When shopping for chainrings or upgrading the drivetrain or crankset on your mountain bike, you will often need to know the chainline to determine the type of chainring offset you need. Chainline ...

Chainrings are probably the least glamorous component in a drivetrain, but upgrading to a smaller one is something everyone should do. While cassette ratios are relatively fixed – most 12-speed ...

Confused about gear ratios and what the numbers used for the different gear ratios mean? Mat Brett explains all and how to ...