EMAX ST330 Four-Rotor Aircraft Frame Kit

The EMAX ST330 is a compact 330mm wheelbase four-rotor aircraft frame kit designed for DIY mini quadcopter builds. The ST330's small footprint makes it ideal for indoor flying, proximity FPV, and lightweight aerial builds where agility and portability matter. Lightweight construction keeps your all-up weight low while providing the rigidity needed for stable, responsive flight.

330mm wheelbase — compact four-rotor frame for mini quadcopter builds
Lightweight and rigid construction — agile platform for indoor and proximity FPV flying
Versatile component compatibility — accommodates a range of mini motors, ESCs, and flight controllers
Portable and compact — easy to transport for field and indoor flying sessions
Genuine EMAX ST330 — proven compact frame for DIY mini quadcopter builds

A compact, agile foundation for DIY mini quadcopter builds. The ST330's 330mm wheelbase keeps your build small, light, and ready for indoor or proximity FPV flying.