Can I still use my Round Bars with your new towers? Raul Bonifacio Updated January 29, 2020 20:46 Follow Absolutely. You will need to purchase the Round Bar Adapter, part number 8003536, these run $30 for a set of 4. For additional help contact us here, or by phone at 888-925-4621 during business hours Related articles RoundBar Adapters Fits, how to see what will work with your car What accessories can be attach to the SkinnyWarrior? RoundBar Dimensions Lock Core Maintenance Comments 0 comments Article is closed for comments.