Box Four 8S Derailleur and Shifter Storage This durable bag is designed

This durable bag is designed with safety in mind

This is 3rd steel gear for Bafang M620 Ultra mid-drive motor

including threaded axle nuts

Venture and Outback Bikes

Compatible with the Trio and Trio V2 models

Box Four 8S Derailleur and Shifter Storage This durable bag is designedBox Four 8 speed wide rear clutch derailleur and Box Four 8 speed shifter bundle. The Box Components rear derailleur boasts a limited slip clutch with instant engagement and constant torque which prevents dropped chains and minimizes chain slap. Highly recommended for any mid drive electric bike and is an excellent upgrade over the traditional Shimano drivetrain.