Stinky, tight BB?
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I'm swapping BB's on my bikes(so I can swap cranksets) and the BB-UN52 on my FS was a breeze to uninstall, but I also have a BB-M950 on my HT that almost broke my arm getting it out! I had to use an old handlebar for extra leverage to get the left side loosened. I installed the M950 myself(several years ago) using the provided tool and(I believe) Finish Line Bicycle Grease(thick white stuff) on the threads. When I finally got it out today, which is the first time I've touched it since the initial install, the grease was a dark gray and fairly thin with some gunk in the threads. I suppose I should've checked/lubed the BB at regular intervals? Was the Finish Line a good choice for lubing the threads?
Also, it smelled like something dead/decaying was in there. Kinda like fecal matter or sewage, too. No evidence of that in the BB, tho--that I could see. I've ridden in some rough/nasty stuff over the years, but there didn't seem to be any water in the BB. Any ideas/experience with this? Could it be the grease or was I just lucky enough to get a stinkbomb this time?
Also, it smelled like something dead/decaying was in there. Kinda like fecal matter or sewage, too. No evidence of that in the BB, tho--that I could see. I've ridden in some rough/nasty stuff over the years, but there didn't seem to be any water in the BB. Any ideas/experience with this? Could it be the grease or was I just lucky enough to get a stinkbomb this time?
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Originally Posted by Karldar
Also, it smelled like something dead/decaying was in there. Kinda like fecal matter or sewage, too. No evidence of that in the BB, tho--that I could see. I've ridden in some rough/nasty stuff over the years, but there didn't seem to be any water in the BB. Any ideas/experience with this? Could it be the grease or was I just lucky enough to get a stinkbomb this time?
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Well, you were right about the frogs. I knew that smell was familiar.... Actually, that Finish Line doesn't smell freshtastic anyway, so sitting in the BB for several years probably didn't help.
As far as the tightness issue, I found the problem. The 2nd/3rd thread on the right side of the BB is a bit wider/flatter than the rest, almost like it's been cross-threaded at that one section, causing the part to bind in the threads. It's been so long since it was installed, I can't remember whether it was as much of a ***** to put in the first time or not. I double-checked the HT to see if the threads were fudged, but they're fine. The other BB screws right in. So how did one thread get messed up? And how can I get it fixed? Would an LBS have a die that big? Does anyone even make dies for BB's? I'm sure that I could find one that would work, but I've no idea how much it would cost.
As far as the tightness issue, I found the problem. The 2nd/3rd thread on the right side of the BB is a bit wider/flatter than the rest, almost like it's been cross-threaded at that one section, causing the part to bind in the threads. It's been so long since it was installed, I can't remember whether it was as much of a ***** to put in the first time or not. I double-checked the HT to see if the threads were fudged, but they're fine. The other BB screws right in. So how did one thread get messed up? And how can I get it fixed? Would an LBS have a die that big? Does anyone even make dies for BB's? I'm sure that I could find one that would work, but I've no idea how much it would cost.
__________________
I like pie!
"The bright flicker of our television screens is the stolen incandescence of a thousand young minds." - Theodore W. Gray
"you taught us to fish while so many others were handing out tuna sandwiches" - Ziggurat
I like pie!
"The bright flicker of our television screens is the stolen incandescence of a thousand young minds." - Theodore W. Gray
"you taught us to fish while so many others were handing out tuna sandwiches" - Ziggurat