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Old 08-12-10, 07:43 AM   #1
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Source for 688 and 6803-C3 bearings for AC 350 Sprint Wheelset?

I just picked up a set of American Classic 350 Sprint wheels, with the new version hubs. The front hub uses model 688 bearings and the rear uses 6803-C3 (per the AC website). They want $240 for a complete set of ceramic bearings, but I have to believe they can be had at a better price elsewhere. Same for the non-ceramic bearings. I've seen the 688 bearings on other sites (industrial supply, bike supply, etc.) but I have not seen any designated as 6803-C3. I have seen 6803, but they don't have the C# designation. Can anyone tell me exactly what to look for, and where a good source might be? If you've sourced them for these hubs, that would be best, since I'd know for sure they worked!

Thanks for the help.

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Old 08-12-10, 08:25 AM   #2
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The 688 and 6803 numbers provide all the definition you need.
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Old 08-12-10, 10:08 AM   #3
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Email Chris at Enduro for an explanation of number differences. He has helped me a few times, and is quite knowledgeable in matters 'bearing'.

BTW they have Grade5 and Grade3 ceramics. Naturally, the G3's are more expensive.
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