BOX Two Prime 9 X-Wide Single Shift eBike Groupset


269.95 $ 294.95

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The BOX Two Prime 9 Groupset delivers exceptional 9-speed performance, in a simpler and more cost-effective package than BOX One. This kit includes a rear derailleur with a Tri-Pack Clutch, an 11-50t cassette, shifter with snappy action, and a durable 9-speed chain.

  • BOX's most durable drivetrain
  • Prime 9 rear derailleur features a Tri-Pack clutch (non-adjustable)
  • Derailleur is compatible with standard derailleur hangers (non-direct mount)
  • Cassette is compatible with HG freehub bodies
  • Compatible with most 10,11, and 12-speed wide/narrow chainrings
  • Single shift option is recommended for eBike use
    • Cassette Cogs: 11-13-15-18-22-28-34-42-50