The World Naked Bike Ride in London has sparked an unusual debate about hygiene after more than half of its 1,000 participants rode on rental bikes. Critics are worried about the potential spread of diseases from bare skin to subsequent users who share the same bike saddles.
The event's organisers, now in their 22nd year in London, aim to raise awareness about cyclists' vulnerability to traffic. But this year's focus has shifted from advocacy to public health concerns as people share online that they feel uneasy sharing bikes that have been ridden by naked individuals.
Experts say the risk of contracting an infection from a bike saddle previously used by someone who was naked is extremely low. However, the controversy highlights growing tensions between public events and the shared economy model of urban transport in cities like London.
Lime, one of London's major e-bike rental companies, has responded to the concerns. A company spokesperson said users should leave bikes as they found them and wear "appropriate clothing" for safety reasons, adding that their bikes are regularly pressure-cleaned with recycled rainwater.
The World Naked Bike Ride has faced controversy before, including a charge of public indecency in Chicago in 2005 and criticism from politicians. But this is the first time hygiene has been a major concern, reflecting the increased importance of cleanliness in the shared bike economy.