- Yokomo BD7 - Which options parts do I need ? -
by Yukijiro Umino
As many of you anxiously await the arrival of your new BD7 kits this week, here are some comments from Umino regarding the most commonly asked,
"Which options parts do I need?"
However, since not everyone runs on the same surface conditions, provided below are some recommendations based on the team's experience at both races and testing.
For medium grip asphalt/tarmac and low grip carpet tracks
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B7-203 Aluminum special servo mount
![](b7_203.jpg)
BD-010FW Front double joint universal shafts
![](bd_010fw.JPG)
Standard kit suspension arms are recommended, as for these surface conditions the kit arms allow the car to be more compliant, and provide easier drivability. |
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For high grip asphalt/tarmac and high grip carpet tracks
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BD-008FG Graphite front arms
![](bd_008fg.JPG)
BD-008RG1 Graphite rear arms
![](bd_008rg1.jpg)
BD-415SG Graphite steering blocks
![](bd_415sg.JPG)
BD-415RG Graphite rear hub carriers
![](bd_415rg.JPG)
B7-203 Aluminum special servo mount
![](b7_203.jpg)
BD-010FW Front double joint universal shafts
![](bd_010fw.JPG)
Changing the suspension pieces to graphite will provide sharper response and improved handling. On tracks where grip-rolling is an issue, it is recommended to at least change the front and rear suspension arms to graphite.
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For reference, listed below are the differences between the cars of Naoto and Ronald from the recently held 2012 Japanese Nationals.
Ronald's car, mostly stock with the following options
BD-010FW Front double joint universal shafts
![](bd_010fw.JPG)
BD-010RW Rear double joint universal shafts
![](bd_010rw.JPG)
B7-TBS Titanium turnbuckle set
![](b7_tbs.jpg)
B7-TSS Titanium screw set
![](b7_tss.jpg)
B7-203 Aluminum special servo mount
![](b7_203.jpg)
Naoto's car, with the following options
BD-008FG Graphite front arms
![](bd_008fg.JPG)
BD-008RG1 Graphite rear arms
![](bd_008rg1.jpg)
BD-415SG Graphite steering blocks
![](bd_415sg.JPG)
BD-415RG Graphite rear hub carriers
![](bd_415rg.JPG)
BD-010FW Front double joint universal shafts
![](bd_010fw.JPG)
BD-010RW Rear double joint universal shafts
![](bd_010rw.JPG)
b7_tbs.htmlB7-TBS Titanium turnbuckle set
![](b7_tbs.jpg)
B7-TSS Titanium screw set
![](b7_tss.jpg)
B7-203 Aluminum special servo mount
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Source:
![](/setup/yokomo/toplogo1.gif)
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