Main Gear Hub (Pre-assembled) : XL55B21

Wire Mesh Guard (Yellow) : XL70A14-1

Tail Rotor Control Lever Screw : XL52T09-2

This is a replacement XLPower Feathering Shaft, suited for the XLPower 520 & 550 helicopters.Dimensions: 8mm x 81mm

Wire Mesh Guard (Black) : XL70A14-2 6mm Wire Mesh Guard?1Meter? 10mm Heat Shrinkable Tube?Length?15mm?1 PSC?

This is a replacement XLPower 106T Slant Thread Main Drive Gear, suited for the XLPower 520 & 550 helicopters.

This is a replacement XLPower Tail Control Guide, suited for use with the Specter 700 helicopter.

This is a replacement XLPower Rotor Head Linkage Rod Set, suited for the XLPower 520 & 550 helicopters.

This is a replacement set of XLPower Skid Pipes, suited for use with the XLPower 520 & 550 helicopters. Specification: Skid Pipe x2 End Plugs x4