Here’s what I can tell you about my experience - I used EK 520MXR3D - The chain continuously stretch - I mean like almost every session I had to re-adjust it - It was crazy.
I sent the chain back for EK to test and warranty - I was told the chain was not made for the Ninja and would not warranty
I sent the chain back for EK to test and warranty - I was told the chain was not made for the Ninja and would not warranty