What towers can be used with the TopLoader Bracket? Dave Updated June 14, 2017 00:03 Follow The 1A RainGutter Tower or the Q-Tower with Q-Clip 41 will work with the TopLoader Bracket. If you have additional questions you can contact Customer Support here, or phone at 888-925-4621 M-F from 7 to 4 PT Related articles I want to mount my 1A towers on my camper shell how do I do this? Which Landing Pad do I use with your Yakima tracks? What options do I have for a custom application? What Accessories can I Carry on my LoadWarrior? I have the RailGrab towers, what cars will these fit? Comments 0 comments Please sign in to leave a comment.