Quick view Wishlist BetaFPV Betafpv X Gemfan 40mm 4-Blade Propellers (1.5mm Shaft) $4.00 BETAFPV and Gemfan together launches these efficient and juicy looking props. These Gemfan 40mm props are efficient and they have shaft holes of 1.5mm. So it could fit the 110x motors perfectly. They are the stock props for Beta75X 2S Whoop drone... Add to Cart