Transform a bicycle valve from Schrader to Presta...
https://3speak.tv/watch?v=cositav/lmabdldc EnglishHello guys from Hive, especially to the Cycling Community, a pleasure to be here again today with the excellent news that I have started the process of building a rim 20 bicycle for my son and I have already started to get the parts that I will need to assemble it completely. For now, I have already acquired two inner tubes; However, there is a small problem to solve, since they sent me two air chambers with a Schrader valve from abroad and that
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