Technical & Reference Section > Tech and Restoration

scrader valve

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kurtallen46gp2009:
i want to fit scrader  valve tubes on my ukai wheels but the holes are to small to fit the valve through .
what size drill bit do i use ?

oldtired:
could  be out on this so double check         5/16ths   or roughly 8mm  think its about 7.9mm  so 8mm  should be ok ,  schwable still do 20inch presta valve tubes though  :daumenhoch:

kurtallen46gp2009:
thanks

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