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Some have been less visible, but just as important, including clipless pedals, cyclecomputers, indexed shifting. Some of them have been conspicuously visible, such as the development of mountain bikes, disc wheels, new handlebar designs.
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The past fifteen years have seen many revolutions in bicycle design. I might as well finish here with a quote from a philosopher whose writings helped spark the French Revolution. Belt drive is sometimes put forward as a solution, but it has its own problems and limitations. All derailer chains and most single-sprocket chains run bare, exposed to dirt. In the 21st century we are beginning to see high-impact molded plastic chain cases, rather than the complicated sheet-metal assemblies of old.Ĭhain cases have been marketed only for single-sprocket utility bicycles, they are an extra-cost item and they add weight and complication.
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High-end Raleigh Industries three-speeds were available with a full chain case as late as the 1950s, and their chain life was impressive. On the other hand.the Sunbeam oil-bath full chain case solved the problem in 1908. The problem becomes religious because it addresses mysteries of existence, life and death (of chains.) to which there is no clear and obvious answer - as long as the chain is exposed to dirt. I hope you will extend me the same courtesy. If you disagree with them, I won't call you a fool or a villain, you may be right.
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This article is based on my personal and professional experience and my own theories. This is sometimes considered a "religious" matter in the bicycle community, and much vituperative invective has been uttered in this regard between different schismatic cults. Experts disagree on this subject, sometimes bitterly. As a result, everybody's advice about chain maintenance is based on anecdotal "evidence" and experience. Because there are so many variables, it has not been possible to do controlled experiments under real-world conditions. Chain durability is affected by riding style, gear choice, whether the bicycle is ridden in rain or snow, type of soil in the local terrain, type of lubricant, lubrication techniques, and the sizes and condition of the bicycle's sprockets. Chain maintenance is one of the most controversial aspects of bicycle mechanics.