Steel rings with polymer spacers 433g SHIMANO Equivalent MF-TZ21 / MF-TZ20 14-28t 7sp Silver
Steel rings with polymer spacers 504g 13-34t 7sp Chrome
Designed for friction shifters Steel SHIMANO Equivalent MF-TZ21 / MF-TZ20 14-28t 7sp Black
Steel rings with polymer spacers Zinc finish 460 g SHIMANO Equivalent MF-HG37 / MF-TZ37 13-25t 7sp Chrome
Steel rings with polymer spacers Zinc finish 460 g SHIMANO Equivalent MF-HG37 / MF-TZ37 13-28t 7sp Silver
Steel rings with polymer spacers Zinc finish 460 g SHIMANO Equivalent MF-HG37 / MF-TZ37 14-34t 7sp Silver/Black