GPM Racing - TAMIYA - T3-01 DANCING RIDER - T31239T Aluminum Rear Main Gear (39T-12T) 1pc
Them includes :
Product major function & usage:
Power transmission the vehicle
Made with a significant light-weight high tensile energy aluminum 6061 T6 for stable performance with great durability. Modern one-piece design is better and even more powerful.
Larger component - 39T
Smaller component - 12T