Diamondback RM JR 2003 VS GT MACH ONE JR. 2008 specs comparison
Diamondback RM JR
General Infos| Model | RM JR |
| Manufacturer | Diamondback |
| Year of production | 2003 |
| Current price | Check price Here ==> |
| Color choice |
-Fast Black and Silver and Black |
| Sizes |
- Race |
| Sizes |
- Race |
Wheels And Breaking System
| Bike front tire | 20 X 1 3/8 (inches) Comp III Style |
| Bike rear tire | Not Available |
| Bike wheel size | 20 (inches) Wheels |
| Brakeset type | Promax Alloy Rear Levers ProMax Linear-pull Rear Brakes |
| Hubs for disc brakes | Aluminum |
| Rims manufacturer | 36-hole Alex AL-DA22 |
| Spoke nipples type | Brass Nipples |
| Spoke wheel | 14ga. Straight Gauge Stainless Steel |
Frame and Body Specs
| Frame materials | 7005 aluminum c |
| Frame type | TIG-welded |
| Handlebar construction | Chromoly BMX |
| Handlebar extender | Not Available |
| Handlebar stem details | Aluminum |
| Headset size | 1 (inches) Threadless FSA |
Gearing Specifications
| Bicycle chain | 1/2 X 3/32 (inches) KMC Z610HX |
| Bottom bracket shell width | 68 (millimeters) English |
| Bottom bracket type | YST BB-621 |
| Crankset parts and sizes | 42 Teeth 1-piece 165 (millimeters) |
| Gear shift levers | Not Available |
| Rear gear set | 16 Teeth 1-speed |
Diamondback RM JR Fork System Data
| Derailleur (Front) | Not Available |
| Derailleur (Rear) | Not Available |
| Fork material | Unicrown Crown Chromoly |
| Fork type | Not Available |
Other Specs of Diamondback RM JR
| Component group sets | Not Available |
| Pedals details | Aluminum Platform |
| Rear shock absorber | Not Available |
| Saddle seat | Diamondback Uni-style |
| Seat post extension | 22.2 (millimeters) Diameter Aluminum |
GT Mach One Jr.
General Infos| Model | Mach One Jr. |
| Manufacturer | GT |
| Year of production | 2008 |
| Current price | Check price Here ==> |
| Color choice |
-Blue |
| 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 |
Useful links and guides ....
- To know more about this exacte bike, Diamondback provided us with the latest version of its RM JR bike manual
- Find All parts, tires and accessories of Diamondback RM JR BMX here
- Get your GT Mach One Jr. manual book version yo know further about this bike
- Saddles, tires And mechanical parts for GT Mach One Jr. BMX here