Group Kit Box Two Prime 9 X-Wide/Single Shift E-Bike

The BOX Two Prime 9 Groupset delivers exceptional 9-speed performance, but in a simpler and more cost-effective package than BOX One. This kit includes a rear derailleur with a Tri-Pack Clutch, an 11-50 tooth 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

• Cogs: 11-13-15-18-22-28-34-42-50