I've given up on QR levers, strongly favoring the ControlTech Race Skewers-- hey, saves a watt, right? Those need a 5mm hex to take a wheel off, and if I'm going to carry a 5mm, might as well carry an assortment.
When I was umm... heavier, I had to raise my saddle up pretty much daily, as it would slide down about 1/4" on every ride. So I've just gotten used to having tools. I feel weird without the tools. Started using this guy around the beginning of the year, no complaints:
