Vorteks RPM rear arms.

[Matt888]

I've just recently bought a used Vorteks it cake with uprated shocks and RPM arms.
The problem is that after 2 backflips the right side arm the pin pops out on the wheel hub side, it's easy enough to fix but it's irritating, has anyone else had this problem with these arms?

 

[gotnitro]

RPM is known to flex hence the reason they can take a bigger beating than stock, the plastics do stretch with pins over time that round out.. Cheap fix.

 

[slick2500]

Rpm arms are a double edged sword in my opinion. On one hand they are more flexible and break less than stock, but that flex can cause other issues.

 

[Tex Koder]

Perhaps stick with OEM stock arms.

You can get them Cheap! at JennysRC.com
Just try to load up on spares in bulk ,cause their shipping is a tad high.

 

[SrC]

Yeah I would stay with the stocker arms. Rigid stokcer arms afford a better driving experience as well. IMHO.
As you learn to drive better, you wont need the Flexi Nylon RPM arms as a crutch. Pick your poison.