GT MACH ONE JUNIOR 2011 VS Jamis BOSSY 20 1999 specs comparison
GT Mach One Junior
General Infos| Model | Mach One Junior |
| Manufacturer | GT |
| Year of production | 2011 |
| Current price | Check price Here ==> |
| Color choice |
- red -Black |
| Sizes |
- Not 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 | Unavailable Front and coast 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 Specs
| Frame materials | Hi Ten |
| Frame type | Steel |
| Handlebar construction | GT BMX |
| Handlebar extender | Optional |
| Handlebar stem details | 4-bolt Alloy and Steel Quill |
| Headset size | 1 (inches) Steel |
Gearing Specifications
| Bicycle chain | KMC Z410 |
| Bottom bracket shell width | Not Available |
| Bottom bracket type | Steel |
| Crankset parts and sizes | 32T Teeth Forged 1 Piece |
| Gear shift levers | Not Available |
| Rear gear set | 16 teeth c |
GT Mach One Junior Fork System Data
| Derailleur (Front) | Not Available |
| Derailleur (Rear) | Not Available |
| Fork material | Not Available |
| Fork type | GT BMX |
Other Specs of GT Mach One Junior
| Component group sets | BMX Mix |
| Pedals details | Resin Jr. BMX Design |
| Rear shock absorber | Not Available |
| Saddle seat | GT Jr. BMX |
| Seat post extension | 25.4 (millimeters) Diameter Steel |
Jamis Bossy 20
General Infos| Model | Bossy 20 |
| Manufacturer | Jamis |
| Year of production | 1999 |
| Current price | Check price Here ==> |
| Color choice |
- Pearl Aqua -Grape Purple |
| Sizes |
- Not available |
Wheels And Breaking System
| Bike front tire | 20 X 2.125 (inches) CST C-640 |
| Bike rear tire | Not Available |
| Bike wheel size | 20 (inches) Wheels |
| Brakeset type | Coaster Rear |
| Hubs for disc brakes | Rear: Coaster Brake Nutted Front: Steel |
| Rims manufacturer | 36-hole Weinmann 4019 |
| Spoke nipples type | Brass Nipples |
| Spoke wheel | 2.0 (millimeters) Straight Gauge Stainless Steel |
Frame and Body Specs
| Frame materials | Hi-tensile Steel |
| Frame type | TIG-welded |
| Handlebar construction | Jamis Cruiser |
| Handlebar extender | Not Available |
| Handlebar stem details | Alloy 4 Bolt |
| Headset size | 1 (inches) Steel |
Gearing Specifications
| Bicycle chain | 1/2 X 1/8 (inches) KMC 410 |
| Bottom bracket shell width | American |
| Bottom bracket type | One Piece |
| Crankset parts and sizes | 36 Teeth 1-piece 5 1/2 (inches) |
| Gear shift levers | Not Available |
| Rear gear set | 18 Teeth 1-speed |
Jamis Bossy 20 Fork System Data
| Derailleur (Front) | Not Available |
| Derailleur (Rear) | Not Available |
| Fork material | Unicrown Crown Hi-tensile Steel |
| Fork type | Not Available |
Other Specs of Jamis Bossy 20
| Component group sets | Juvenile Mix |
| Pedals details | Union |
| Rear shock absorber | Not Available |
| Saddle seat | Jamis Cruiser |
| Seat post extension | 25.4 (millimeters) Diameter Aluminum Pillar |
Useful links and guides ....
- To know more about this exacte bike, GT provided us with the latest version of its Mach One Junior bike manual
- Find All parts, tires and accessories of GT Mach One Junior Youth here
- Get your Jamis Bossy 20 manual book version yo know further about this bike
- Saddles, tires And mechanical parts for Jamis Bossy 20 Youth here