The Shimano Tourney MFTZ500 1428T 6spd MTB Cassette is a very well priced quality Shimano freewheel It has lightweight construction lessening the load to drag along with you It is a good beginner allround freewheel suited for mountain bikes to commuters Key Features 1428T 141618212428T 6Speed HGUG Chain Compatible Fits most MTB comfort and trekking bike 309g weight

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