OKO is great but as we found on our return trip from Grindelwald it doesn't always work, as we believe that the puncture in my rear tyre occurred about 10 meters before pulling up in the overnight hotel carpark...the puncture was a 5mm slit in the centre of the tyre, probably caused by the flints along the centre of the driveway.
But one of the group also had one of the "Grand Pitstop" puncture repair kits on board and that worked a treat, in fact the tyre is still inflated now to the correct pressure, 4 weeks later. Saved so much time as trying to get a garage to sort would have been a nightmare, would have probably ended up instead being recovered home.
Worth carrying the emergency compressor/gunk kit and a puncture repair kit if your touring.
