transport::RacingBike transport::Bicycle racingbike.h void void RacingBike::PedalHarder () PedalHarder PedalHarder PedalHarder makes you go faster (usually). void void RacingBike::RingBell () RingBell RingBell Ring bell on the bike.RingBell rings the bell on the bike. Note that not all bikes have bells. Racing bike class.RacingBike is a special kind of bike which can go much faster on the road, with much less effort (even uphill!). It doesn't make sense to call RingBell on a racing bike for they don't have bells. transport::Bicycle transport::RacingBike transport::Bicycle transport::RacingBike transport::RacingBikePedalHarder transport::RacingBikeRingBell transport::RacingBike~Bicycle