Conquer the hills with the super-low 34T gear on this MegaRange TZ31 7-speed freewheelA reliable 7-speed screw-on freewheelThe Shimano MegaRange system gives you a super-low 34T gear to help you tackle steep hills with easeEngineered for smooth chain movement up or down the blockFor 7-speed gear systemsCan be easily installed onto compatible screw-on type hubSuitable for mountain bikes and a wide range of other cycles
