The brompton h3l 2017 folding bike features bromptons h type handlebar the h type is for the rider that likes to sit in a more upright riding position a 3 speed bsr hub the brompton standard range hub is an updated version of the original sturmey archer hub used on their very first bikes bromptons are as simple and user friendly as they come using their patented folding mechanism no folding bike can fold as fast and as compact as a brompton canthe h3l comes equipped with brompton mudgu