Walkers, Rollators and Accessories Mobility & Daily Living Aids, Mobility Aids & Equipment, Nova, Replacement Wheels, Walker Accessories Nova Rollator Wheel for 4300/4900 (not for “JN” ser # models) Review by RoomPony June 25, 2018 No Comments Nova Rollator Wheel for 4300/4900 (not for “JN” ser # models)