XL52A10 MR148ZZ Main Rotor Holder Bearing - 8 x 14 x 4mm (2)

XLPower Servo Horn For 520/550 (4) : XL52A19Futaba spline to fit standard size Futaba, Align, Savox, etc servos.Hole positions at 14mm, 17mm and 20mm

XLPower Battery Tray Puller : XL70V2B14

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

Battery Tray : XL55B27

This is a replacement XLPower Tail Feathering Shaft, suited for use with the XLPower 520 & 550 helicopters.

Landing Gear Strut (White) : XL55B10Includes: 2x Landing gear struts 4x Grub screws

Quick Release Canopy Mount : XL70V2B04-2

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