In the interests of safety, the Bermuda Bicycle Association (BBA) imposes gearing
restrictions for junior riders in all events organized by the BBA and apply for all
Restrictions are established for the maximum roll-out - that is the distance traveled
by the bicycle with one complete rotation of the pedals when the largest front chain
ring and smallest rear cog are engaged.
While the maximum roll-out is a factor of wheel size and front to rear gear ratio,
the restriction is defined by the roll-out distance and not by cog size.