O-ring for e-bike locknut chainring Bosch Active-Line Plus

O ring required for the installation of the locknut for Bosch Active-Line Plus e-bike systems. The O ring is used for a secure installation of chainring spider or tooth lock washer on the electric motor axle.

Details:
O-ring for locknut (product code: 2281960)  
For Active-Line Plus e-bike systems from MY 2018 (3rd generation)