Joined: Sep 2014
Posts: 199
Likes: 0
From: St. Cloud Minnesota
Bikes: 1981 Miyata 210, 1987 Miyata 615GT, 1990 Miyata CT3000, 1993 Cannondale M300, 1994 Cannondale Killer V, 1995 Cannondale R500, 2010 Cannondale F4, 2015 Framed Minnesota 3.0
I've had a few bikes do this to me. I have fixed every one by tightening the crank arms or if that doesn't do it remove the arms and grease the square drive and bolt when you put them back on.