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2. Silca - Wikipedia

   en.wikipedia.org/wiki/Silca

   Silca [1] is a cycling parts and accessories manufacturer. They were founded in 1917 by Felice Sacchi just outside of Milan, Italy. SILCA has been an innovator in many aspects starting by being the first company to put gauges on pumps, [2] the first to create a high pressure frame pump, [3] and more recently the first to have a valve controlled CO 2 inflator. [4]

3. Motorcycle components - Wikipedia

   en.wikipedia.org/wiki/Motorcycle_components

   Small budget motorcycles may have a totally enclosed drive chain, but this is rare on larger motorcycles, an exception being the Norton rotary bikes. To prevent rapid wear of the chain and sprockets, it is customary to apply an adhesive petroleum, graphite or silicon based composite chain-lube via an aerosol.

4. Motor oil - Wikipedia

   en.wikipedia.org/wiki/Motor_oil

   A significant factor in their gain in popularity was the ability of synthetic-based lubricants to remain fluid in very low temperatures, such as those encountered on Germany's eastern front, which caused petroleum-based lubricants to solidify owing to their higher wax content. The use of synthetic lubricants widened through the 1950s and 1960s ...

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. X-ring chain - Wikipedia

   en.wikipedia.org/wiki/X-ring_chain

   Like the O-ring chain it has sealing rings which keep the contaminant (dirt) out, and lubricant in between the pins and bushings. This is known as internal lubrication. However, unlike O-ring chain, it has X-shaped seal which does not experience increased surface area (which is in contact with the chain plates) when under pressure.

7. Roller chain - Wikipedia

   en.wikipedia.org/wiki/Roller_chain

   Roller chain and sprocket The sketch of roller chain, Leonardo da Vinci, Codex Atlanticus. Roller chain or bush roller chain is the type of chain drive most commonly used for transmission of mechanical power on many kinds of domestic, industrial and agricultural machinery, including conveyors, wire- and tube-drawing machines, printing presses, cars, motorcycles, and bicycles.