Originally Posted by
rpenmanparker
KMC makes a much better. quieter chain for SRAM drivetrains. Buy the one that best corresponds to the expense level you are looking for. The SL X10 is magnificent. Ultra light and ultra quiet though a little pricey.
I ordered the KMC X10SL from a Taiwan EBay seller yesterday for $38 shipped. I did research beforehand. People seems to like it. Not a counterfit. If you concern about buying from overseas, Competitive Cyclist has it currently on sale for under $50.