Originally Posted by
HillRider
The Park MT-1 "dog bone" tool is my favorite. It's very small, light, inexpensive and has the essential tools: 3,4,5,6,8mm hex keys, 8,9,10mm box wrenches and a small screwdriver. The allen keys are arranged for good leverage which isn't always the case with multi-tools. It, a small chain tool and tire levers have covered all of my roadside needs.
I've got something very much like that, but it's some no-name knockoff. I've had it so long I can't remember where I got it. That, and a Park neoprene envelope-like flat kit with tire levers and a patch kit (which isn't Park anymore, the original having been used up many years ago) are all I've ever needed. And a small pump, of course.
I've never been in a situation on the road where a chain tool would have made any difference. Mostly it's fixing flats and tightening the occasional loose nut.