I know this is an old post, but after reading I'm curious. I had a rear tire changed today. Guy comes out & says we can into a prob. Explains they broke bolts on rear caliper. They made it right & heli coiled them w/New bolts free of charge. After that is where my issue is. He tells me afterward "you're gonna wanna replace the rear caliper it's dragging". "It was when you brought it in". If so I hadn't noticed it for the couple and I've owned bike. I asked if maybe it needed bleeding guy says we did twice no good. What you guys have me wondering is if rear & left front are linked, could it possibly be that it needs to be bled @ rear & left front? I'm letting my ignorance to brakes show I know, but just wondering if there's possibly a cheaper easier fix than $375+ replacement.