- Lower Frame Angle (2pc): A5
- Lower Main Frame Set:Q,Z
- Precision CNC Lower Head: BCX
- Metal Stabilizer Mount/Belt (Lower) Set: 600A, CF
- Lower Pinion Bearing:V
- Lower Main Blades: BCX
- Taper Collets,Lower:E,S
- Carbon Fiber Upper/Lower Main Frame, Black
- Lower Main Frames:E (2)
- Lower Frame Angle:A,B,AC,BC,AS
- Carbon Fiber Upper/Lower Main Frame, Silver
- Lower Frame Set (2pc): A5
- Taper Collet,Lower(B):S,Q
- CNC Lower Main Blade Grips: BCX
- CNC Lower Main Gear 106T: TREX 450X/XL
- Lower Frame Angle:E
- Lower Bearing Case: A5
- CNC Lower Main Gear Set 106T: TREX 450X/XL
- Taper Collet, Lower: V50
- Lower Frame Angles:Q,Z
- CNC Lower Main Gear Set 109T: TREX 450X/XL
- Carbon Fiber Lower Main Frame, Silver (2)
- Taper Collets,Lower:E,S,V,V9
- CNC Lower Main Gear 109T: TREX 450X/XL
- Carbon Fiber Lower Main Frame, Black (2)
- Aluminum Lower Main Frame, Gray (2)
- Lower Main Blade Set (2 pr): BCX
- CNC Lower Main Blade Grips, Blue: BCX
- Lower Gyro Mount MHETX4001: TREX 450X
- Lower Chassis Set - 3DXL
- Lower Main Frame:A,B
- Lower Rotor Head & Linkage Set: BCX
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