Originally Posted by
solbrothers
id be afraid of usiing one on the back because on a fixed gear bike, there is so much force on that rear tire, whether it be the accelerating, or the decelerating/skidding
You can't generate nearly as much force on a fg with say 48/16 gearing as you can with 22/32 on a MTB and qr are used on those bikes all the time. Skidding force is generally the same on any bike and is limited by how much force the tire can handle before it skids.