HOBBYWING Bluetooth OTA Programmer body screw or completely change spring tension

or completely change spring tension and stiffness by installing after market springs

The most important chapter of its wartime career

Simply remove the two bottom-mounted flathead screws and the bumper swivels out of the way for easy access to the rear A-arms

The "Caproni" were deployed by the Regia Aeronautica on various operational fronts in the Mediterranean and North Africa

and a two-piece

HOBBYWING Bluetooth OTA Programmer body screw or completely change spring tensionHWI30850400 OTA Programmer is a module which adopted the Bluetooth communication technology for transferring data between an ESC and a smart device (Android phone, tablet, and etc). It makes the wireless communication between ESC and smart device possible; the user can easily program and upgrade ESC and monitor data transferring via this unit. The OTA Programmer module works with the following products of HOBBYWING. Some of XERUN series & EZRUN series