GT Mach One Jr. 2009 Technical specs and features
| Brand | GT |
| Model | Mach One Jr. |
| First production | 2009 |
| Bike category | BMX |
| Bike sub-category | BMX |
| Bike Pricing | Check price Here ==> |
| Parts And Accessories | GT Mach One Jr. Parts |
| Available Sizes | - Not available |
Wheels And Breaking System
| Bike front tire | 16 X 2.125 (inches) GT Wing Design |
| Bike rear tire | Not Available |
| Bike wheel size | 16 (inches) Wheels |
| Brakeset type | Coaster Brake Rear |
| Hubs for disc brakes | Rear: Coaster Brake Front: Steel |
| Rims manufacturer | 28-hole Alloy |
| Spoke nipples type | Brass |
| Spoke wheel | 14ga. |
Frame and Body Specifications
| Frame materials | Not Available |
| Frame type | TIG-welded |
| Handlebar construction | GT BMX Hi-ten |
| Handlebar extender | Optional |
| Handlebar stem details | Steel |
| Headset size | 1 (inches) Steel |
Gearing Specs
| Bicycle chain | KMC Z410 |
| Bottom bracket shell width | Not Available |
| Bottom bracket type | Steel |
| Crankset parts and sizes | 32 Teeth Forged One-piece |
| Gear shift levers | Not Available |
| Rear gear set | 16 Teeth 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 |
| Available colors | - Black |
| Weight | Unspecified |
| Pedals details | Jr Resin Platform |
| Rear shock absorber | Not Available |
| Saddle seat | GT Jr. BMX |
| Seat post extension | 25.4 (millimeters) Diameter Steel |
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GT Mach One Jr. bike review
GT produced the Mach One Jr. bike in 2009 and can be classified as a BMX bicycle, this exact model costs in american market arround $169.99.
GT BMX Mach One Jr. can be found in one single color which is Black.
This bike is equiped with 16 x 2.125" GT Wing design tires and 14ga. spoke wheel while the rims are manufactured by Alloy, 28-hole. GT equiped this exact model with Coaster brake rear braking system and Front: steel, Rear: Coaster Brake hubs.
GT BMX hi-ten high strength material is used on the handlebar of this Mach One Jr. to ensure the perfect handling while the stems are made of Steel.
For the smoothest biking experience Forged one-piece, 32 teeth is used on this bicycle linked to KMC Z410 chain that is easily replaceable as stated by GT.