Hacker A60-14 L V4 kv192 Brushless Motor (with long shaft) 33726625Hacker A60 14 L V4 kv192 Brushless Motor (with long shaft) 33726625 With the new V4 version we bring our popular A60 motors to a new level. A new designed cooling fan for better cooling, and new larger ball bearings make the A60 Outrunner motors more efficient and robust in daily operation. The A60 XS and A60 S series are designed only for Back mount Assembly. The A60 M and A60 L series can built in as a front mount, or with the optional motormount