Replacing Dura ace chainring

onthedrops
onthedrops Posts: 19
edited January 2011 in Workshop
I need to replace the big chainring on a dura ace 7900. I didn't take it apart yet, but it seems like the fixing bolts attach into the rear of the big chainring. Does this mean I am forced to buy the dura ace replacement chainring or would a compatible BCD ring be possible - and yes, I know it won't look as nice :)
Many thanks!

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