Today on our 2013 Mazda 3, we'll be test fitting the Sportrack frame-mount roof bike rack, part number SR4611. With our Thule Podium roof rack system already installed on our vehicle, we'll begin our test fit by placing our bike rack directly onto our loads bars. On the head of our bike rack, we'll bring our two rubber-coated U-bolts around our load bar, through the carrier and we'll secure these… see more >