91 explosif seatpost size

I suspect the seat tube was Tange Prestige Concept (the sticker looks right), in which case the seat post would be a 27.2. Unlike other 91 Konas, which used a 26.6. But please don't take my word for it, if there isn't an owner on here, you'll just have to be patient!

I think our friend KonaPaul has a 91 Explosif.
 
It's a 92 and it takes a 27.0 (actually haven't tried a 27.2 to see if it'll go, though. Perhaps I should do that.) 1990 Kona's took either 26.4 or 26.8, not a 26.6, so that might be the case with 91 as well. However, the Explosif will most likely be a 27.0 or 27.2. Without verification from an owner of that year, I would take Anthony's advice and wait until you can test it out.

Remeber to put up pics when it arrives. :D
 
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