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Code: 50306-MZ
SunRace MZ91X Cassette - 12 Speed
  • 12 speed wide ratio
  • XD Driver body
  • Gear Combination: 10-12-14-16-18-21-24-28-32-36-42-50
  • A7075 42T-50T
  • Alloy spiders, lockring & spacers
  • 6061 lockring
  • 10-50T
  • Weight: 560g