Chain Sizes

Orion:

21A70 = 420
21A-110 = 420
21G 125 = 420
21X 125 = 420
XG 125 = 420
RXB 90 & 125 = 420
XS 125 = 420
RXB 250 = 520

 

SSR:

SR70 , 110 & 125 = 420
TR Series = 420
TX Series = 420
SR150 = 428 x 124 L
SR189 = 520 x 106 L