SERVICE KIT FOR REPAIRS, BLACK (BDU2XX). Spare parts kit for the repair of second generation drive units for eliminating damage to the right hand bottom bracket. Seal, bearing, freewheel drive gear, gear grease, cover screws, bearing pin with rubber collared bush and protective disc, repair instructions. The bearing with bearing protection ring and bearing protection grease is pre-assembled.
The repair can only be carried out by qualified specialist personnel. The drive unit is not allowed to be repaired if any of the following part numbers applies. The drive unit has one of the ...