Small O-ring to fit the left hand side of the Bosch Gen 3 crankshaft.

Bosch Generation 3 motor BDU3xx (NOTE: Large chainring)

This is a genuine Bosch lockring tool to remove the castellated nut or threaded chain guard from the front sprocket of a Bosch Gen 3 motor.

Generation 3 (Gen 3) covers Active Line, Active Line Plus and Performance Line from 2018. These motors have a large front sprocket and look like the motor Below.

Large O-ring to fit the right hand side of the Bosch Gen 3 crankshaft sprocket carrier.

Bosch Generation 3 motor BDU3xx (NOTE: Large chainring)

Bosch long life tacky grease for any externally fitted seal or bearing cover. This is an excellent product to greatly increase the life and water integrity of your ebike motor.

This grease should be checked and re-applied on a regular basis depending on your local weather conditions, riding terrain, bike cleaning habits etc.

This grease should NOT be used inside the motor!

Bosch drive unit grease for gears and bearings within the motor. This grease should be used for overhauls or re-greasing Bosch Performance Line motors.

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