This kit contains a stainless steel shield washer and a thinner 1.5mm circlip to replace the original 2mm clip.

The left hand crankshaft bearing should be covered with Bosch Long Life “Tacky” Grease then the shield washer placed over the outer bearing seal. The grease should be checked from time to time, depending on your riding terrain, bike cleaning habits, weather conditions etc.

Generation 2 motor BDU2xx (NOTE: Small chainring)