Technical & Reference Section > Tech and Restoration

primo powerbite creaking problem

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bof:
Primos are a pain in the arse for creaking, when they start it is hard to stop. If they are old and used you might not be able to stop it. But Iwouldnt put grease on the square shaft but clean the square shaft and square crank hole with a degreaser making sure they are spotless then put them back together, the only grease I would use is a bit on each thread to help cinch them up nice and tight. Tighten up the end bolts first then tighten up the clampbolts second, This might help but if they ar old and worn you may never stop it.

Rombloke:
any metal mating surfaces that meet will req' a little copper slip grease or they will creak.

every set of three piece cranks ive owned creaked unless they were lubed

Ta

Dave

TwoBobRob:
Yip.  Coppergrease all over the shop, jobs a good un.   :daumenhoch:

Although, I do know that if Powerbites have ever been run a little loose in their lifetime they do tend to creak thereafter and it's bloody hard to shut em up..

SteveG:
I had a sealed bottom bracket for my bike and I'm pretty sure that the creaking it made was the bearings in the cups.  I think it was a Tioga one and wasn't brilliantly made. The bearings really needed to be a light push fit in the cups but they fell in.
I got fed up with it in the end and went back to a normal one.

TwoBobRob:
That sounds likely.  All that leverage could easily creat some noise   :daumenhoch:

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