I need to get a 52t chainring for my 7900 Dura Ace crankset but am not willing to spend 150 euro on a chainring. Would an Ultegra 52t 6700 chainring work on the 7900 Dura Ace crankset ?
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Yes, a 6700 chainring will work on a 79oo crank. There are a number of other chainrings which will work as well, although they all look a bit silly, since the crank is designed with the integrated shape of the 3D crank arm in mind. A flat chainring doesn't really look right.
You need to check on three things to ensure that your new chainrings will work: