A handlebar extension for a bicycle handlebar includes an armrest portion and an elongate forward portion which is integral with, and extends away from the armrest portion. The handlebar extension is configured such that the armrest portion may be attached to the handlebar of a bicycle with the elongate forward portion extending forwardly away from the handlebar, supported by the armrest portion. A bicycle having a handlebar and a pair of handlebar extensions mounted to the handlebar is also provided.