New Regina 530x104 chain. This is a very good Italian motorcycle roller chain. 

We have hundreds in stock, the box you get may not be as nice as the one in the photos, BUT the chain will  be brand new in an unopened bag inside the box

Here are some of the models and years that this chain will fit: (please check that it is correct for your individual application)

CB650 80-81
CB650C Custom 80-81
CB650SC Nighthawk 1982


Suzuki
GT380 72-77 

Yamaha
SR500 78-82
XJ550 Maxim 81-83
XJ550R Seca 1981
XJ550R Seca 82-83
FZ600 86-88