Miniature check valves provide vital link in chain lubrication

摘要

If you are looking for a good example of elite success at major sporting events prompting people to participate, cycling would be high on your list. Whether for exercise, enjoyment, as part of a daily commute, or at a competitive level, the figures confirming the growth of pedal-power are impressive. It's estimated that around 2 million people in the UK now cycle at least twice a week. At a competitive level, British Cycling, the sport's governing body reports that in 2005 it had 15,000 members, today that figure is 140,000.