Recently, I picked up a 1988 Trek 400T with a Sr Sakae triple crank (Oval Tech chainrings) and need a little help.
When I cranked it around it appeared a tad "out of whack" so I pulled the big ring off and it has 5 teeth worn down to nubs (presumably from a wicked crash as there are scrapes all over the aero bars as well) but lays flat against a table.
I grabbed the crank itself and tried to pull it side to side to see if it was loose in the shell but it's tight...SO,
I need an easy way to check the crank arms themselves before I spend a bunch of $$$ buying new rings, etc.
Thanks for the info as always,