There isn’t a company more dedicated to cycling than Sram. From the crisp instant shift of their trigger shifters to the way the chain glides smoothly and effortlessly across their PowerGlide II Cassettes. Founded in 1987 their philosophy then and now is to simply make cycling better. If your not part of the revolution yet, then chances are you will be. For 2010, th Sram PG-990 9 Speed Cassette – Colour gives you option to truly ”Design your ride”. With an array of different coloured components, customising your bike couldn’t be easier!