Box Four 8S Derailleur and Shifter
Box 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.
Box 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.
Description
Box 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.
