SunRace MFM30 Freewheel Cassette 7-speed - 13-28 - chrome plated

Inexpensive 7-speed freewheel-cassette with chrome plated sprockets and Fluid Drive PLus technology. material sprockets: steel sprocket finish: chrome plated material spacer: engineering polymers lightweight design 13-28T ratio: 13-15-17-19-21-24-28 Fitting for derailleur: 7-speed Material: sprockes: steel spacers: engineering polymers Weight supplement: manufacturer's specs