Reedy 540-M4 Mod Rotor 12.5 x 7.25 x 25.3

Description

This Reedy 12.5×7.25mm 540-M4 Mod Rotor is a great way to fine tune your Sonic 540-M4 motor to adapt to varying track conditions and applications. Available in an assortment of optional rotors, each laser etched with its specification and part number for easy identification and technical inspection.