Gemfan’s new 1.6″ (40mm) bi-blades are a direct replacement for the HappyModel Mobeetleor theHappymodel 1S Mobula 7but also work well on all quads that spin 40mm props!

Check out all our Micro Propsand the rest of ourGemfanand HappyModel collections!

Specification

• Propeller Diameter:40mm
• Pitch: 1
• Shaft: 1.5mm
• Blades: 2
• Material: Poly Carbonate
• Hub Thickness: 5mm
• Weight: 6.4g

Includes

• 4xHappyModel Gemfan 1610 Bi-Blade 40mm Micro/Whoop Prop