Originally Posted by
killsurfcity
i've ridden mixed 3/32 and 1/8 for years, and never had a problem. it's the cog and lockring for sure. you can't hand tighten that ****. if you want to get it tighter, either google rotafix or find the tallest hill near you and stomp up it with all your might. that will get it pretty tight. DO NOT fool around on it with the cog and lockring loose. you will strip your hub after a while.
+1 and to add to the above post its recommended to give considerable torque to both the cog and lockring. and then ride your bike for a short while and re-torque to insure everything is secure and tight. get the correct tools or LBS.