26"x2.1" Olive/Brown Gravel King SK Bicycle Tire Drive Medical Aluminum Rollator (728 - R728) If you are looking for

If you are looking for the belt sprocket version of this motor

the Michelin 140/70-14 City Grip series gives precise control in all weather conditions as well as excellent mileage

For a perfectly compatible substitute you need to order the Motor

This is the original style bracket that was used with the wire baskets

26"x2.1" Olive/Brown Gravel King SK Bicycle Tire Drive Medical Aluminum Rollator (728 - R728) If you are looking forFive rows of equally spaced square knobs sandwiched between double rows of continuous ridges provide an extremely smooth rolling tire with unmatched grip. Perfectly suited for rough or gravel roads as well as shooting off course to explore single track. Anti Flat casing technology helps prevent flats from punctures and debris without the extra weight of an added belt. Panaracer: RF2621 GKSK OG D