The Kyosho Optima dog bone shaft is 68mm. What is going to happen if I fit in a 70mm replacement?
Even though I managed to fit it in, shock absorption movement of the arm became jagged and harsh. So I decided to remove a little bit of thickness on both ends of the 70mm shaft.
About 0.5mm of thickness had therefore been removed out of the shaft. Now it works just fine.
FYI a Kyosho 68mm shaft is 10 times the cost of a Mr. nobody 70mm replacement.
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