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Bicycle chain wear (elongation)

Bicycle chain wear ("stretching")

Updated: 10/10/2020. This post will explain how exactly a bicycle chain gets worn and what happens with it as it wears. First things explained will be the chain construction and chain pitch so that explanation of chain wear can more easily be understood. A separate post explains how to measure wear and when to replace … Read more

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Bicycle chainline

Bicycle chainline

Updated: 22/11/2020. This post explains what bicycle chainline is. Why is it important? How is it measured? How to set a “correct” chainline? Contents: What is a bicycle chainline? Why is bicycle chainline important? How to measure bicycle chainline3.1. Measuring front chainline3.2. Measuring rear chainline How to set a correct chainline?4.1. Front chainline adjustment4.2. Rear … Read more

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Chain length sizing for bicycles with derailleurs

Optimal chain length for bicycles with a derailleur (multi-geared bicycles)

Updated: 28/03/2021. It is often asked: what is an optimal chain length for a bicycle with derailleurs? Should a new chain be shortened and how much? That is answered in this post. For single speed bicycles (or bikes with internal gear hubs), see: Determining optimal single speed chain length. 1. Bicycle drive chain length A … Read more

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How to lubricate a bicycle chain

Bicycle chain lubrication - how to lubricate a bicycle chain, why is that important, bicycle chain wear...

Updated: 19/03/2021. This post will explain basic things about bicycle chain maintenance. First there will be a few words about chain function, as well as chain and chainring wear, then chain cleaning techniques, followed by chain lubrication methods. Finally it will give some rough recommendations of chain lubricants. For detailed explanation of various chain lubricant … Read more