Chinese consumers have recently been enticed to purchase electric bicycles by the Czech President Václav Klaus, who appeared on billboards in the Chinese city of Ningbo. The ad, spotted by a Czech reader of the news website iDnes.cz, shows the Czech president happily riding an electric bicycle. The picture was apparently taken two years ago when President Klaus was given an electric bike by the Czech branch of the Chinese producer and decided to try it out. The Czech president had sent a signed photograph of the test run to the Chinese company, which it used for its latest ad campaign. The office of the president said on Tuesday that he knew nothing about the billboards and was not asked for consent to use his picture.