



Bosch Lock Ring
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Product Details
Bosch Lockrings – For Bosch-Powered Electric Bikes
Ensure a secure and reliable fit for your Bosch eBike drivetrain with genuine Bosch lockrings, engineered to firmly hold your chainring in place. Designed specifically for Bosch-powered electric bikes, these precision-machined alloy lockrings are essential for proper chainring installation and optimal drivetrain performance.
Whether you're performing routine maintenance or replacing components, using the correct Bosch lockring ensures smooth operation and long-term reliability.
Key Features:
- Secure Fit: Locks the sprocket firmly to the Bosch motor, preventing movement and maintaining consistent power transfer.
- Durable Construction: Made from high-quality alloy for strength and dependable performance in all riding conditions.
- Correct Installation Required: Must be installed using a Bosch Lock Ring Tool and torqued to the setting marked on the lockring.
- O-Ring Seal Maintenance: Always replace the lock ring O-ring seal with each installation or removal to preserve a tight, weather-resistant seal.
- Easy Part Matching: The correct Bosch lockring part number is printed on your existing chainring, simply match that number using the dropdown menu above to ensure proper fitment.
Compatibility:
- Available for various Bosch motor generations including Gen 2, Gen 3, and Gen 4 etc...
- Designed exclusively for Bosch eBike systems and not compatible with non-Bosch motors.
Note: If you’re unsure of your motor generation, refer to your Bosch system documentation or consult a certified Bosch eBike technician.
Keep your Bosch eBike running at peak performance with the right lockring—an essential component for every drivetrain service.

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