I just purchased a Shimano XT chainring to put on a bontrager race crankset (it was the only one my local bike shop had). It's a 32 tooth middle ring and they are both 4 bolt pattern with 104 BCD. the shimano ring doesn't quite fit though. the holes line up perfectly but the part of the ring that goes around the bolt holes is slightly more substantial on the Shimano ring and thus it doesn't fit flush against the spider. Has anyone experienced this problem? I was thinking of just filing down the shimano ring to make it fit. anyone tried this? it's not about the money. i'm not that cheap, but i live in Alaska and waiting for a different chainring to arrive might take a few weeks and i want to ride now. any advice would be very helpful.
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