![Triumph BSA Unit Singles Renold Duplex Primary Chain - 60-0951](http://triumphsuperstore.com/cdn/shop/products/DSCN6702_480x480_c6501cae-b63e-4cb2-9208-6c890a07b5fb_{width}x.jpg?v=1561836780)
New O.E.M. Triumph & BSA Unit Singles Duplex Primary Chain.
Features 70 Links & is "Endless" which means it does not have a Masterlink as O.E.M. Fits most 250 & 350 BSA Unit Singles from 1959-1973. Also fits all Triumph 250 Unit Singles (Excluding Triumph Cub) (TR25W Trophy, T25T, Etc) from 1968-1972.