Designed for casual urban commuting. The Kenda Kwick Trax is the ideal wheelchair tire for all types of weather! Light-weight tire for active lifestyle wheelchair users! Continuous center tread pattern designed for added speed and easy pushing. Numerous water sipes and channel dispersion grooves for better grip in wet weather. Sizes: 24×1 (25-540) 24″ x 1 3/8″ (37-540) and 25×1 (25-559) Colors: Black Grey w/ Black sidewall 110 max psi Sold Individually (1).