APC 21.5x13 Carbon Fiber Electric Propeller "9 to 9.9" 83" (21mm) diameter round horn

83" (21mm) diameter round horn

Both versions handle up to an impressive 14S without brake enabled or 12S with brake

4 Black rubber grommets

target marking

4 GHz Direct Sequence Spread Spectrum (DSSS) and multiple Frequency-Hopping Spread Spectrum (FHSS) technology which allows a strong anti-interference capability

APC 21.5x13 Carbon Fiber Electric Propeller "9 to 9.9" 83" (21mm) diameter round hornAPC 21. 5x13 Carbon Fiber Electric Propeller LP21513EPNC APC propellers are high quality, competition proven propellers without the high quality price tag. Perfect for various prop driven RC aircraft. Includes: One 40% Carbon 60% Nylon black propeller One set of adapter rings that adapt to different motor shafts One instruction sheet Optional: All propellers should be balanced before use. We recommend using the Dubro Tru Spin Propeller Balancer