Riders of all ages and abilities will navigate roads around London and Surrey this weekend as part of the UK's largest festival of cycling.
More than 70,000 are expected to get on their bikes for the events at the Prudential RideLondon festival.
The 100 mile London-Surrey, starting at the Olympic Park and finishing on The Mall, is set to be among the highlights.
Up to 20,000 amateur cyclists, including London Mayor Boris Johnson, will be taking part.
More top news
Drinking three to five cups of coffee a day could reduce the risk of clogged arteries and thus heart attacks, a study has found.
There are five million British expats across the globe. Many have a vested interest in May's election and many still have the right to vote.
Abba's Bjorn Ulvaeus has a boyish enthusiasm for the cashless society - and he has a challenge for ITV News viewers.