Originally Posted by jumpingmoy

Hello guys i have problem with my chain always slipping out the chainring. My chain ring size is 53t and cog ring is 9t. I just installed it, and add a chain pulley tensioner to my single bike with shimano hg40 olive chains. Whats the solution for this problem? The chain lenght is ok, but each time i pedal some of the chain is not properly inserted to the chainring. Thanks guys