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BOX Two Prime 9 Cassette - 9-Speed, 11-50t, Black

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The BOX Two Prime 9 Cassette delivers long service life and extra range. All cogs are stamped from steel and the larger ones are pinned to alloy spiders.

  • Cogs pinned to lightweight spiders
  • Ultra-wide ratio with consistent progression
  • Prime 9 technology
  • Compatible with HG freehub bodies