A quick definition: A fixed-gear bicycle (or fixie), like the very first safety bicycles introduced in 1885 by John Kemp ...

Pedal forward or backwards and the bike goes forward. This project started off as any old cruiser with a free-wheeling rear hub. To pull off this mod a second free-wheel and sprocket had to be ...

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 ...