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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 12-02-11, 10:02 AM   #1
linuskarlsson
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Chin haur or Shimano bottom bracket?

Hi.
My bottom bracket (Shimano UN 52) got some problems and I want to replace ıt. The problem is that I'm in Istanbul and can't fınd a Shimano UN 54.

So I have to choose between a Chin Haur CH 51-70 and a Shimano UN 26.

Since I'm on my way India with my bike I really need a good bottom bracket, so which one is the best of the ones I mentioned?

And if anybody knows where I can fınd a UN 54 in Istanbul please tell me.

Take care
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Old 12-02-11, 11:16 AM   #2
fietsbob 
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Shipped out of England Perhaps? There are a few UK shops
that ship internationally as a matter of course.
Wiggle, Chain Reaction, SJS,

Not really knowledgeable about the bearing set inside each of those 2 you mentioned.
Belt and Braces, get both , put one in the luggage to replace the other if failure happens.

China has a Space launch and Nukes , so are mechanically competent,
now whether the bottom line of profit over rode QC in the parts , is another issue,
beyond the scope of a low level forum.
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Old 12-02-11, 11:27 AM   #3
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I would get the Shimano. I have experieince with both Shimano and lesser-known Chinese bottom brackets, and I have seen both fail, but the 'non-Shimano' ones certainly fail more often.
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Old 12-02-11, 11:34 AM   #4
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There is a list and review of bike shops in Instanbul here
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