● Use for T-REX 600N/600E/550 ● Utilizes newly developed, highest spec and superior anti-wear material to increase the overall strength and durability for torque tube drive gear. Effectively minimize gear striping and crash damage. ● Must with Autorotation Tail Drive Gear set(H60020AA)
Specification: ● 600 Front drive gear assembly x 1 ● 600 Long umbrella gear x 1 ● 600 Short umbrella gear x 1