>>1189742>they are for narrower rims,I had a look and they are standard shraeders but I'd have reamed that shit anyway because they are fat rims, not rims fitting of a racing bike
>a shrader valve removercan i do it with a pair of multitool tires, or perhaps just cut it out entirely and patch in a valve and some extra rubber around with copious mounts of glue and perhaps also a torch