From May 2018, Cardiff will see the introduction of 250 bikes across 25 docking stations in the city.
The scheme, to be run by nextbike, will then double in 2019 where 500 bikes will be available across 50 stations in the city.
The company provides over 120 international schemes, including in Bath, where the scheme was launched in 2014. The bikes are also operated in Milton Keynes, Exeter, Belfast, Edinburgh and the University of Warwick.