Search results

...t a [[freehub]]) use the [[momentum]] of the bicycle and rider to keep the chainwheel turning even if the rider makes no attempt to pedal in a circular motion.

...ed by the larger cogs. Efficiency generally decreases with smaller cog and chainwheel sizes. It is possible to get almost any combination of chainwheel sizes and cog sizes, but it is much cheaper to use standard combinations.

Coaster brake bicycles are generally equipped with a single cog and chainwheel and use a ½" chain. However, there have been several models of coaster br