●This new main gear is great for the balance. New super strength plastic-steel material, multinational patent design, light weight, and special cooling blade design is good for lowering the temperature of electronic equipment and motors. It can efficiently increase the wind flow.

Specification:
●Use for T-REX450 XL/CF/SE/S(tail drive gear 25T)
●Autorotation tail drive gear(106T) x 2
●Weight:8.5g/pcs