The saris sentinal 2 bike rack features unique bike hold downs which separate and hold up 2 bikes firmly coated hooks ensure your car is protected along with the carrier which clears spoilers on the majority of vehicles the saris rack comes already fully assembled to save you time saris sentinal 2 bike rack features completely assembled easy adjusts to fit most vehicle styles clears spoilers on most vehicles only value priced trunk racks with individual bike hold downs lic