A bike chain usually slips because the chain is worn, the cassette or chainring teeth are worn, the derailleur is out of ...

Derailleurs are the transmission of your bike. When you shift, they guide the chain to the correct gears. Whether you’re fixing a particular problem with your chain or simply giving the system a ...

The Chain Monkey is a tool to help set the correct motorcycle chain slack during a chain adjustment. It’s made from plastic with an adjustable metal screw. Follow the instructions in the kit and set ...