Originally Posted by BaronVonDarrin
Is it really necessary to drill a hole 4" from the bladder stem per the installation instructions if you already have a rim lock hole on the bike, albeit not 4 inches from the other hole?
eh? not sure what you are saying. as long as the 2 holes are ~4" apart you are good to go. I tried running them opposite each other and found that the stem on the bladder would get ripped on tire changes.