Grom Ok here’s my quick Grom build

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Do you happen to have a link for the gears? I’m having trouble finding .5 Mod with 1.375mm shaft
I had the same issue so I just drilled them out with an 1/8” bit.
 
I had the same issue so I just drilled them out with an 1/8” bit.
I have a grom on the way, and I was thinking the same thing. I did find some .5 mod pinions made by LC racing. You can get like four of them for $10. They are 3.175 mm. I also found some hot racing ones on Amazon that are 1/8 inch which is pretty much the same thing, I found them after I asked you the questions so if you need any more that’s an option.

The pinion I ordered was 3mm and I drilled it out on my drill press.
Like I just shared before I found .5 mod pinions by LC racing that have a 3.175 mm shaft. Also, I found some hot racing ones on Amazon with a 1/8 inch shift which is the same thing pretty much. so if you are looking in need anymore, that’s an option. I literally found them like an hour after asking you. I have a Grom coming Wednesday and I look forward to building it.
 
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