Dimension standards for bicycle driving chains. Pitch, inner and outer widths of single, and multi-speed bicycle driving chains.
Which bicycle chains can be combined with which number of “speeds” i.e. number of rear sprocket systems. Single and multi-speed
How to lock a bicycle – so that it is secure and is not easily stolen. Explanation of locking techniques that work best, making it very hard for the thieves
Bicycle locks – what types of locks are made and how to choose a secure bicycle lock. Is one good lock better than several poor ones?
Chain wear and lubrication explained. What is the best bicycle chain lube? How to clean, and lubricate it? How often?