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2. Bicycle chain - Wikipedia

   en.wikipedia.org/wiki/Bicycle_chain

   Bicycle chains Roller chain and sprocket. A bicycle chain is a roller chain that transfers power from the pedals to the drive-wheel of a bicycle, thus propelling it.Most bicycle chains are made from plain carbon or alloy steel, but some are nickel-plated to prevent rust, or simply for aesthetics.

3. Cold-weather biking - Wikipedia

   en.wikipedia.org/wiki/Cold-weather_biking

   A bicycle set up for winter commuting with metal-studded tires, an enclosed chain case, and enclosed drum brakes. A winter cyclist wearing a full face helmet and goggles. Cold-weather biking , cold-weather cycling , or winter biking is the use of a bicycle during months when roads and paths are covered with ice, slush and snow.

4. Dry lubricant - Wikipedia

   en.wikipedia.org/wiki/Dry_lubricant

   Reciprocating motion. A typical application is a sliding or reciprocating motion that requires lubrication to minimize wear, as, for example, in gear and chain lubrication. Liquid lubricants will squeeze out while solid lubricants do not escape, preventing fretting, corrosion, and galling. Ceramics.

5. Self-lubricating chain - Wikipedia

   en.wikipedia.org/wiki/Self-lubricating_chain

   After they made further improvements to the oil impregnation and sintering technologies, they received a patent for their lube-free roller chain, as evidenced by Patent #JP20070237969. [5] In the new design, advancements in powder metal bush technology allowed engineers to design a bush that had a smaller diameter yet was stronger, which ...

6. Lubricant - Wikipedia

   en.wikipedia.org/wiki/Lubricant

   A lubricant (sometimes shortened to lube) is a substance that helps to reduce friction between surfaces in mutual contact, which ultimately reduces the heat generated when the surfaces move. It may also have the function of transmitting forces, transporting foreign particles, or heating or cooling the surfaces.

7. Gear case - Wikipedia

   en.wikipedia.org/wiki/Gear_case

   A gear case, also known as a chain case or chainguard, is an enclosure for the bicycle chain and sprocket assemblages commonly employed by utility bicycles. It serves to protect the cyclist from being soiled or trapped in the chain rings and tends to fully enclose the drive train. It may also contain an oil bath to keep the chain lubricated.