GT MACH ONE JR. 2008 VS Redline MX 20 2012 specs comparison

GT Mach One Jr.
General InfosModel | Mach One Jr. |
Manufacturer | GT |
Year of production | 2008 |
Current price | Check price Here ==> |
Color choice |
-Blue |
Sizes |
- Standard size for everyone |
Sizes |
- Standard size for everyone |
Wheels And Breaking System
Bike front tire | 16 X 2.125 (inches) |
Bike rear tire | Not Available |
Bike wheel size | 16 (inches) Wheels |
Brakeset type | Unavailable Front and Coaster Rear |
Hubs for disc brakes | Rear: Steel Coaster Front: Steel |
Rims manufacturer | 28-hole Alloy |
Spoke nipples type | Brass |
Spoke wheel | 14ga. |
Frame and Body Specs
Frame materials | Not Available |
Frame type | TIG-welded |
Handlebar construction | GT BMX |
Handlebar extender | Optional |
Handlebar stem details | Steel |
Headset size | 1 (inches) Steel |
Gearing Specifications
Bicycle chain | KMC Z-410 |
Bottom bracket shell width | Not Available |
Bottom bracket type | Ball Type Steel |
Crankset parts and sizes | GT Forged Steel 1pc. |
Gear shift levers | Not Available |
Rear gear set | 1-speed |
GT Mach One Jr. Fork System Data
Derailleur (Front) | Not Available |
Derailleur (Rear) | Not Available |
Fork material | Unicrown |
Fork type | GT BMX |
Other Specs of GT Mach One Jr.
Component group sets | BMX |
Pedals details | Resin Jr. BMX Design |
Rear shock absorber | Not Available |
Saddle seat | GT Jr. BMX |
Seat post extension | Steel |

Redline MX 20
General InfosModel | MX 20 |
Manufacturer | Redline |
Year of production | 2012 |
Current price | Check price Here ==> |
Color choice |
- white -grey |
Sizes |
- 20.75 TT (inches) |
Wheels And Breaking System
Bike front tire | 1.75 Tioga Powerblock 1.95 |
Bike rear tire | Not Available |
Bike wheel size | Not Available |
Brakeset type | Tektro 918Al V-Type |
Hubs for disc brakes | Redline Aluminum Redline Aluminum Flip Flop |
Rims manufacturer | Unavailable Wheelset |
Spoke nipples type | Not Available |
Spoke wheel | Not Available |
Frame and Body Specs
Frame materials | 6061 Alloy c |
Frame type | Not Available |
Handlebar construction | Redline Hi-Ten |
Handlebar extender | Not Available |
Handlebar stem details | Redline HollowPoint |
Headset size | VP Threadless 1 1/8 (inches) |
Gearing Specifications
Bicycle chain | KMC Z410 |
Bottom bracket shell width | Not Available |
Bottom bracket type | Sealed |
Crankset parts and sizes | Redline Tubular Chromo 3pc |
Gear shift levers | Unavailable Shifters |
Rear gear set | Not Available |
Redline MX 20 Fork System Data
Derailleur (Front) | Unavailable Front Derailleur |
Derailleur (Rear) | Unavailable Rear Derailleur |
Fork material | Not Available |
Fork type | Redline Pro Chromo and Hi-Ten |
Other Specs of Redline MX 20
Component group sets | Not Available |
Pedals details | Redline Aluminum Platform |
Rear shock absorber | Unavailable Rear Shock |
Saddle seat | Redline Combo Padded |
Seat post extension | Alloy |
Useful links and guides ....
- To know more about this exacte bike, GT provided us with the latest version of its Mach One Jr. bike manual
- Find All parts, tires and accessories of GT Mach One Jr. BMX here
- Get your Redline MX 20 manual book version yo know further about this bike
- Saddles, tires And mechanical parts for Redline MX 20 BMX here