Claustrophobia, deafness, and having an abnormally large head are among the reasons cyclists have been excused from wearing a helmet.

Kiwis are being called on to cycle 200km in two days to help raise money for the fight against cancer - with a world champion already in training for the inaugural event.

Martin Johnston straps a camera to his helmet to compile a video diary of the obstacles cyclists face while Mathew Dearnaley asks officials what they plan to do about them.

The New Zealand women's track cycling team will not compete at another major event until the Commonwealth Games in July 2014.

Some people turn to surgery to deal with excess weight, but researchers from Imperial College London may soon be able to plug a smart microchip into the vagus nerve to do the job.

Elisabeth Easther finds timber trails, waterways and mountainsides in the Ruapehu District.

Trucks and bikes aren't a very good combination.

A cyclist hit and killed by a car in east Christchurch yesterday has been named by police.

A male cyclist is in critical condition after being hit by a car in Christchurch this afternoon.

More cycle lanes throughout central Dunedin are likely to be widened by the New Zealand Transport Agency, which also plans to seek consultation on more drastic safety improvements in June or July.

A man watched in horror as his wife was knocked off her bike and under a passing truck as they rode with friends during what should have been a fun weekend away in Taupo.

In London they're making some big changes to the roads, adding two-way segregated cycle tracks along around 25 Km of bike routes.

A delayed concussion from a bike crash at the start of the year has put triathlete Terenzo Bozzone's racing season in doubt.

A woman who complained about the public tributes left for a boy killed when hit by a vehicle two years ago says they should be removed because she does not like having to see them every day.