Diamondback RM JR 2003 VS GT MACH 1 PRO 2004 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 1 Pro
General Infos| Model | Mach 1 Pro |
| Manufacturer | GT |
| Year of production | 2004 |
| Current price | Check price Here ==> |
| Color choice |
- Chrome-Plated -Blue |
| Sizes |
- One |
Wheels And Breaking System
| Bike front tire | Rear: 20 X 1.75 (inches) GT Brody Knobs Front: 20 X 2.125 (inches) GT Brody Knobs |
| Bike rear tire | Not Available |
| Bike wheel size | 20 (inches) Wheels |
| Brakeset type | Tektro 289A Rear Levers Tektro 907A U-brake Rear Brakes |
| Hubs for disc brakes | GT Mohawk |
| Rims manufacturer | 36-hole Alex G303 |
| Spoke nipples type | Brass Nipples |
| Spoke wheel | 14ga. Straight Gauge Steel |
Frame and Body Specs
| Frame materials | Hi-tensile Steel |
| Frame type | TIG-welded |
| Handlebar construction | GT BMX |
| Handlebar extender | Not Available |
| Handlebar stem details | GT Piston |
| Headset size | 1 1/8 (inches) Threadless Victor VP-A74F |
Gearing Specifications
| Bicycle chain | 1/2 X 1/8 (inches) KMC 410 |
| Bottom bracket shell width | American |
| Bottom bracket type | Steel |
| Crankset parts and sizes | 43 Teeth Steel One-piece |
| Gear shift levers | Not Available |
| Rear gear set | 16 Teeth 1-speed |
GT Mach 1 Pro Fork System Data
| Derailleur (Front) | Not Available |
| Derailleur (Rear) | Not Available |
| Fork material | Unicrown Crown Chromoly Steerer |
| Fork type | GT |
Other Specs of GT Mach 1 Pro
| Component group sets | Not Available |
| Pedals details | GT Johnson Design |
| Rear shock absorber | Not Available |
| Saddle seat | GT BMX |
| Seat post extension | 25.4 (millimeters) Diameter Aluminum |
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 1 Pro manual book version yo know further about this bike
- Saddles, tires And mechanical parts for GT Mach 1 Pro BMX here