• Fits all 20 mm BL motors with 2.3mm shaft • Aluminum gear housing – no more broken gear housing • Built-in cooling fins – no more overheated motors • 10mm x 10mm mounting box – fits most planes designed with GWS gearboxes • Multiple gear ratios - 6.6:1, 5.3:1 & 4.4:1 gears included • Dual ball bearings with hardened shaft – efficient and durable operation • Aluminum prop adapter included
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