Tensioning a motorcycle chain is usually done by hand without any real way of knowing it has been set correctly. It may also need re-adjusting several times until the tension of the chain ‘feels right ...

It's dirty work, adjusting motorcycle chains. At least, it is on my bike, which gets cleaned exactly as often as it rains. There's also a bit of back and forth trying to get the right amount of chain ...

Frictional belt drives reliably transmit power from source to load without asking much in the way of upkeep. Their modest needs stem from the fact that belts elongate through normal use and wear. The ...