yeah, so 53.5mm for 135mm and 42.5mm for 130mm
Not quite. You're right for 135mm but it's 42.5mm for 120mm and 47.5mm for 130mm.
Check FAQ pasted/linked in original reply.
Sorry yes.
Either way, they are different. You can space the 130mm but the chain line will be slightly out.
Be fine.
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Not quite. You're right for 135mm but it's 42.5mm for 120mm and 47.5mm for 130mm.
Check FAQ pasted/linked in original reply.