Buy a cheap road chainring in 130bcd, it'll be 3/32 but that doesn't matter.
You won't notice the difference between a 49t and 50t so just get what's easier or cheaper.
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Buy a cheap road chainring in 130bcd, it'll be 3/32 but that doesn't matter.
You won't notice the difference between a 49t and 50t so just get what's easier or cheaper.