Part Number: CSMX80. Manufacturer: SunRace. - High performance 11-speed cassette - 11-13-15-18-21-24-28-32-36-42-50T Cogs - 7075 Largest Sprocket (42T & 50T sprockets and spiders) - Alloy Lockring and Spacers - 6 Sprockets on 2 Alloy Spider Carriers - Standard 10 11 speed freehub - Hi-Ten.
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