I have a Trek Domane disc brake frame. I have Shimano 770 c30 disc brake wheels. The frame will get SRAM equipment. I put the SRAM centerlock rotor on the front wheel and locked it in place with a lock ring. When I check alignment, the disc lines up with the calipers just fine, but the lock ring which has been properly torqued, actually touches the inside of the front fork. Can anyone explain what is going on and what I have to do to correct it? This is holding up the entire build because I am baffled. Thanks