If you want to continue using your panniers, you'd either need to pursue another rear rack, or one that offers a front platform to hold them off the wheel, as lowrider front racks like Tubus dont have anything for the panneirs to straddle. I've used a velo orange porteur rack for touring, without having a rear rack for a couple of seasons. Steering is slightly impacted if you have much weight up on the platform versus hanging on the panniers bars. If I just attach panniers to it, and have virtually nothing on the platform itself (other than tethering a rain jacket, etc., the steering feels virtually no different than unloaded. Sharp descents with more load on the top of platform will tend to pull the bike to the outer diameter of the turn, so a little more care needed.