Resources:
RK Excel Takasago Chain
http://www.rk-excel.co.jp/
Renthal
Renthal, manufacturers of Handlebars, Chainwheels, Chain, Grips and Pads for road, sport, street and offroad motorcycle applications.
http://www.renthal.com/
Regina
Home page for Regina site.Regina Industria ranks among the world leaders in the production of chains for industrial applications.
http://www.regina.it/
D.I.D. Racing Chain
http://www.didchain.com/
Scottoiler España
Productos para engrasar automaticamente las cadenas de las motos & bicis.
http://www.scottoiler-es.com/