H70G013XXT 105T M1 Heli Auto Tail Drive Gear Set
* Use for T-REX 700X/760X/800E
* Brand new high drive gear ratio is designed especially for F3C & slow 3D flight with superior tail lock and precise flight performance. (Suitable for head speed at 1900RPM)
* To make sure to get the best effect, it must be used with whole set.
* Gear Ratio 1:5.25

* 105T M1 Autorotation tail drive gear set x 1
* 20T M1 Front drive gear assembly set x 1