{"version":"1.0","type":"link","title":"Simpson chain - Newikis","description":"The Simpson chain or Simpson lever chain was an English-made bicycle chain invented by William Spiers Simpson (died 1917) in 1895. The design departed from the standard roller bicycle chain: it was composed of linked triangles forming two levels. The inner level was driven by the chainring and the…","provider_name":"Newikis","provider_url":"https://newikis.com","cache_age":86400,"thumbnail_url":"https://thumb.wikimedia.org/wikipedia/commons/thumb/5/5e/Btv1b8433329b-p089.jpg/1280px-Btv1b8433329b-p089.jpg","thumbnail_width":1280,"thumbnail_height":983}