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?
Bicycle gear ratios (“speeds”) explained. What are “gear inches”? What are the needed gear ratios for climbing, downhill. What to pay attention to.
Chain wear and lubrication explained. What is the best bicycle chain lube? How to clean, and lubricate it? How often?