IRC&&';;s best-selling M5B tire performance, but for smaller bikes. Developed to get the hole-shot. Works well with on wide range of track surface types and terrain FRONT IRC No. SIZE TREAD TYPE L.I. OVERALL DIAMETER OVERALL WIDTH T10001 60/100-10 iX-KIDS TT 32M 378 70 T10048 60/100-14 iX-KIDS TT 30M 476 69 REAR IRC No. SIZE TREAD TYPE L.I. OVERALL DIAMETER OVERALL WIDTH T10002 80/100-10 iX-KIDS TT 46M 420 92 T10029 80/100-12 iX-KIDS TT 50M 474 95