GT Bicycles SPEED SERIES JR. 20 2012 VS Premium DUO 2010 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 |
Premium Duo
General Infos| Model | Duo |
| Manufacturer | Premium |
| Year of production | 2010 |
| Current price | Check price Here ==> |
| Color choice |
- Gloss Bronze -SG Black |
| Sizes |
- 20.5TT (inches) - 21TT (inches) |
Wheels And Breaking System
| Bike front tire | Rear: 20 X 2.00 (inches) Haro Premuim Street Front: 20 X 2.25 (inches) Haro Premium Street |
| Bike rear tire | Not Available |
| Bike wheel size | 20 (inches) Wheels |
| Brakeset type | Unavailable Rear Levers Unavailable Rear Brakes |
| Hubs for disc brakes | Rear: Alloy Sealed Cassette 14 (millimeters) Axle Front: Alloy Sealed 3/8 (inches) |
| Rims manufacturer | 36-hole Rear: Alienation Black Sheep DW Front: Alienation PBR |
| Spoke nipples type | Not Available |
| Spoke wheel | Not Available |
Frame and Body Specs
| Frame materials | Chromoly |
| Frame type | TIG-welded |
| Handlebar construction | Premium CrMo 8 (inches) |
| Handlebar extender | Optional |
| Handlebar stem details | Not Available |
| Headset size | 1 1/8 (inches) Threadless Integrated |
Gearing Specifications
| Bicycle chain | Not Available |
| Bottom bracket shell width | Not Available |
| Bottom bracket type | Mid BB Sealed Bearings |
| Crankset parts and sizes | 25 Teeth Haro 8-Spline CrMO |
| Gear shift levers | Not Available |
| Rear gear set | 9 Teeth 1-speed |
Premium Duo Fork System Data
| Derailleur (Front) | Not Available |
| Derailleur (Rear) | Not Available |
| Fork material | Unicrown Crown Chromoly |
| Fork type | Haro |
Other Specs of Premium Duo
| Component group sets | BMX |
| Pedals details | Odyssey Plastic |
| Rear shock absorber | Not Available |
| Saddle seat | Premium Slim Pivotal |
| Seat post extension | Pivotal |
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 Premium Duo manual book version yo know further about this bike
- Saddles, tires And mechanical parts for Premium Duo BMX here