Horizon Hobby

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Overview

Overview

The 540-M4 Driver Edition is technically identical to the standard 540-M4, but is instead equipped with the popular #27447 rotor. This rotor is the lowest strength option, which is reported to improve throttle feel and consistency, resulting in better overall race times. Four versions featuring the most popular “dirt” winds will be available initially, with the potential for more to follow.

All Sonic 540-M4 versions are ROAR, EFRA, BRCA, and IFMAR approved. Visit www.reedypower.com for a complete list of tuning rotors, replacement/option parts, and detailed specifications.

Specs

Product Specs

Bushing Or Bearing
Bearing
Input Voltage
1-2S LiPo
Motor Size
540
Motor Type
Brushless
Outer Diameter
1.41″ (36 mm)
Product Length
1.98″ (50 mm)
Product Weight
5.99 oz (170g)
Shaft Diameter
0.12″ (3 mm)
Turns
6T
Weight 5 kg