I have a noise (humming) coming from my front brake. What's odd is it only makes the noise once I have come to a stop. While sitting on the bike, if I roll it slightly forward or back (neutral check) the noise is there. The noise started after I installed a new front brake caliper and pads a few months ago. The brakes work great and the lever doesn't feel squishy. Any idea what could be causing the noise?
Bike is a 2011 FLSTC non-ABS.

 

I suspect one or both pads are slightly in contact with your rotor. That could be because one or both pistons are not retracting fully. Jack the front wheel off the ground, so you can roll the wheel back and forth by hand, when you may be able to see and hear what is going on. If a pad is rubbing then cleaning the pistons should help them to retract fully.

Hope that helps!