Bosch Electric Bike Lockring (BDU4XX, BDU37YY, BDU31YY). Compatible with: BDU4XX, BDU31YY

Bosch Bike Bdu4xx/bdu37yy/bdu31yy Lock Ring. Ensure your Bosch Smart System e-bike motor performs flawlessly with this genuine Bosch E-Bike Lock Ring. Specifically engineered for BDU4XX, BDU37YY, BDU31YY, and BDU38YY drive units, this essential part provides a secure, precision fit for your chainring. Its robust design guarantees maximum holding force, preventing loosening and ensuring efficient, safe power transfer even under high torque. Maintain optimal performance and longevity for your e-bike by using original Bosch components for all maintenance and upgrades. Experience the confidence of factory-spec reliability. This replacement chainring offers excellent quality and a perfect fit for Bosch Gen5 motors. It´s an original spare part that ensures seamless integration. Buyers note its precise fit, making it ideal for maintenance replacements after multiple disassemblies. Installation requires attention to thread orientation to avoid issues with torque wrenches. Genuine Bosch E-Bike Lock Ring for Smart System (BDU4XX/BDU37YY/BDU31YY/BDU38YY)Ensure the heart of your e-bike performs with factory-spec precision with the genuine Bosch E-Bike Lock Ring, an essential component designed exclusively for the latest generation of Bosch Smart System drive units. This critical part is engineered to maintain the integrity and performance of your motor by providing a secure and reliable connection for your chainring. Whether you are performing essential maintenance, replacing a worn chainring, or upgrading your drivetrain, this original Bosch spare part is the only choice for guaranteeing a perfect fit and uncompromising safety on every ride.The primary benefit of this lock ring is the absolute security it offers. In the high-torque environment of a modern e-bike motor, the connection between the drive unit and the chainring is placed under immense stress. This lock ring is purpose-built to withstand these forces, preventing any loosening or play that could lead to inefficient power transfer, premature wear on the motor´s splines, or a critical failure during a ride. Its precision design ensures that your chainring remains perfectly aligned and firmly seated, delivering smooth, consistent, and safe power transmission from the motor to the wheels.Experience the confidence that comes with using a component that is perfectly integrated into the Bosch ecosystem. As a genuine part, it guarantees seamless compatibility with Bosch Smart System motors, including the BDU4XX, BDU37YY, BDU31YY, and BDU38YY series. This eliminates any guesswork during installation and restores your e-bike´s drive unit to its original factory standard, preserving its operational longevity and maintaining your warranty.Main Features:* System-Specific Engineering: Tailored with absolute precision to meet the exact specifications of the Bosch Smart System, ensuring a flawless interface between the motor and the chainring.* Robust Closure Mechanism: Features a specialized closure design that provides maximum holding force, effectively locking the chainring in place against the powerful torque generated by the drive unit.* Optimized for Performance: Facilitates direct and efficient power transfer, ensuring that the motor´s output is translated into forward motion without energy loss from a loose or misaligned component.* Essential for Maintenance: The definitive spare part for any service involving the chainring or front sprocket, guaranteeing a secure and professional-quality repair.Brand:- Bosch.Category:- E-Bike components.Subcategory:- Drive-unit spare parts.Specifications:-Lock ring - Smart System - BDU4XX, BDU37YY, BDU31YY, BDU38YY. tradeinn Bikeinn

BDU4XX, BDU37YY, BDU31YY, BDU38YY:For mounting the spider with chainring fittedAdditionally required: O-ring 1270016119BDU2XXFor mounting the chainringAdditionally required: O-ring 1270014024