Originally Posted by AfterThisNap
where does this come from? Seriously?
is there no engineer or anyone that has taken an introductory physics class to back me up on this?
I'm an engineer and a physicist.
by slack i mean 1/2-1/4" of vertical play.
tight chains like seely described (i.e. no vertical free play) are a recipe for destroyed bearings and worn chains and cogs