on much older bikes you may see them on the downtube. By using the shifters, you can change gears by altering the chain's position across the different cogs and chainrings. To change gear ...

The Specialized Bicycle Vado and Como IGH E-Bikes have a protective chain guard that does not cover the belt drive. The CPSC ...

A motorcycle’s chain and sprockets may, at first glance, seem like slightly old-fashioned bicycle technology but are actually one of the most sophisticated bits of kit on your bike. There are O ...

Especially regarding the drivetrain, almost all bikes use a chain, a freewheel, and a derailleur if there are gears to shift because these parts are cheap, reliable, and easy to repair.

This recall involves Specialized Vado and Como IGH e-bikes with chain/belt guards. The recalled e-bikes have an internal gear ...