The sizes available are 16x16, 18x16 and 20" wide. On sale for $409.99 They are tax free. Sunquest Mobility 618 6th. St. New Westminster BC V3L 3C4 Tel: 778-397-8083 Fax: 778-397-8138 Hours Monday - Friday 9 - 5 Saturday 10 - 4 http://www.sunquestmobility.com/ We have batteries and tires for your scooter. Power chairs, mobility scooters, rentals, wheelchairs, Shoprider, Invacare, Fortress, Quantum, new, used, bathroom safety, canes, crutches, rollators, walkers, toilet seat, batteries, tires, tubes, bed rails, grab bars, safety equipment, compression socks and walking casts We sell new, used and rent. We deal with DVA, ICBC, Blue Cross and private insurance companies.