goodboyr wrote:Here's how to do the preload right. With pinch bolts loose, tighten down preload until cranks are stiff to turn, then back it off 1/8 a turn. Check cranks turn smooth and free. By tightening farther than you need, it will take out any play. What happened to you is that there was still play in the system that you didn't take out when you slightly tightened it.
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That's sort of what I did in reverse. Did the pre load up finger tight then less than another 1/8 of a turn. More like 1/16 as I would have had to use gorilla force to tighten it anymore.