If you cant find the steel u-joints, then these are better than the stock ones and much quiter, made by Graupner................a boat company, as opposed to Traxxas, a Land RC company.
There are other sizes on that site too, this one is if you want to go with 5mm drive shaft and 4mm short shaft. The 5mm is the key to accepting the Castle spur gear properly.
I wonder how these steel ones would work from right here in OSE 4mm to 5mm too! http://www.offshoreelectrics.com/pro...?prod=cen-bj21
There are other sizes on that site too, this one is if you want to go with 5mm drive shaft and 4mm short shaft. The 5mm is the key to accepting the Castle spur gear properly.
I wonder how these steel ones would work from right here in OSE 4mm to 5mm too! http://www.offshoreelectrics.com/pro...?prod=cen-bj21
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