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Old 03-08-2009, 06:03 PM
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Satellite Satellite is offline
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Join Date: Mar 2004
Posts: 1,689
Question on Shimano 7800 Bottom Brackets Help

I have just tore down two of my bikes to tune them up for the return of Spring.

All my bikes are dressed in D/A 7800 and I have just noticed that two of my bottom brackets are different. The one on the left has a larger bearing surface. Did Shimano change the designs is one better than the other? Do I have to match the cranks to the proper bottom bracket because I am NOT sure which is which now.

Any help is appreciated,

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