The purpose of this study was to design and analyze the loading of the modified rim strength (cast wheel type) on the motorcycle. The method used is to use SolidWorks software, loading simulation analysis performed with 3 variations of the rim model and three (3) variations in the number of spoke (8, 6, and 4 spoke) at a speed of 70 km/hour. Research results show almost all the modified rim models (cast wheel type) were analyzed get a safety factor score included in the category of safe to use, except the rim of model A with 4 spokes. Modified rims (cast wheel type) model A with the number of spoke 4 obtain the largest maximum stress value of 3.157 × 108 N/m2, while the smallest maximum stress value is obtained on the rim of model C with the number of spoke 4 which is equal to 2.753 × 108 N/m2.