title: "I don't see many adults on a bicycle"--Is it time to despair for the human race? Reflections on the gap between the numbers of bicycles owned and the numbers of cyclists.
abstract: OBJECTIVE
  This commentary offers a discussion of the paper by Bauman et al. (2011) published in Preventive Medicine.
  
  
  METHODS
  We discuss the explanations for the findings of the manuscript by Bauman et al. (2011).
  
  
  RESULTS
  We argue that there are social, commercial and environmental drivers of cycling rates and agree that there is an urgent need to take action to promote both cycling and build environments to support cycling.
  
  
  CONCLUSIONS
  The paper by Bauman et al. provides context to help build a better global cycle cultures, involving new partnerships, in a concerted effort to tackle physical inactivity at a worldwide level.
authors.affiliation: British Heart Foundation Health Promotion Research Group, Department of Public Health, University of Oxford, Oxford, UK. charlie.foster@dph.ox.ac.uk
authors.forename: Charlie
authors.initials: C
authors.lastname: Foster
authors.forename: Nick
authors.initials: N
authors.lastname: Cavill
mesh_terms: D001642:Bicycling / Q000706:statistics & numerical data*; D015444:Exercise; D005260:Female; D015438:Health Behavior; D006293:Health Promotion / Q000379:methods*; D006801:Humans; D008297:Male; D009043:Motor Activity; D019876:Sports Equipment / Q000706:statistics & numerical data*