Manufacturer Description

This is an optional Align Autorotation Tail Drive Main Gear, and is intended for use with the Align T-Rex 450 XL, CF, SE, S (tail drive gear 25T) and Pro. This tail drive gear will provide great balance and the super strength plastic-steel material is light weight at 8.5 grams, while the special cooling blade design helps to increase airflow, lowering the temperature of electronic equipment and motors.