Originally Posted by Corse-R
Because if all tightened down and you put bigger bearings you're approaching more the teeth of the belt and you can risk to touch themselves as it runs (and of course, do more harm rather than good).
I'm sure we have reasonable expertise, brain and experience with RC cars. So we know how big the bearings that fit into mtx4 belt tensioner without harming any other parts.
Anyway, I have new toys ...... mrx4r
