GT Bicycles SPEED SERIES JR. 20 2012 VS Kona MAMA 2000 specs comparison
GT Bicycles Speed Series Jr. 20
General Infos| Model | Speed Series Jr. 20 |
| Manufacturer | GT Bicycles |
| Year of production | 2012 |
| Current price | Check price Here ==> |
| Color choice |
-Silver and Blue |
| Sizes |
- Standard size for all |
| Sizes |
- Standard size for all |
Wheels And Breaking System
| Bike front tire | Tioga Power Block 1-3/8 |
| Bike rear tire | Not Available |
| Bike wheel size | Not Available |
| Brakeset type | Promax MV-201 |
| Hubs for disc brakes | GT Mohawk 28h GT Mohawk 28h |
| Rims manufacturer | Unavailable Wheelset |
| Spoke nipples type | Not Available |
| Spoke wheel | Not Available |
Frame and Body Specs
| Frame materials | Hydroformed Speed Metal Al |
| Frame type | Not Available |
| Handlebar construction | GT Race |
| Handlebar extender | Not Available |
| Handlebar stem details | GT Race |
| Headset size | FSA Integrated Sealed 1 (inches) |
Gearing Specifications
| Bicycle chain | KMC Z610Hk |
| Bottom bracket shell width | Not Available |
| Bottom bracket type | Euro Sealed External Bearing |
| Crankset parts and sizes | GT Race 145 (millimeters) 41t |
| Gear shift levers | Unavailable Shifters |
| Rear gear set | Not Available |
GT Bicycles Speed Series Jr. 20 Fork System Data
| Derailleur (Front) | Unavailable Front Derailleur |
| Derailleur (Rear) | Unavailable Rear Derailleur |
| Fork material | Not Available |
| Fork type | GT Cro-Mo |
Other Specs of GT Bicycles Speed Series Jr. 20
| Component group sets | Not Available |
| Pedals details | GT Mini Plastic |
| Rear shock absorber | Unavailable Rear Shock |
| Saddle seat | GT Uni |
| Seat post extension | GT Uni |
Kona Mama
General Infos| Model | Mama |
| Manufacturer | Kona |
| Year of production | 2000 |
| Current price | Check price Here ==> |
| Color choice |
-Mustard |
| Sizes |
- Medium |
Wheels And Breaking System
| Bike front tire | Rear: 20 X 1.75 (inches) Tioga Factory MX Front: 20 X 2.10 (inches) Tioga Factory MX |
| Bike rear tire | Not Available |
| Bike wheel size | 20 (inches) Wheels |
| Brakeset type | Avid SD-1.0 L Rear Levers Avid 1D-10 Rear Brakes |
| Hubs for disc brakes | King Kong BMX |
| Rims manufacturer | Mavic XY |
| Spoke nipples type | Not Available |
| Spoke wheel | 2.0 (millimeters) Stainless Steel |
Frame and Body Specs
| Frame materials | Aluminum |
| Frame type | TIG-welded |
| Handlebar construction | Steel BMX |
| Handlebar extender | Optional |
| Handlebar stem details | Steel |
| Headset size | Aheadset SX |
Gearing Specifications
| Bicycle chain | KMC |
| Bottom bracket shell width | Not Available |
| Bottom bracket type | Profile Sealed Bearing |
| Crankset parts and sizes | 44 Teeth Profile Racing |
| Gear shift levers | Not Available |
| Rear gear set | 16 Teeth 1-speed |
Kona Mama Fork System Data
| Derailleur (Front) | Not Available |
| Derailleur (Rear) | Not Available |
| Fork material | Unicrown Crown Chromoly |
| Fork type | Kona Race |
Other Specs of Kona Mama
| Component group sets | Not Available |
| Pedals details | Fasten BMX |
| Rear shock absorber | Not Available |
| Saddle seat | SDG BMX |
| Seat post extension | IRD Quad 2 |
Useful links and guides ....
- To know more about this exacte bike, GT Bicycles provided us with the latest version of its Speed Series Jr. 20 bike manual
- Find All parts, tires and accessories of GT Bicycles Speed Series Jr. 20 BMX here
- Get your Kona Mama manual book version yo know further about this bike
- Saddles, tires And mechanical parts for Kona Mama BMX here