I don't know what RCS is but I have plenty experience with roller chains and I'm pretty sure I've never had any problems caused by having too much RCS.
@PiemelPiemel started
London Fixed Gear and Single-Speed is a community of predominantly fixed gear and single-speed cyclists in and around London, UK.
This site is supported almost exclusively by donations. Please consider donating a small amount regularly.
I don't know what RCS is but I have plenty experience with roller chains and I'm pretty sure I've never had any problems caused by having too much RCS.