Hi Grandparipper,
Why do you want to use the 530 chain?
The original 630 does its job perfectly,...lasts over 100,000 km, runs smoothly
over the sprockets, no wear, no noise.
The only advantage I see is, a 530 is easier to get in the shop, ...but costs the same.
But how often do you change the chain / 100.000 km ??
Or have you removed the chain case (very big mistake)?? ...because then you will
have wear on the chain wheels and will face the same problem again the next
time you change them.
Greetings Bruno