Fishing Reel Spool Compatibilty

 Hi, everyone. I posted a WTB on the Buy/Sell for a Shimano Ci4+ Stradic 2500FA spare spool. After some looking around I realiased that lots of shimano spools from different models are 100% compatible with others. I couldn't find any info online for my Stradic Ci4+ 2500FA, so I was wondering if anyone knew which (if any) other models have compatible spools.

Cheers!

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 young fisho

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