Originally Posted by seamuis

are you saying you use Schrader? I strongly prefer presta over schrader, personally, but for let’s just call it ‘high performance’ presta is usually your only choice, as far as road setups go. Obviously this is different for MTB/Downhill stuff. The only difference in a real world scenario between the two is the less than 3 seconds it takes to open and close the valve. I hardly think that’s consequential when dealing with a flat.