GT SPEED SERIES JR. 1999 VS Redline PROLINE JUNIOR 2005 specs comparison
GT Speed Series JR.
General InfosModel | Speed Series JR. |
Manufacturer | GT |
Year of production | 1999 |
Current price | Check price Here ==> |
Color choice | -Ball-Burnished |
Sizes | - Mini |
Sizes | - Mini |
Wheels And Breaking System
Bike front tire | 20 X 1 1/8 (inches) GT AA Pro |
Bike rear tire | Not Available |
Bike wheel size | 20 (inches) Wheels |
Brakeset type | Tektro Alloy Linear-pull Rear LeversTektro Linear-pull Rear Brakes |
Hubs for disc brakes | GT Mohawk |
Rims manufacturer | 28-holeWeinmann Mini Zac |
Spoke nipples type | Brass Nipples |
Spoke wheel | 1.8 (millimeters) Straight GaugeWheelsmith Stainless Steel |
Frame and Body Specs
Frame materials | 6061 T6 Aluminum |
Frame type | Welded |
Handlebar construction | GT Jr Aluminum |
Handlebar extender | Not Available |
Handlebar stem details | GT Mini Piston |
Headset size | 1 (inches) Threadless Aheadset AL |
Gearing Specifications
Bicycle chain | 1/2 X 1/8 (inches) |
Bottom bracket shell width | Not Available |
Bottom bracket type | Cartridge |
Crankset parts and sizes | 42 TeethGT 3-piece Aluminum |
Gear shift levers | Not Available |
Rear gear set | 16 Teeth1-speed |
GT Speed Series JR. Fork System Data
Derailleur (Front) | Not Available |
Derailleur (Rear) | Not Available |
Fork material | Unicrown CrownReynolds 531 |
Fork type | GT |
Other Specs of GT Speed Series JR.
Component group sets | Not Available |
Pedals details | Victor VP-104 Clipless |
Rear shock absorber | Not Available |
Saddle seat | Uni Mini |
Seat post extension | Aluminum |

Redline Proline Junior
General InfosModel | Proline Junior |
Manufacturer | Redline |
Year of production | 2005 |
Current price | Check price Here ==> |
Color choice | - Red-Black |
Sizes | - Not available |
Wheels And Breaking System
Bike front tire | 20 X 1-3/8 (inches) Tioga Comp III |
Bike rear tire | Not Available |
Bike wheel size | 20 (inches) Wheels |
Brakeset type | ProMax Linear-pull Rear |
Hubs for disc brakes | Rear: Redline Aluminum CassetteFront: Redline Aluminum |
Rims manufacturer | 32-holeSun Rims ICI-1 |
Spoke nipples type | Brass Nipples |
Spoke wheel | 14ga. Straight GaugeSteel |
Frame and Body Specs
Frame materials | 6061 T6 Aluminum |
Frame type | TIG-welded |
Handlebar construction | Redline Alloy Junior |
Handlebar extender | Not Available |
Handlebar stem details | Proline Aluminum Mini |
Headset size | 1 (inches) Threadless VP Steel |
Gearing Specifications
Bicycle chain | 1/2 X 3/32 (inches)KMC Z430 |
Bottom bracket shell width | 68 (millimeters) English |
Bottom bracket type | VP Euro |
Crankset parts and sizes | 34 TeethRPM Aluminum |
Gear shift levers | Not Available |
Rear gear set | 14 Teeth1-speed |
Redline Proline Junior Fork System Data
Derailleur (Front) | Not Available |
Derailleur (Rear) | Not Available |
Fork material | Unicrown CrownChromoly |
Fork type | Redline |
Other Specs of Redline Proline Junior
Component group sets | Not Available |
Pedals details | Wellgo Aluminum Mini |
Rear shock absorber | Not Available |
Saddle seat | Redline Padded Mini |
Seat post extension | 13/16 (inches) Diameter |
Useful links and guides ....
- To know more about this exacte bike, GT provided us with the latest version of its Speed Series JR. bike manual
- Find All parts, tires and accessories of GT Speed Series JR. BMX here
- Get your Redline Proline Junior manual book version yo know further about this bike
- Saddles, tires And mechanical parts for Redline Proline Junior BMX here