Spirit uRX Formula R1 AK420 HDX Helicopter Kit –

AK420 HDX Helicopter Kit – Precision Meets Performance in 420-Class

they are perfectly fit for the Micro-B

What you get is straight-to-action design that delivers on ARRMA's wild streak

In either fuel tank form

these blades have a steady performance also in the very hard 3D maneuvres

Spirit uRX Formula R1 AK420 HDX Helicopter Kit –Spirit RX is brand new Receiver for R C aircrafts featuring top notch technology with a compact form factor. It can be connected to any model, including all Spirit units offering full Integration with Wave Ecosystem. Receiver Spirit Wave 2. 4Ghz full range telemetry receiver Full featured 30+ channels available Blazing fast 333 Hz transmission High interference immunity BEC Voltage measurement Features Gold plated PCB with Pb Free soldering JST GH