GT SPEED SERIES JR 1998 VS Diamondback RM JR 2003 specs comparison
GT Speed Series Jr
General Infos| Model | Speed Series Jr |
| Manufacturer | GT |
| Year of production | 1998 |
| Current price | Check price Here ==> |
| Color choice | -Ball-burnished |
| Sizes | - Junior |
| Sizes | - Junior |
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 | Dia-Compe MX-122 LeversTektro Dual-pivot Caliper Brakes |
| Hubs for disc brakes | GT Mohawk |
| Rims manufacturer | 28-holeWeinmann Mini Zac |
| Spoke nipples type | Alloy Nipples |
| Spoke wheel | 2.0 (millimeters) Straight GaugeStainless Steel |
Frame and Body Specs
| Frame materials | 6061 T6 Aluminum |
| Frame type | TIG-welded |
| Handlebar construction | GT Jr Aluminum |
| Handlebar extender | Not Available |
| Handlebar stem details | GT Mini Piston |
| Headset size | 1 (inches) Threadless Aheadset DX2 |
Gearing Specifications
| Bicycle chain | 1/2 X 1/8 (inches) |
| Bottom bracket shell width | Not Available |
| Bottom bracket type | GT Cartridge |
| Crankset parts and sizes | GT 3-piece Jr Aluminum |
| Gear shift levers | Not Available |
| Rear gear set | 1-speed |
GT Speed Series Jr Fork System Data
| Derailleur (Front) | Not Available |
| Derailleur (Rear) | Not Available |
| Fork material | Unicrown CrownChromoly |
| Fork type | GT |
Other Specs of GT Speed Series Jr
| Component group sets | Not Available |
| Pedals details | Victor VP-103 Clipless |
| Rear shock absorber | Not Available |
| Saddle seat | GT |
| Seat post extension | GT Aluminum |
Diamondback RM JR
General Infos| Model | RM JR |
| Manufacturer | Diamondback |
| Year of production | 2003 |
| Current price | Check price Here ==> |
| Color choice | -Fast Black and Silver and Black |
| Sizes | - Race |
Wheels And Breaking System
| Bike front tire | 20 X 1 3/8 (inches) Comp III Style |
| Bike rear tire | Not Available |
| Bike wheel size | 20 (inches) Wheels |
| Brakeset type | Promax Alloy Rear LeversProMax Linear-pull Rear Brakes |
| Hubs for disc brakes | Aluminum |
| Rims manufacturer | 36-holeAlex AL-DA22 |
| Spoke nipples type | Brass Nipples |
| Spoke wheel | 14ga. Straight GaugeStainless Steel |
Frame and Body Specs
| Frame materials | 7005 aluminum c |
| Frame type | TIG-welded |
| Handlebar construction | Chromoly BMX |
| Handlebar extender | Not Available |
| Handlebar stem details | Aluminum |
| Headset size | 1 (inches) Threadless FSA |
Gearing Specifications
| Bicycle chain | 1/2 X 3/32 (inches)KMC Z610HX |
| Bottom bracket shell width | 68 (millimeters) English |
| Bottom bracket type | YST BB-621 |
| Crankset parts and sizes | 42 Teeth1-piece 165 (millimeters) |
| Gear shift levers | Not Available |
| Rear gear set | 16 Teeth1-speed |
Diamondback RM JR Fork System Data
| Derailleur (Front) | Not Available |
| Derailleur (Rear) | Not Available |
| Fork material | Unicrown CrownChromoly |
| Fork type | Not Available |
Other Specs of Diamondback RM JR
| Component group sets | Not Available |
| Pedals details | Aluminum Platform |
| Rear shock absorber | Not Available |
| Saddle seat | Diamondback Uni-style |
| Seat post extension | 22.2 (millimeters) DiameterAluminum |
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 Diamondback RM JR manual book version yo know further about this bike
- Saddles, tires And mechanical parts for Diamondback RM JR BMX here