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Shimano Drivetrain Popping? Question(3 posts)

Shimano Drivetrain Popping? Questiongregdogg62
Apr 19, 2002 6:27 AM
I am having a problem with my Dura Ace Drivetrain. Every so often as I am riding I hear and feel a pop. Thats the best way I can describe it. It seems to be originating from the front chainrings, cranks, bottom bracket area. It happens most often after I have been coasting, and I start pedaling again. It happens both with soft pedaling or harder efforts. Any suggestions on what it might be? It is driving me nuts.
re: Shimano Drivetrain Popping? QuestiontempeteKerouak
Apr 19, 2002 6:47 AM
I have 105 splined cranks/bottom bracket and it seems to be popping/creaking in the same situation; I'll re-grease the contact spined area, if it don't go away, I'll stick some silicone tape (plumming tape) as suggested in Bicycling...

Oh well. Maybe it's just a crappy bb unit.

"saw it on TV
Bought it on the phone
Now I'm home alone
with a piece of crap

Neil young.
It happens most often after you've been coastingcyclinseth
Apr 19, 2002 8:49 AM
Sounds like one of the pauls in the hub body isn't engaging properly. This same thing happened to me. How old is your drive train?