SunRace CSMZ90 11-50T 12 Speed Sun Race Wide Ratio Mountain Bike Cassette Silver SunRace CSMZ90 11-50T 12 Speed Sun Race Wide Ratio Mountain Bike Cassette Silver

- High performance 12-speed cassette  - 11-13-15-17-19-21-24-28-32-36-42-50T Cogs  - 7075 Alloy 42T-50T Sprocket  - Alloy Spiders, Lockring & Spacers - Standard 11 speed Shimano freehub  - Chain Compatibility: 12 speed...

- High performance 12-speed cassette  - 11-13-15-17-19-21-24-28-32-36-42-50T Cogs  - 7075 Alloy 42T-50T Sprocket  - Alloy Spiders, Lockring & Spacers - Standard 11 speed Shimano freehub  - Chain Compatibility: 12 speed...