The brompton m6r 2017 folding bike is the original folding bike using bromptons m type handlebar the m type is bromptons first and original handlebar and 6 gears using the brompton wide range hub gear bwr which is made exclusively for brompton by sturmey archer with the practicality of 6 gears at your beck and call any rider can travel greater distances on their commute or weekend adventure without the worry of running out of gears the m6r comes equipped with brompton mudguards rack