i have a set of oem style grips on my k4 750 and i like them fine. i havent ridden more than 75-100 miles with them yet though. if someone here (i forget which user) gets the alternator upgrade with the 750a unit figured out i might like to go to a set of bmw heated grips. theyre pretty low draw and they work great, i have a set of handlebar switches from a r1200gs sitting in my toolbox already to go.