Diamondback RM JR 2003 Technical specs and features
| Brand | Diamondback |
| Model | RM JR |
| First production | 2003 |
| Bike category | BMX |
| Bike sub-category | BMX |
| Bike Pricing | Check price Here ==> |
| Parts And Accessories | Diamondback RM JR Parts |
| Available 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 Specifications
| 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 Specs
| 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 |
| Available colors | - Fast Black and Silver and Black |
| Weight | Unspecified |
| Pedals details | Aluminum Platform |
| Rear shock absorber | Not Available |
| Saddle seat | Diamondback Uni-style |
| Seat post extension | 22.2 (millimeters) Diameter Aluminum |
Diamondback RM JR picture
RM JR bike comparison
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Diamondback RM JR bike review
Diamondback produced the RM JR bike in 2003 and can be classified as a BMX bicycle, this exact model costs in american market arround $279.99.
Diamondback BMX RM JR can be found in a few colors, among these colors Fast Black and Silver and Black .
This bike is equiped with 20 x 1 3/8" Comp III style tires and Stainless steel spoke wheel while the rims are manufactured by Alex AL-DA22, 36-hole. Diamondback equiped this exact model with ProMax linear-pull rear brakes, Promax alloy rear levers braking system and Aluminum hubs.
To guarantee the comfiest ride Diamondback used 7005 aluminum material for the frame. Chromoly BMX high strength material is used on the handlebar of this RM JR to ensure the perfect handling while the stems are made of Aluminum.
For the smoothest biking experience 1-piece 165mm, 42 teeth is used on this bicycle linked to KMC Z610HX chain that is easily replaceable as stated by Diamondback.
