Today on our 2012 GMC Sierra, well be test fitting the Kuat Sherpa aluminum two bike carrier, part number s102. To begin our test fit well slide the shank of the carrier into the opening of the hitch and turn the black handle located at the base of the carrier to engage our anti-rattle device. Now lets go over some clearance measurements to see how the bike carrier and this vehicle fit together, there is about 16 inches of ground clearance, the closet part of the vehicle to the closet part of the carrier is about two inches, weve added about 14 inches to the overall length of the vehicle. To load the bike well pull the gold handle located at the base of the carrier and tilt the carrier down, well unfold the mast and raise the frame hook and undo the cradle strap, well set the bike onto the wheel trays, secure the frame hook tightly just before the front caliber, and then secure it with the cradle strap. With this bike carrier youll not be able to access your cargo area as the tailgate hits the bike carrier and that concludes todays test fit for the Kuat Sherpa aluminum two bike carrier, part number s102 on our 2012 GMC Sierra.