GT Mach 1 Jr. 2004 Technical specs and features
| Brand | GT |
| Model | Mach 1 Jr. |
| First production | 2004 |
| Bike category | BMX |
| Bike sub-category | BMX |
| Bike Pricing | Check price Here ==> |
| Parts And Accessories | GT Mach 1 Jr. Parts |
| Available Sizes | - Junior |
Wheels And Breaking System
| Bike front tire | 16 X 2.125 (inches) BMX Knobby |
| Bike rear tire | Not Available |
| Bike wheel size | 16 (inches) Wheels |
| Brakeset type | Coaster Brake Rear |
| Hubs for disc brakes | Rear: Steel Coaster Brake Nutted Front: Steel |
| Rims manufacturer | 28-hole Steel |
| Spoke nipples type | Brass Nipples |
| Spoke wheel | 14ga. Straight Gauge Steel |
Frame and Body Specifications
| Frame materials | Hi-tensile Steel |
| Frame type | TIG-welded |
| Handlebar construction | GT BMX |
| Handlebar extender | Not Available |
| Handlebar stem details | Aluminum |
| Headset size | Threaded 1 (inches) Steel |
Gearing Specs
| Bicycle chain | 1/2 X 1/8 (inches) KMC Z410 |
| Bottom bracket shell width | American |
| Bottom bracket type | Not Available |
| Crankset parts and sizes | 36 Teeth Steel One-piece |
| Gear shift levers | Not Available |
| Rear gear set | 16 Teeth 1-speed |
GT Mach 1 Jr. Fork System Data
| Derailleur (Front) | Not Available |
| Derailleur (Rear) | Not Available |
| Fork material | Unicrown Crown Hi-tensile Steel |
| Fork type | GT |
Other Specs of GT Mach 1 Jr.
| Component group sets | Not Available |
| Available colors | - Blue |
| Weight | Not Available |
| Pedals details | BMX |
| Rear shock absorber | Not Available |
| Saddle seat | GT Jr. BMX |
| Seat post extension | 22.2 (millimeters) Diameter Chromoly |
GT Mach 1 Jr. picture
Mach 1 Jr. bike comparison
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GT Mach 1 Jr. bike review
GT produced the Mach 1 Jr. bike in 2004 and can be classified as a BMX bicycle, this exact model costs in american market arround $119.99.
GT BMX Mach 1 Jr. can be found in one single color which is Blue.
This bike is equiped with 16 x 2.125" BMX knobby tires and Steel spoke wheel while the rims are manufactured by Steel, 28-hole. GT equiped this exact model with Coaster brake rear braking system and Front: steel, nutted, Rear: steel, coaster brake hubs.
To guarantee the comfiest ride GT used Hi-tensile steel material for the frame. GT BMX high strength material is used on the handlebar of this Mach 1 Jr. to ensure the perfect handling while the stems are made of Aluminum.
For the smoothest biking experience Steel one-piece, 36 teeth is used on this bicycle linked to KMC Z410 chain that is easily replaceable as stated by GT.