GT Bicycles SPEED SERIES PRO 20 2012 VS Diamondback RM JR 2003 specs comparison
GT Bicycles Speed Series Pro 20
General Infos| Model | Speed Series Pro 20 |
| Manufacturer | GT Bicycles |
| Year of production | 2012 |
| Current price | Check price Here ==> |
| Color choice |
-Silver and Blue |
| Sizes |
- 20.5 TT (inches) |
| Sizes |
- 20.5 TT (inches) |
Wheels And Breaking System
| Bike front tire | Tioga Powerblock 1.75 |
| Bike rear tire | Not Available |
| Bike wheel size | Not Available |
| Brakeset type | Promax MV-197 |
| Hubs for disc brakes | GT Mohawk AL Sealed 32h GT Mohawk AL Sealed 36h |
| Rims manufacturer | Unavailable Wheelset |
| Spoke nipples type | Not Available |
| Spoke wheel | Not Available |
Frame and Body Specs
| Frame materials | Hydroformed Speed Metal Al |
| Frame type | Not Available |
| Handlebar construction | GT Race Cro-Mo |
| Handlebar extender | Not Available |
| Handlebar stem details | GT Race |
| Headset size | FSA Impact 1-1/8 (inches) |
Gearing Specifications
| Bicycle chain | KMC Z610Hk |
| Bottom bracket shell width | Not Available |
| Bottom bracket type | FSA BB30 |
| Crankset parts and sizes | FSA Assault BB30 170 (millimeters) 44t |
| Gear shift levers | Unavailable Shifters |
| Rear gear set | Not Available |
GT Bicycles Speed Series Pro 20 Fork System Data
| Derailleur (Front) | Unavailable Front Derailleur |
| Derailleur (Rear) | Unavailable Rear Derailleur |
| Fork material | Not Available |
| Fork type | GT Cro-Mo |
Other Specs of GT Bicycles Speed Series Pro 20
| Component group sets | Not Available |
| Pedals details | GT Pro Plastic |
| Rear shock absorber | Unavailable Rear Shock |
| Saddle seat | SDG Patriot I-Beam |
| Seat post extension | SDG I-Beam |
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 |
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 |
Useful links and guides ....
- To know more about this exacte bike, GT Bicycles provided us with the latest version of its Speed Series Pro 20 bike manual
- Find All parts, tires and accessories of GT Bicycles Speed Series Pro 20 BMX here
- Get your Diamondback RM JR manual book version yo know further about this bike
- Saddles, tires And mechanical parts for Diamondback RM JR BMX here