New O.E.M. Triumph & BSA Unit Singles Duplex Primary Chain. This chain is simply the best quality that money can buy! Equip your motorcycle with the same brand and quality chain that they supplied from the factory! 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 (C15, B40, C25, B25, Etc) from 1959-1973. Also fits all Triumph 250 Unit Singles (Excluding Triumph Cub) (TR25W Trophy, T25T, Etc) from 1968-1972. Please refer to your parts catalog for proper fitment.
*****Please note that this Chain will not work with the Triumph Cub! Check your parts books!*****
•Made by Renold
•O.E.M Part number is 60-0951, D0951, 40-0244 or 19-8613