SunRace MFM4S – Megadrive – Freewheel Cassette 7-speed – 13-34 – zinc plated Inexpensive 7-speed freewheel-cassette with zinc plated sprockets and Fluid Drive PLus technology. The large 34-tooth Megadrive sprocket adds a wider range of gears to the sprocket and allows good progress in rangy terrain. material sprockets: steel sprocket finish: zinc plated material spacer: engineering polymers lightweight design 13-34T ratio: 13-15-17-19-21-24-34 Fitting for derailleur: 7-speed Material: sprockes: steel, zinc plated spacers: engineering polymers
