£40 Thompson post inline 31.6 https://www.planetx.co.uk/i/q/SPTHELITE/thomson-elite-seatpost
Says they’re 30.6mm on the website.
@ElGato started
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£40 Thompson post inline 31.6
https://www.planetx.co.uk/i/q/SPTHELITE/thomson-elite-seatpost