Retracts Gear Mounts (Φ5.0) x3 One-way Air-pressure Control
The landing gears open by a spring control and retract by the air pressure
Air retract mount size: L90 x W42 x H25mm ² Application: for class 60-120 airplane (wing span 1.6m-1.8m, fly weight 6~7kg)
Net weight: 214g..