Diamondback REACTOR JR. 2000 VS GT MACH 1 EXPERT 2003 specs comparison

Diamondback Reactor Jr.
General InfosModel | Reactor Jr. |
Manufacturer | Diamondback |
Year of production | 2000 |
Current price | Check price Here ==> |
Color choice | -Red |
Sizes | - Junior |
Sizes | - Junior |
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 | Dia-Compe Alloy Linear Pull Rear LeversDia-Compe Alloy Linear Pull Rear Brakes |
Hubs for disc brakes | Alloy |
Rims manufacturer | 32-holeAlex Alloy |
Spoke nipples type | Not Available |
Spoke wheel | Stainless Steel |
Frame and Body Specs
Frame materials | 6061 T6 Aluminum |
Frame type | TIG-welded |
Handlebar construction | Alloy |
Handlebar extender | Optional |
Handlebar stem details | Alloy Ahead Type |
Headset size | 1 (inches) Threadless |
Gearing Specifications
Bicycle chain | Not Available |
Bottom bracket shell width | Not Available |
Bottom bracket type | Diamondback Spindle |
Crankset parts and sizes | 43 TeethForged Alloy |
Gear shift levers | Not Available |
Rear gear set | 1-speed |
Diamondback Reactor Jr. Fork System Data
Derailleur (Front) | Not Available |
Derailleur (Rear) | Not Available |
Fork material | Unicrown CrownChromoly |
Fork type | Diamondback |
Other Specs of Diamondback Reactor Jr.
Component group sets | Not Available |
Pedals details | AluminumPlatform |
Rear shock absorber | Not Available |
Saddle seat | Uni Style |
Seat post extension | Uni Style |

GT Mach 1 Expert
General InfosModel | Mach 1 Expert |
Manufacturer | GT |
Year of production | 2003 |
Current price | Check price Here ==> |
Color choice | - Chrome-Plated- Metallic Silver-Chrom Green |
Sizes | - One |
Wheels And Breaking System
Bike front tire | 20 X 1.95 (inches) Kenda K-Rad |
Bike rear tire | Not Available |
Bike wheel size | 20 (inches) Wheels |
Brakeset type | Tektro 289A Rear LeversTektro 907A U-brake Rear Brakes |
Hubs for disc brakes | Rear: Shimano Coaster Brake NuttedFront: Steel |
Rims manufacturer | 36-holeAlex G303 |
Spoke nipples type | Brass Nipples |
Spoke wheel | 14ga. Straight GaugeSteel |
Frame and Body Specs
Frame materials | Hi-tensile Steel |
Frame type | TIG-welded |
Handlebar construction | GT BMX |
Handlebar extender | Not Available |
Handlebar stem details | Aluminum |
Headset size | Threaded1 (inches) Steel |
Gearing Specifications
Bicycle chain | 1/2 X 1/8 (inches)KMC 410 |
Bottom bracket shell width | American |
Bottom bracket type | Steel |
Crankset parts and sizes | 36 TeethSteel One-piece |
Gear shift levers | Not Available |
Rear gear set | 16 Teeth1-speed |
GT Mach 1 Expert Fork System Data
Derailleur (Front) | Not Available |
Derailleur (Rear) | Not Available |
Fork material | Unicrown CrownHi-tensile Steel |
Fork type | GT |
Other Specs of GT Mach 1 Expert
Component group sets | Not Available |
Pedals details | GT Johnson Design |
Rear shock absorber | Not Available |
Saddle seat | GT BMX |
Seat post extension | 22.2 (millimeters) DiameterChromoly |
Useful links and guides ....
- To know more about this exacte bike, Diamondback provided us with the latest version of its Reactor Jr. bike manual
- Find All parts, tires and accessories of Diamondback Reactor Jr. BMX here
- Get your GT Mach 1 Expert manual book version yo know further about this bike
- Saddles, tires And mechanical parts for GT Mach 1 Expert BMX here