BLACKBEARING E-BIKE Full Service Kit – Bosch Generation 4 (EM-026-BOSCH)
The BlackBearing E-Bike Full Service Kit Bosch Generation 4 EM-026-BOSCH is a complete service and maintenance bearing kit designed for Bosch Generation 4 e-bike drive units. It includes all necessary bearings, needle bearings, and seals required for a full overhaul of the motor system.
This kit is intended for professional servicing to restore smooth operation, reduce friction, and extend the lifespan of the Bosch Gen 4 drive unit.
Kit Contents (components)
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EM-038-BOSCH – Seal (Position 12, Gen 4)
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EM-037-BOSCH – Seal (Position 11, Gen 4)
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EM-036-BOSCH – Seal (Position 10, Gen 4)
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EM-035-BOSCH – Seal (Position 9, Gen 4)
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EM-032-BOSCH – Bosch bearing (Position 6, Gen 4)
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EM-034-BOSCH – Bosch bearing (Position 8, Gen 4)
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EM-039-BOSCH – Bosch bearing (Position 13, Gen 4)
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EM-033-BOSCH – Bosch bearing (Position 7, Gen 4)
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EM-031-BOSCH – Bosch bearing (Position 5, Gen 4)
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EM-029-BOSCH – Bosch bearing (Position 3, Gen 4)
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EM-027-BOSCH – Needle bearing (Position 1, Gen 4)
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EM-028-BOSCH – Needle bearing (Position 2, Gen 4)
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EM-030-BOSCH – Freewheel bearing (Position 4, Gen 4)
Key Features
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Complete overhaul kit for Bosch Gen 4 e-bike motors
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Includes bearings, needle bearings, freewheel components, and seals
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Designed for full internal motor service
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Restores smooth rotation and drivetrain efficiency
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Reduces friction and wear
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Professional-grade maintenance solution
In practice
This kit is used for complete servicing of Bosch Gen 4 e-bike drive systems, replacing worn internal bearings and seals. It helps restore factory-level smoothness, reliability, and efficiency of the motor unit, especially in high-mileage e-bikes.
