Bicycle chain
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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
Bicycle chains
Bicycle chain laying in melted pure paraffin wax without additives. The sticky film indicates that the wax is about to solidify, and that the chain should be taken out.
Chain tool
Removed chain pin (rivet) alongside a chain breaker with the bicycle chain still secured in the tool.
Bar-link chain
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A bar-link chain, also called a block-and-bar chain or a block chain, is a mechanical drive chain. It is composed of side plates, where each plate straddles one end of a block and is connected to the
Bicycle chain
…or alloy steel, but some are nickel-plated to prevent rust, or simply for aesthetics. Obsolete chain designs previously used on bicycles included the block chain, the skip-link chain, and the Simpson lever chain. The first chains were of a simple, bushing-less design. These had inherent reliability problems and…
Block chain on a bicycle by Laurin & Klement, exhibited at the Škoda Muzeum
Bicycle chain of the bar-link or block chain type on safety bicycle in a vintage (c1900) photograph