Feature 

Ultra light unique design

High performance standard digital servo

Strengthen high chrome steel shaft

Extra strong patent steel gears

Super strong three ball bearings

High efficiency bruhless motor

Programmable digital circuit

Full CNC Aluminium hulls and structure

Ideal for 1/10, 1/8  on road, off road, truck, plane, helicopter and engine etc

Specification

A81BHM

Operating Voltage: 4.8-8.4 V

Operating speed: 0.115sec/60° @ 6.0V

Operating speed: 0.100sec/60° @ 7.4V 

Operating speed: 0.085sec/60° @ 8.4V 

Stall Torque: 34 kg-cm (473 oz-in) @ 6.0V

Stall Torque: 39 kg-cm (542 oz-in) @ 7.4V

Stall Torque: 45 kg-cm (626 oz-in) @ 8.4V 

Gear: Steel

Motor: BLS

Size: 40*20*37.2mm (1.57 x 0.78 x 1.46 in)

Weight: 83g 

Connector Wire: JR 300 mm