New answers tagged mechanical
The chain has to go pretty straight. The position you put it in - from big to big - is actually not the right position, so you should avoid this. But for the theory of your question: the derailleur leads your chain. While you pedaling the right way forward, rear derailleur leads the chain to rear cogs, and front derailleur to the chainrings. But when you ...
Top 50 recent answers are included