2 new inner tube Schrader style valve stem cores for modern or vintage bicycles

Description

Does your valve stem leak air? Don't throw away the whole tube, just replace the valve stem core!!
This listing is for two new valve stem cores.
these are in great condition. They have never been used.
I also have valve core removal tools for sale in a separate listing.
These will not fit presta style stems, only fit Schrader style valve stems.
stock photo.
I will combine shipping for multiple items.