'(Jimmy of the Clue Crew biking up a hill)  When climbing & mountain biking, pick a gear that allows you to keep this between 60 & 90'
RPMs (revolutions per minute)
THE BICYCLE: When climbing & mountain biking, pick a gear that allows you to keep this between 60 & 90
When climbing & mountain biking, pick a gear that allows you to keep this between 60 & 90
When climbing & mountain biking, pick a gear that allows you to keep this between 60 & 90
THE BICYCLE
RPMs revolutions per minute
THE BICYCLE