Shimano mf tz20 6 speed multiple freewheel 14 28 t
Six gears of the tz20 freewheel ensure a smooth transition when shifting up or down the block a reliable 6 speed screw on freewheel engineered for smooth chain movement up or down the block for 6 speed gear systems can be easily installed onto compatible screw on type hub suitable for mountain bikes and a wide range of other cycles
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