A quick definition: A fixed ... butter’ track spanner. Fixies tend to be lighter than comparable geared bikes because they’re missing a lot of the usual parts: derailers, gear shifters ...

Instead, the riders sport bike-messenger chic ... it resembled in function if not form the banked tracks on which fixed-gear track bikes compete. The action moved to the infield of the velodrome ...

Track bikes are among the simplest types of bike available, with no brakes and a single ‘fixed’ gear, meaning that riders cannot ‘freewheel’. Though simple, the bikes are often technically advanced ...