24 Inch Replacement Rear Wheels For Wheelchair. Compatible with most standard or manual wheelchairs. 2 wheelchair wheels. Axle Screws x2. Bearings 1/2 “(12’mm). Material polyurethane. Wheel OD : 24 “ (59cm). Wheel width: 1 1/16”(2.7cm). Model: 24 x 1 3/8.