Diamondback RM JR 2002 Technical specs and features
| Brand | Diamondback |
| Model | RM JR |
| First production | 2002 |
| Bike category | BMX |
| Bike sub-category | BMX |
| Bike Pricing | See price on Amazon |
| Parts And Accessories | Diamondback RM JR Parts |
| Available Sizes | - Race |
Wheels And Breaking System
| Bike front tire | 20 X 1 3/8 (inches) Tioga Comp III |
| Bike rear tire | Not Available |
| Bike wheel size | 20 (inches) Wheels |
| Brakeset type | Tektro 319A Rear LeversTektro 927A Rear Brakes |
| Hubs for disc brakes | Aluminum |
| Rims manufacturer | 36-holeAlex VP-15F |
| Spoke nipples type | Brass Nipples |
| Spoke wheel | 14ga. Straight GaugeStainless 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 Aluminum |
Gearing Specs
| Bicycle chain | 1/2 X 3/32 (inches)KMC Z-610HX |
| Bottom bracket shell width | 68 (millimeters) English |
| Bottom bracket type | YST BB-621 |
| Crankset parts and sizes | 42 Teeth1-piece 165 (millimeters) |
| Gear shift levers | Not Available |
| Rear gear set | 16 Teeth1-speed |
Diamondback RM JR Fork System Data
| Derailleur (Front) | Not Available |
| Derailleur (Rear) | Not Available |
| Fork material | Unicrown CrownChromoly |
| Fork type | Not Available |
Other Specs of Diamondback RM JR
| Component group sets | Not Available |
| Available colors | - Red and White |
| Weight | Not Available |
| Pedals details | Aluminum |
| Rear shock absorber | Not Available |
| Saddle seat | Diamondback Uni-style |
| Seat post extension | 22.2 (millimeters) DiameterAluminum |
Diamondback RM JR picture
RM JR bike comparison
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Diamondback RM JR bike review
Diamondback produced the RM JR bike in 2002 and can be classified as a BMX bicycle, this exact model costs in american market arround $300.00.Diamondback BMX RM JR can be found in a few colors, among these colors Red and White .
This bike is equiped with 20 x 1 3/8" Tioga Comp III tires and Stainless steel spoke wheel while the rims are manufactured by Alex VP-15F, 36-hole. Diamondback equiped this exact model with Tektro 927A rear brakes, Tektro 319A 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 Z-610HX chain that is easily replaceable as stated by Diamondback.