Please see bearing identifier for bearing position.
Bearing will fit the Gen 4 Performance Line CX, Cargo and Speed motors.
Bosch Generation 4 motor BDU4xx.
This bearing supports the left hand side of the Bosch Gen 4 crankshaft. It will fit the Gen 4 Performance Line CX, Cargo and Speed motors.
Bosch Generation 4 motor BDU4xx.
This is a high quality Bosch lockring tool to remove the castellated nut or threaded chain guard from the front sprocket of a Bosch Gen 4 motor.
Generation 4 (Gen 4) covers the Performance Line CX and cargo line from 2020 These motors have a large front sprocket and look like the motor Below.
Bosch Gen 4 Lower Armature Bearing O-ring PLB40529, bearing will fit the Gen 4 Performance Line CX, Cargo and Speed motors. Please see bearing identifier for O-ring position.
Bosch Generation 4 motor BDU4xx.
Please see bearing identifier for bearing position.
Bearing will fit the Gen 4 Performance Line CX, Cargo and Speed motors.
Bosch Generation 4 motor BDU4xx.
Bosch Gen 4 O-ring Gear Shaft Small PLB40531, bearing will fit the Gen 4 Performance Line CX, Cargo and Speed motors. Please see bearing identifier for O-ring position.
Bosch Generation 4 motor BDU4xx.
Bosch Gen 4 O-ring Lefthand Crankshaft PLB40532, bearing will fit the Gen 4 Performance Line CX, Cargo and Speed motors. Please see bearing identifier for O-ring position.
Bosch Generation 4 motor BDU4xx.
This kit contains every bearing that is changeable in the Bosch Gen 4 motor. We don’t usually say this, but we would not recommend you tackle this motor without a lot of specialist tools and a strong mechanical engineering background.
This kit will fit the Gen 4 Performance Line CX, Cargo and Speed motors.
Bosch Generation 4 motor BDU4xx.
This is the bearing that supports the right hand (drive side) of the Bosch Gen 4 crankshaft. It will fit the Gen 4 Performance Line CX, Cargo and Speed motors.
Bosch Generation 4 motor BDU4xx.
BEARING PROTECTION RING SERVICE KIT FOR Gen 4 (BDU4XX) MOTORS
- Used for protecting the outer left and right hand crankshaft bearings.
- 1x Left hand bearing ring seal.
- 2x Circlips.
- 1x Right hand bearing ring seal.
- 1x tube of grease 20g
- 1x lifting-tool
This O-Ring sits between the front chainring (or chainring spider) and the lock nut. The O-ring is not fitted to all bikes, a new one should only be fitted if an old one is removed.
Bosch Generation 4 motor BDU4xx.
Bosch Gen 4 Sprocket Carrier O-rings PLB40530, bearing will fit the Gen 4 Performance Line CX, Cargo and Speed motors. Please see bearing identifier for O-ring position.
Bosch Generation 4 motor BDU4xx.
Please see bearing identifier for bearing position.
Bearing will fit the Gen 4 Performance Line CX, Cargo and Speed motors.
Bosch Generation 4 motor BDU4xx.
Please see bearing identifier for bearing position.
Bearing will fit the Gen 4 Performance Line CX, Cargo and Speed motors.
Bosch Generation 4 motor BDU4xx.
Bosch main motor bearing tool
This tool will ensure that your new main motor bearing will be fitted without damage. The main motor bearing fitted within the Bosch Gen 2 motor is a large bearing with extremely small ball bearings within it. These ball bearings can be very easily damaged when this bearing is fitted. The main motor bearing tool can be used to press the bearing into the motor cover and then support the bearing while the sprocket carrier/boss is pressed into the bearing.
Bosch main motor bearing with fitting tool
This tool will ensure that your new main motor bearing will be fitted without damage. The main motor bearing fitted within the Bosch Gen 2 motor is a large bearing with extremely small ball bearings within it. These ball bearings can be very easily damaged when this bearing is fitted. The main motor bearing tool can be used to press the bearing into the motor cover and then support the bearing while the sprocket carrier/boss is pressed into the bearing.
