Main gear case x 1
One-way bearing HF0612 x 1(Φ6xΦ10x12mm)
    INA Made in Germany
Cross screw x 4(M2x4mm)

This is using the same separate type design of TREX600,
easy to replace the gear by removing four screws, no need
to remove the one-way bearing.
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.
     Use for TREX450 XL/CF/SE/S(tail drive gear 25T)

3 per pac  , 1 low price ...how do they do it ? ;)

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.
Use for T-REX450 XL/CF/SE/S

Align Part # - HZ026T
One Way Bearing Shaft

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.
Use for T-REX450 XL/CF/SE/S(tail drive gear 25T)

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.
Use for T-REX450 XL/CF/SE/S(tail drive gear 25T)

Metal Tail Drive Gear Assembly