My mountain bike has 3 sprockets in the front and 7 in the back. Whenever I use the center sprocket in the front there is a clicking sound. I cannot identify exactly where it is from, I don't see the chain contacting anything it shouldn't so I assume it's sections of the chain "clicking" into the sprocket teeth at certain points in the rotation. I have no idea if this is accurate, it's the only logical explanation I have at this point.
I just adjusted my front derailleurs min/max limit and shifting cable. So it should be set-up correctly. I have non issues in the lowest and highest front gear. Would anyone know why my bike makes sound while using the middle front sprocket?