Speaker 1: Today on our 2017 Buick Envision we're going to be test fitting the Thule Circuit XT Roof Top Bike Rack, part number TH526XT. We already have our bike installed on the rack, so let's take a closer look and show off some of the features. How the bike is attached to the rack we're not going to have any frame contact at all. Instead it's going to grip it by rear tire here with… see more >