Upgraded Material: Made of aviation-grade 7075 aluminum, CNC precision machining
ESC Compatible: Stock ESC, MAX4, MAX5, Castle Cobra HV
When installing ESC in the center, you need to install the bottom bracket; if installing it in the rear, you don't need the bottom bracket and can install it directly.
Requirements: All packaging accessories are pre-assembled, and it is recommended to use medium-strength screw glue to ensure stability and prevent loosening.