Wheelchairs, Mobility Scooters and Accessories Accessories & Parts, Mobility & Daily Living Aids, Mobility Aids & Equipment, Primo, Tires & Wheels 2.80/2.50-4 Solid Foam Filled Tire – Ribbed Tread – Primo Spirit Review by RoomPony July 4, 2018 No Comments Brand new, high quality tire. Fits multiple makes and models. Please check your current tire to confirm the size. More Brand new, high quality tire. Fits multiple makes and models. Please check your current tire to confirm the size.