Originally Posted by
borobike
Thanks, please do. I ended up ordering a UN54 too because the popping is back. If you don't mind, post which socket you use to get the new bottom bracket in, I'm not sure which one fits the UN54.
For what it's worth I get that pinging off and on to. It usually lasts just long enough for me to think about replacing the bb, then disappears for months. I think there's some grit or metal shavings causing it.