ROCKBROS REPLACE the FRONT Suction Cup PART for Rooftop Bike Carrier. Pre-owned, but in excellent condition. Includes the Suction Cup, Protective Pad and center screw. Auction is for one Suction Cup, but there are four available. The suction cups are original to the ROCKBROS four FRONT Suction Cup Rack Base. The original base is pictured for reference but is not included. The REAR and FRONT Suction Cups are different so please make sure you need the FRONT Suction Cup. 

Please examine the 9 pictures for additional description.