Of a kind used exclusively in bicycles or cycle rickshaws

73.15 - Chain and parts thereof, of iron or steel. - Articulated link chain and parts thereof : 73 15.1 1 - - Roller chain - - Other chain 7315.19 - - Pasts 73 15.20 - Skid chain 7315.12 - Other chain : - - Other, welded link 7315.89 - - Other 73 15.90 - Other parts 73 15.82 This headin covers chains of cast iron (usually malleable cast iron), wrought iron or steel, regardless o their dimensions, process of manufacture or, in general, their intended use. f It includes articulated link chain (e.g., roller chain, inverted tooth ('L silent ") chain and Galle chain), non-articulated link chain including stud-link chain (whether forged, cast, welded, stamped from sheet or strip metal or made from wire, etc.), and ball chain. The heading includes : (I) Transmission chains for cycles, automobiles or machinery. (2) Anchor or mooring chains; lifting, haulage or towing chains; automobile skid chains. (3) Mattress chains, chains for sink stoppers, lavatory cisterns, etc. All these chains may be fitted with terminal parts or accessories (e.g., hooks, sprin hooks, swivels, shackles, sockets, rin s and split rings and tee pieces). They may or may not e cut to length, or obviously intended or particular uses. % f Iron or steel parts of chains s ecialised as such e. ., side links, rollers, spindles, etc., for articulated cham, links and shac es for non-articulate chain, also fall in this heading. E g The heading does not cover : (a) Chains havin the character of imitationjewellery in the sense of heading 71.17 (e.g., watch chains and trinket chains?. @) Chains fitted with cuttin teeth, etc., and used as chain saws or cutting tools (Cha ter 82), or other articles in which chains p ay a subsidmy role such as bucket chains, conveyor hook c ains or stretchers for textile finishing. f (c) Door guards fitted with chains (heading 83.02). (d) Surveying chains (heading 90.15). R