The Bosch Lockring BDU3XX is a genuine replacement part used to secure the chainring to Bosch BDU3XX mid-drive motors. Engineered for durability and a precise fit, this essential small part ensures optimal drivetrain performance and long-term reliability on compatible ebike systems.

FEATURES

FEATURES:

• Lockring for Bosch BDU3XX mid-drive motor systems
• Secures chainring for stable drivetrain operation
• Precision-machined for a reliable fit
• Compatible with Bosch Active Line Plus and other BDU3XX-based systems
• Genuine Bosch small part for ebike maintenance
• Designed specifically for ebike use