This is Overdose GALM Aluminum Rear Brace Mount Black. It is an essential item for GALM users who can obtain a significant increase in rigidity, tremendous traction, and a reliable front grip on entry by simply replacing the normal resin. Although it is plain, it is possible to greatly improve the rigidity in the roll and pitching direction by improving the rigidity of this part, an important part that supports the core of the chassis. The weight is a normal ratio + 3.0g and a lightweight finish.
*Photos for reference only.