You all know I have the 2015 Expert disc. I have been tweaking and tuning and cleaning and just learning the guts of my bike. One question I had for the experts in this column was regarding my disc brakes. My rears kinda suck. I pull hard and they sorta slow me down. My fiancé has the 2014 sport disc and her rear brakes seem to grip much harder? What should my rear brakes feel like? are there upgrades to my brakes that I could perform to make them grip better? Pads etc? ALSO, when going really slow my brakes squak and are loud. Thanks!