Rider's Height In cmRider's AgeRim Size in Inches
85 - 100 2 - 4 Years Old 12"
95 - 110 3 - 5 Years Old 14"
110 - 120 5 - 7 Years Old 16"
120 - 135 7 - 9 Years Old 20"
135 - 145 9 - 11 Years Old 24"
145 + 11 + Years Old 26"