Anyone got any experience with these: looks a neat idea in theory. The removability of QR for punctures without the vulnerability.
http://www.edinburghbicycle.com/ebwPNLqrymode.a4p?f_ProductID=4276&f_SupersetQRY=C233&f_SortOrderID=1&f_bct=c003154c003142c003253
@Russell160 started
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Anyone got any experience with these: looks a neat idea in theory. The removability of QR for punctures without the vulnerability.
http://www.edinburghbicycle.com/ebwPNLqrymode.a4p?f_ProductID=4276&f_SupersetQRY=C233&f_SortOrderID=1&f_bct=c003154c003142c003253