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Bicycle Mechanics Broken bottom bracket? Tacoed wheel? If you're having problems with your bicycle, or just need help fixing a flat, drop in here for the latest on bicycle mechanics & bicycle maintenance.

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Old 05-14-08, 08:04 PM   #1
scale
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Mid 90s bianchi bottom braket help

Very simple question for you bike mechanics

I have a campy veloce bb that i want to thread into my mid 90s bianchi limited frame. I havent had it together in a long time and i dont know which side goes where.

they are marked left and right left on the cup and right on the cup with spindle assembly.

My question becomes left and right but of what? Are they talking if you are on the bike or if you are looking at the bike from the front.

I guess my question becomes which side is the drive side and does that get the cup or the cup+spindle?

Seems simple enough but i would rather not do it twice.

Threading seems backwards meaning the drive side threads in and pedaling would loosen it. This might be correct because i have heard of that happening.

This brings me to my second question. DO you use a bit of thread locker on the threads to keep them in place? If so....what kind? Red? Blue? Any recommend brands?
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Old 05-14-08, 08:28 PM   #2
KevinF
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I've always seen "left" and "right" to be from the riders perspective. i.e., the right side is the side where all the gears and derailleurs are.

It sounds like your BB is Italian-threaded, which do have a habit of coming loose. The ParkTool site lists some recommended thread-lockers here.
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Old 05-14-08, 09:43 PM   #3
scale
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ya i also saw that page. Im wondering of a 222 or a few very small dabs of 242 would do the trick. Campy says use none and others recommend use grease or anti seize which i would think woudl make matters even more likely to come loose.

I dont want stuck or frozen cups but i dont want them to come loose either. I guess that is why i asked. I was hoping to get feed back from a few users with experience with simular setups. Id really like to do this once and let it be done rather than do it wrong and have to fix it or chance wrecking somthing.

I just had my frame powdered. It is going to be like brand new once i build it up. Im so excited. I cant wait!
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Old 05-14-08, 09:59 PM   #4
Torchy McFlux
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Do not Loctite your bottom bracket. Use grease or anti-seize. They will not unscrew themselves if you torque them down the appropriate amount.

If you're worried about screwing it up, get your LBS to do it for you.
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