Thinking of upgrading brakes to hydrolics. I have a Specialized Cross Trail Comp 2011 with Avid BB5 disks . I live in the mountians starting take futher rides did just under 49 milies last saturday.1st 5miles basicly striaght up 1hour plus. Other side 8% grades guys I was riding with hit 50 plus I dont ride that fast down hill right at 30 on the brakes alot started to think about brakes after that. Just wanted some opions on brakes I have and on hydrolics.