8″ x 2″ (200 x 50) Heavy Duty Front Caster Wheel (Each) for Jazzy, Pride, Jet Power, Medline, Drive and ALCO Wheelchairs. Firm Tread for Easier Rolling (Black). 5/16″ (8 mm) Bearing, 2-3/8″ (60 mm) Hub Width. Please measure Bearing and Hub Width. For California residents only: ⚠ WARNING: Cancer and Reproductive Harm – www.P65Warnings.ca.gov 8″ x 2″ Heavy Duty Black Front Wheelchair Wheel Hard Tread Solid Black Tire for Easier Rolling. Solid Rubber (Not Foam Filled) 2-3/8″ (60 mm) Hub Width, 2-3/8″ (60 mm) Hub Width Fits Most Jazzy, Pride, Jet Power, Medline, Drive and ALCO Wheelchairs