Originally Posted by VegasTriker

I'll have to answer the $64 question as I don't deal in pounds sterling. Don't worry about the seam. You don't even need to sand it flat as the patch is flexible enough to mold over the small ridge. I never bother to use the sandpaper or rasp that comes with the patch kits. It's better to clean the area around the hole with a Q-tip soaked in a solvent such as paint thinner or nail polish remover. It will not hurt the tube. It leaves the tube much cleaner than attacking it with sandpaper so you get a better bond with the patch.