


Would a bike repair shop help me find this missing piece? (the missing piece that has been circled in black)
1st image is my rear brake
2nd image is the replacement piece for the missing black piece. the front breaks kinda-ish works but the rear breaks are a strong one.
3rd image is the rear side
I was tempting to buying a replacement for it (recommend by gemini because I didn't know what the missing piece was called)