The Bosch O-Ring for mounting the chainring is a vital service component designed to ensure a secure and precise fit of the chainring to Bosch e-bike motor systems. This high-quality O-ring provides an effective seal, preventing dust and moisture from affecting the drivetrain while maintaining the integrity of the mounting system.Manufactured from durable, wear-resistant rubber, the O-ring helps reduce vibrations and ensures smooth power transfer from the motor to the drivetrain. It is an essential part of routine e-bike maintenance and is compatible with various Bosch motor systems.

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