10mm drive gears

I’m building a board and using motors that have 10mm shafts i need to find drive gears with 10mm bore. Any suggestions where to buy such gears. also is it not possible to ream out 8mm gears to a 10mm bore? thanks for looking

There are others out there also. Maybe someone has extra laying around :slight_smile:

Do you talk about spur gears or HTD pulleys?

You can drill out 8mm to 10mm but be careful, .1mm off and it’s gonna wobble like a brick wagon. Better to just buy 10mm bore pulleys.

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I think with a good sharp bit and drill press Ithe should be ok