Includes: 1* Rear Belt ldler Pulley2* Baring 3*7*32* Spacer 3*5*81* Spacer 3*5*0.5 Use for: Nimbus Nitro Nimbus 550 Nimbus 550 V2

Use for: Nimbus Nitro Nimbus 550 Nimbus 550 V2

Includes: 1*Tail Case1* Ball Bearing 5*13*41* Flange Bearings 5*13*44* Button Head Screw M3*52* Hex Screw M2.5*51* Hex Screw M3*30 Use for: Nimbus Nitro Nimbus 550 Nimbus 550 V2  

Included: Tail boom * 1 Use for: Nimbus Nitro Nimbus 550 Nimbus 550 V2

Includes: 1* Motor Mount Upper4* HexScrew M3*84* Washer 3*8*1