This is an original Avail mechanical brake knob for the ABU Ambassador 2500C.
Color coordinate with spools, retainers, handle nuts, knob caps, etc.
Besides the Ambassador 2500C, it is also compatible with 1500C, 1600C, 2600C, 3500C, etc.
Remove the original mechanical brake knobs and transfer the adhesive parts to this product.
Square plate made of copper. Please keep the original parts that you remove them from being lost.