Hi,
I have a 2006 Redline Monocog FLT Al 26" bike. The rear cog is 20. I want to try 18 or 16 to see if I like it better. Will any bmx cog work? Any recommendations. My chain is 1/8", but I still use a 3/32 cog, correct. What park tool do I need to remove the rear cog?

Thanks