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how tight should the crank be?(5 posts)

how tight should the crank be?bonsai171
Aug 1, 2003 7:24 AM
Hello, I was just working on my bike before- it's a '76 schwinn continental with a 1 piece crank. I degreased all the bearings and cleaned out the crank area, but now I need to put it back together, and i'm not quite sure how to tell if the crank is tight enough, or too tight. Is there some easy way to tell?? Thanks a bunch!
re: how tight should the crank be?Spoke Wrench
Aug 1, 2003 8:29 AM
It needs to be tight enough so that you can feel no rock when you push inwards on the tips of either crankarm. It needs to be loose enough that it spins freely. You'll have some difficulty finding that sweet spot and getting the bottom bracket to hold that adjustment as you tighten up the lockring. It usually takes me several tries to get it right.
"Several tries to get right": I'm SO glad to hear that....Silverback
Aug 1, 2003 8:52 AM
Man, I thought I was the only one who needs 15 minutes to get bearings j-u-u-u-st right.
several tries...Fredrico
Aug 1, 2003 11:10 AM
Not only that, but pedaling up and down wants to loosen the crank, so you have to check the locknut for tightness after riding a day or so. One piece cranks don't do that as much as square tapered press fit cranks.
thanks guys.. I guess i'll have to fiddle with it! :)bonsai171
Aug 1, 2003 5:37 PM