Bosch O-Ring seal. Fits the Bosch Performance and Active electric bike systems including Active Line, Performance Line, Performance Line CX
User’s Manuals for Bosch Electric Bike Motor Systems
Bosch Performance Line User’s Manual
Bosch Performance Line Speed User’s Manual
Bosch Active Line BDU2XX User’s Manual
Bosch Active Line BDU3XX User’s Manual
Bosch Active Line Plus User’s Manual