Hello, I can confirm that the bracket is included in the set. Greetings

Ok, I was able to answer the question myself after I had opened and read all the questions.

1x Gimbal Ronin-SC
1x BG18 handle with built-in battery
1x extension / tripod
1x quick release plate
1x camera holder
1x smartphone holder
1x Lens support
2x 8-pin connector cover
2x spanner
3x Camera screw 1/4"-20
4x M4 screw
1x Multi-camera control cable (Multi-USB)
1x Multi-camera control cable (type C)
1x USB cable type C
1x Multi-camera control adapter (Type C to Micro-USB)
1x Carrying case

according to nicfab0303 answer from 03/09/2019