The best manufacturing and hardening processes make Connex sprockets for Bosch "new era" series e-bike motors extremely durable. They are ideally suited for the drive systems of the "Performance Line CX", "Performance Line" and "Active Line" The Z14 sprocket combined with the Bosch CX is ideal for the sporty MTB sector. - Designed for E-Bikes - Purpose: derailleur gears - Details: - Pitch: 1/2" (12.7 mm) - Thickness: 2 mm - Type: Sprocket - Material: steel chain - System compatibility: 8-speed.