What's the tab just above the butterfly nut on the seat stay for... Pump?
They are for the mudguard stays Gandalf. Someone went into more detail with me about them at Eroica Britannia, but all of it has left my head since then.
@Quiet_Mike started
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They are for the mudguard stays Gandalf. Someone went into more detail with me about them at Eroica Britannia, but all of it has left my head since then.