Kids Motocross iX-KIDS. New generation of rubber compounds and tread designs. IRC's best-selling M5B tire's performance, but for smaller bikes. Developed to get the hole-shot. Superior traction in varying conditions. IX05H outstanding performance on hard to intermediate terrain. Works well with on wide range of track surface types and terrain. Tire Specifications: Type: TT. L.I.: 50M. Overall diameter (mm): 474. Overall width (mm): 95. Standard rim (inches): N/A. Measurement rim (inches): N/A.