Aero Pack Aluminum Quick Change Motor Retainer Assembly, 54mm Flange APK RA54
Flange on the retainer body that attaches to the lower centering ring instead of bonding to the motor mount tube
Stainless steel socket head screws and threaded inserts are included
Flanged motor retainer assemblies have screw on caps for fast, tool-free motor change
Minimum airframe ID`s are as follows: RA54 = 3.000" min
Also Includes the top retaining ring
Made in the USA