Originally Posted by
carlos danger
There's no reason to do it that fast, but that is the proper technique - check the inside of the tire before mounting the new tube, blow up the new inner tube a little before inserting it, roll the tire back onto the rim, making sure you don't pinch the tube, no big deal.
But what's with the "lose the little black thing?" Granted, you don't *really* need the cap with Presta valves, but I replaced mine with nice metal ones. I don't see why this is a problem unless you really like the look of bare Presta valves.