Goop Puncture Preventative
GOOP is a revolutionary liquid puncture preventative which is permanently installed in the tyre or tube, it remains effective for the life of the tyre or tube.
It will repair as many punctures as may occur, it is capable of sealing holes up to 1/4in diameter, its solution will not harm your tyre or tube. It is easy to install and could save you money and a long walk.
500ml bottle suitable for two tyres.