Chain, rear, 110054, narrow 520, con link, Renolds Synergy

Rear chain joiner / connector spring clip/  link (connecting link), 520, 5/8 x 1/4 in, Renolds Synergy. The original rear chain fitted to Nortons 1928 to 1945; 1946/7;1949/51; 1952/53; 1954/56.  Use any other chain on a Norton and risk wearing away the primary case, chain guard and gearbox shell..  Renold Synergy chain lasts up to 6 times the life of other brands see Renold synergy website
10B-1RN S NA Cl 26 GY10BINAS26I