Originally Posted by
MRT2
Not really. They all work about the same. I ride the M540 and it works really well. For something like the Roam, I might go with M324, but if you want two sided, they all work well.
I think I will go with these to see how I like it.
http://www.performancebike.com/bikes...0a&s0=z00hkbzc