Today on our 2013 GMC Yukon XL, we'll be test fitting the RockyMounts Tierod stretch roof-mounted bike carrier, part number RKY1011. To install the carrier, place the front half on the front cross bar. Now we can bring the rubber-coated steel strap around the underside of the front crossbar and hook it into position. We'll then move to the rear of the carrier, where we'll loosen up the bracket,… see more >