Halo is releasing a complete Dynamo wheel range. The range, which consists of 19 wheels, starts at £135 with the White Line Urban Disc Dyno and finishes at £290 with the flagship alloy dyno wheel, the ...

You had probably all but relegated rim dynamos — also known as bottle dynamos — to the history books, but this very neat dynamo from Velogical may make you think twice about their relevance today.

The easiest way to switch to dynamo power is by getting a complete off-the-shelf front wheel. This one is based around Shimano's six-volt, three-watt hub (DH-3N72) laced up with 36 DT Competition ...