From:Mario Vitale
Subject:Chain size Date:Thu Sep 14 12:28:51 2017
Does anyone know the correct chain size for a 1948 125S? The chain I have is very worn and rusty. The best I can measure, it has a 13mm pitch, 6.5mm roller width and 8,3mm roller diameter. It looks like it falls somewhere between a 428 and a 520 !?!?
I also need a seat, horn and chain guard for the same bike, if anyone has any of them available, let me know


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