Originally Posted by
3alarmer
...if this is Shimano indexing, most Shimano cranks have 130BCD , and there are a plethora of old 53 tooth Shimano chainrings out there. I run a few of them myself. I used to see them here at the co-op all the time, so they are not hard to find.
I don't think going from a 52 to a 53 will give me what I want. But thanks for that info. I found an old 48T and swapped it with a 42T on my MTB and love the higher range.