GT Bicycles MACH ONE JR. CB 2012 VS Specialized HARDROCK 20 1997 specs comparison
![GT Bicycles Mach One Jr. CB 2012 comparison online with competitors](https://yobicycle.com/images/models/GT-Bicycles-Mach-One-Jr.-CB-2012-specs.jpg)
GT Bicycles Mach One Jr. CB
General InfosModel | Mach One Jr. CB |
Manufacturer | GT Bicycles |
Year of production | 2012 |
Current price | Check price Here ==> |
Color choice |
- Satin White -Satin Blue |
Sizes |
- Standard size for all |
Sizes |
- Standard size for all |
Wheels And Breaking System
Bike front tire | GT Wing 2.1 |
Bike rear tire | Not Available |
Bike wheel size | Not Available |
Brakeset type | Promax V-Brake |
Hubs for disc brakes | Steel KT Coaster 28h |
Rims manufacturer | Unavailable Wheelset |
Spoke nipples type | Not Available |
Spoke wheel | Not Available |
Frame and Body Specs
Frame materials | Hi-Ten |
Frame type | Not Available |
Handlebar construction | Steel |
Handlebar extender | Not Available |
Handlebar stem details | GT Race |
Headset size | Threaded 1 (inches) |
Gearing Specifications
Bicycle chain | KMC Z410 |
Bottom bracket shell width | Not Available |
Bottom bracket type | American BB |
Crankset parts and sizes | Steel 127 (millimeters) 33t |
Gear shift levers | Unavailable Shifters |
Rear gear set | Not Available |
GT Bicycles Mach One Jr. CB Fork System Data
Derailleur (Front) | Unavailable Front Derailleur |
Derailleur (Rear) | Unavailable Rear Derailleur |
Fork material | Not Available |
Fork type | GT Hi-Ten |
Other Specs of GT Bicycles Mach One Jr. CB
Component group sets | Not Available |
Pedals details | GT Mini Plastic |
Rear shock absorber | Unavailable Rear Shock |
Saddle seat | GT Mach 1 Mini Rail |
Seat post extension | Steel 25.4 (millimeters) |
![Specialized Hardrock 20 1997 comparison online with competitors](https://yobicycle.com/images/models/Specialized-Hardrock-20-1997-specs.jpg)
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 Levers Aluminum Cantilever Brakes |
Hubs for disc brakes | Nutted Steel |
Rims manufacturer | 36-hole Aluminum |
Spoke nipples type | Brass Nipples |
Spoke wheel | 2.0 (millimeters) Straight Gauge Steel |
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 Teeth 1-piece Steel |
Gear shift levers | Grip Shift MRX-170 |
Rear gear set | 14 - 28 Teeth 6-speed |
Specialized Hardrock 20 Fork System Data
Derailleur (Front) | Not Available |
Derailleur (Rear) | Shimano Tourney TY-22 |
Fork material | Unicrown Crown Hi-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 Steel Pillar |
Useful links and guides ....
- To know more about this exacte bike, GT Bicycles provided us with the latest version of its Mach One Jr. CB bike manual
- Find All parts, tires and accessories of GT Bicycles Mach One Jr. CB 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