On Friday, September 16, 2011 12:25:38 PM UTC-5, Eric Norris wrote: > > Have you checked the jockey pulleys? If they're starting to run dry, they > will tend to squeak more in gear combinations that put more pressure on > pulleys. Most pulleys can be dismantled and lubed fairly easily. > > --Eric N > Sent from the iPad 2 > > Well in this case it wasn't the pulleys alone originally; there was too big an immediate change from lubing the chain. If the pulleys had become involved after initial onset, then lubing the chain must've eventually leaked enough lube onto them that they also have gone quiet. But I wouldn't expect that the pulleys had been dry enough; the derailer has <1,000 miles on it. I replaced it recently after a fall bent the prior derailer and the derailer hanger. (That gave me an "opportunity" to use my colleague's derailer alignment gauge, which is really a satisfying tool to use. Using it properly isn't hard. And when there's an actual alignment issue to begin with, the results are noticeable immediately afterward; drivetrain's quieter, shifts are quicker, all's right with the world!) Yours, Thomas Lynn Skean
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