels |
Brakeset type | Dia-Compe PC-1N Junior LeversAluminum Cantilever Brakes |
Hubs for disc brakes | NuttedSteel |
Rims manufacturer | 36-holeAluminum |
Spoke nipples type | Brass Nipples |
Spoke wheel | 2.0 (millimeters) Straight GaugeSteel |
Frame and Body Specs
Frame materials | SBC DirectDrive |
Frame type | TIG-welded |
Handlebar construction | Steel |
Handlebar extender | Not Available |
Handlebar stem details | Steel |
Headset size | 1 (inches) |
Gearing Specifications
Bicycle chain | 1/2 X 3/32 (inches) |
Bottom bracket shell width | American 24tpi |
Bottom bracket type | One Piece |
Crankset parts and sizes | 40 Teeth1-piece Steel |
Gear shift levers | Grip Shift MRX-170 |
Rear gear set | 14 - 28 Teeth6-speed |
Specialized Hardrock 20 Fork System Data
Derailleur (Front) | Not Available |
Derailleur (Rear) | Shimano Tourney TY-22 |
Fork material | Unicrown CrownHi-tensile Steel |
Fork type | SBC |
Other Specs of Specialized Hardrock 20
Component group sets | Not Available |
Pedals details | Resin |
Rear shock absorber | Not Available |
Saddle seat | SBC Mini |
Seat post extension | 26.2 (millimeters) Diameter SteelPillar |
Useful links and guides ....
- To know more about this exacte bike, Electra provided us with the latest version of its Townie 7D Boys bike manual
- Find All parts, tires and accessories of Electra Townie 7D Boys Youth here
- Get your Specialized Hardrock 20 manual book version yo know further about this bike
- Saddles, tires And mechanical parts for Specialized Hardrock 20 Youth here