Unleash upgraded power without sacrificing fit. The O.S. Max .55 AX delivers .50 scale muscle packed into a .40 size envelope. Its redesigned carburettor and muffler boost performance and ease, featuring a rear-angle needle valve for convenient tuning and a squared-off muffler for hassle-free cowling installation. Take your flights to the next level with the .55 AX - power, precision, and ease, all in one.
Features
Comes with the E3071 muffler for quieter efficiency
Compact design means it has the same mounting dimensions as the O.S. Max .46 AX
Power Box positionable muffler
Angular head design offers increased surface area for better cooling