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04-16-02, 04:57 AM
#1
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Okay, I know this has been brought up before, call me a clod, but I still don't quite understand. what, exactly, is the difference between UN-52, UN-72, ect?
04-16-02, 07:42 AM
#2
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I'm not sure either. They seem to be pretty much interchangable. Someone reported concerns with certain cranksets, including Sugino, seating properly on the UN72. I am using a Sugino crank on a UN72 with no apparent problem, but I may not be experienced enough as a mechanic or cyclist to know whether it is correct or not.
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04-16-02, 09:03 AM
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UN72 uses slightly higher quality bearings than UN52, and I believe UN72 uses a hollow axle.
Richard
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04-17-02, 03:57 AM
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Originally posted by uhm...yea.
What about a UN-42? even worse quality?
What about a UN-42? even worse quality?
Richard
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Currently riding an MTB with a split personality - commuting, touring, riding for the sake of riding, on or off road :)
Currently riding an MTB with a split personality - commuting, touring, riding for the sake of riding, on or off road :)
