Really depends on what kind of terrain you will be riding. I weigh around 235 give or take and the 44 works fine for me to provide just enough power to top some rolling hills, but also be able to maintain a nice cruise speed on the flats without over revving the engine. I built a bike for a 150lb guy and he wanted a 50t sprocket just because he planned to never leave town..not cruise over 20mph and he wanted to be able to take off from a very slight rolling start. I however like to cruise the back country blacktops..so I like a bit lower rev and a bit higher cruise speed but still want enough power to make it over the hills. Really does come down to the type of riding you plan on doing and what I would say works good for me might not be at all what you want.