The topeak uni super tourist fat pannier for disc brake bike is the ideal rack if you are touring tkaing long weekends on your fatbike this one size fits all aluminum tubular rear rack is designed exclusively for fat bikes with disc brakes the rack legs are adjustable to fit most 24 26 wheel fat bikes the integrated side bar provides a lower pannier attachment point allowing more space for cargo on top of the rack the mtx quicktrack plate is compatible with any topeak mtx trunkbag mtx