Schwalbe SpeedAir HS 343 Wheelchair Tires are designed for the indoor sports specialist. This exceptionally nimble tire runs easily. The center tread is asymmetrically designed to match the wheel camber angle of indoor wheelchairs. Part of Schwalbe's Performance Line, SpeedAir Tires are excellent for intensive use. Hand-friendly tires feature smooth sidewalls and glide past the hands. Sold by the Each.