The perfect motor for racers, clubs, and racing series

Thanks to positive feedback from customers, Reedy's Sonic 540-FT motor is now available in a 21.5-turn version! Because 21.5-turn motors are commonly used in GT and Formula classes, and emerging as the entry-level option for the Touring Car class, they are becoming increasingly popular among racers.

Eliminate the "motor-of-the-week" madness infecting the stock classes! Designed for performance and value, the Sonic 540-FT is the perfect motor for racers, clubs, and racing series that want to equalize performance among participants at an economical price.

Specifications:
Cells: 1-2S LiPo
Diameter (mm): 35.8
Length (mm): 51.8
Shaft Dia. (mm): 3.15
Weight (g): 175