REMO Hobby Short Course Truck 1/10 RC 4WD Adult Racing Cars High Speed Buggy Off Road Vehicles Model Remote Control Car Kid Gift

A is a mixed carbon version, B is a high-profile version Their difference is:

1. The swing arm of the high-end version is made of nylon, and the mixed-carbon version is made of mixed-carbon plastic;

2. The shock absorber of the high-end version is made of metal, and the mixed-carbon version is made of mixed-carbon plastic.