GT SPEED SERIES JR. 1999 VS Diamondback REACTOR PRO 2009 specs comparison
GT Speed Series JR.
General Infos| Model | 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 |
Diamondback Reactor Pro
General Infos| Model | Reactor Pro |
| Manufacturer | Diamondback |
| Year of production | 2009 |
| Current price | Check price Here ==> |
| Color choice | -Red and White |
| Sizes | - 21 TT (inches) |
Wheels And Breaking System
| Bike front tire | Rear: 20 X 1.75 (inches) Kenda Small Block EightFront: 20 X 2.125 (inches) Kenda Small Block Eight |
| Bike rear tire | Not Available |
| Bike wheel size | 20 (inches) Wheels |
| Brakeset type | Tektro Sabre Rear LeversTektro 920 Linear Rear Brakes |
| Hubs for disc brakes | Sealed Aluminum |
| Rims manufacturer | 36-hole Rear: Alienation 440Front: Alienation Deviant |
| Spoke nipples type | Not Available |
| Spoke wheel | 14ga. |
Frame and Body Specs
| Frame materials | 7005 T6 Aluminum |
| Frame type | TIG-welded |
| Handlebar construction | Chromoly 2pc |
| Handlebar extender | Optional |
| Handlebar stem details | DB Reactor |
| Headset size | 1 1/8 (inches) FSA Threadless |
Gearing Specifications
| Bicycle chain | 1/2 X 3/32 (inches)KMC |
| Bottom bracket shell width | Not Available |
| Bottom bracket type | FSA BB30 |
| Crankset parts and sizes | 44 TeethFSA Assault |
| Gear shift levers | Not Available |
| Rear gear set | 16 Teeth1-speed |
Diamondback Reactor Pro Fork System Data
| Derailleur (Front) | Not Available |
| Derailleur (Rear) | Not Available |
| Fork material | Unicrown CrownChromoly |
| Fork type | Not Available |
Other Specs of Diamondback Reactor Pro
| Component group sets | BMX |
| Pedals details | DB Sound Alloy With Replaceable Pins |
| Rear shock absorber | Not Available |
| Saddle seat | DB Race |
| Seat post extension | 27.2 (millimeters) DiameterAlloy Micro Adjust |
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 Reactor Pro manual book version yo know further about this bike
- Saddles, tires And mechanical parts for Diamondback Reactor Pro BMX here