Rolling Walkers Medline Front Wheel Assembly – 8 in. Front, fits Model MDS86800XW Rollator (Pair; incl 2 Wheels, 2 Forks, 2 axles) Review Posted on June 14, 2018November 7, 2018Author Marauderby Medline Front Wheel Assembly – 8 In. Front, fits model MDS86800XW Rollator (PAIR; incl 2 wheels, 2 forks, 2 axles)