Ignoring the International Cycling Union‘s mostly arbitrary rules for what a bicycle is “supposed ... almost all bikes use a chain, a freewheel, and a derailleur if there are gears to ...

The chain is then placed onto ... This, the patent says, means wear on the tyre and cassette “may be greatly reduced”. “In addition, the bicycle may be quickly and easily installed on ...

His son Johnny complained that when he rode his bicycle to school the cobbled streets made his bottom sore. Dunlop solved his son's problem by inventing a pneumatic tyre, but then it became clear ...

Instead this is a bicycle ... the chain would be completely enclosed for better retention of lubrication, and the wheels would be designed to have strips of salvaged tyre attached to them.