nomad1 missed the point. , obviously , the suggestion was just Spread the legs of the rack,
Wider to clear the disk caliper , meaning the guy who put it up so high.

they're are bent out of steel tubing already , anyhow. pry them wider.
add standoffs to the bolts. if you have to buy something someone else made
to do this, check in with Calhoun's, in MN.

Here is a link :http://www.calhouncycle.com/productc...&idcategory=81