The Direct Mount steel chainring easily transmits the high forces of the first generation of Panasonic e-bike motors.  Standard type 3/32â teeth, suitable for 7-9 speed chains.Compatible with Panasonic e-bike mid-motor from model year 2007. Suitable for the bike brands Flyer, Kalkhoff, Raleigh, Rixe, Kettler etc.High-grade steel material, tried and tested hardening processes, and precision German manufacturing provide this chainring with the strength to meet the demanding requirements of the e-bike drive. The black coating process provides these chainrings with the same outstanding properties as Connex Black Edi chains delivers.