Brand new Shimano FreeWheelModel:MF-TZ31 MegaRangeFor 1/8" X 3/32" ChainTeeth:14-34For hubs that take a thread-on freewheelSIS INDEX SHIFTING COMPATIBLE* A reliable 7-speed screw-on freewheel* Hyperglide* The Shimano MegaRange system gives you a super-low 34T gear to help you tackle steep hills with ease* Hyperglide gear sprockets are engineered for smooth chain movement up or down the block* For 7-speed gear systems* Can be easily installed onto compatible screw-on type hub* Suitable for mountain bikes and a wide range of other cyclesPackage include:1 x Freewheel
1 x Freewheel Tool
Note: The package will be sent randomly Model: MF-TZ31 or MF-TZ500 .The functions of the two are the same.(please mind if you buy with caution, thank you)