tender for simplex roller chain part no. 1 1/2 pitch simplex bss roller chain with connecting link confirmwith connecting link confirm to din 8187/bs228 (1chain consists of 53 links), (length of one link = 38.1mm)(length of one chain = 53 x 38.1 = 2019.3mm, acceptable make-rolon/renold/simplex make only.